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Статті в журналах з теми "Dumitresco"

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Автор: Grafiati

Опубліковано: 27 липня 2024

Оновлено: 28 липня 2024

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1

Dimitrijevic, R. N., B. P. M. Curcic, S. B. Curcic, S. E. Makarov, Viktorija Ilie, and A. Djurdjinka. "On new and little-known pseudoscorpions (Pseudoscorpiones, Arachnida) from the Romanian Carpathians." Archives of Biological Sciences 60, no. 1 (2008): 117–26. http://dx.doi.org/10.2298/abs0801117d.

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We studied pseudoscorpions of the genera Roncus L. Koch, 1873 and Acanthocreagris Mahnert, 1976 (Neobisiidae) from some caves in Romania. One new species - Roncus zburatorul n. sp. - is described; supplementary descriptions of the hitherto unknown male of R. ciobanmos Curcic, Poinar, and Sarbu, 1993 and a second female of A. callaticola (Dumitresco and Orghidan, 1964) are also presented. The specimens studied are thoroughly described and illustrated. Taxonomic interrelationships and geographic distribution are briefly discussed.

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2

Salvatierra, Lidianne, and Ana Lúcia Tourinho. "The integumentary ultrastructure of Cryptocellus bordoni Dumitresco and Jurvara-Bals, 1976 (Arachnida, Ricinulei)." Micron 81 (February 2016): 48–66. http://dx.doi.org/10.1016/j.micron.2015.10.003.

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3

OTT, RICARDO, DARRELL UBICK, ALEXANDRE B. BONALDO, ANTONIO D. BRESCOVIT, and MARK S. HARVEY. "A revision of the new world goblin spider genus Cinetomorpha Simon, 1892 revalidated from Gamasomorpha Karsch, 1881 (Araneae, Oonopidae, Oonopinae)." Zootaxa 4641, no. 1 (July 19, 2019): 1–152. http://dx.doi.org/10.11646/zootaxa.4641.1.1.

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The goblin spider genus Cinetomorpha Simon is removed from the synonymy of Gamasomorpha Karsch and treated as the senior synonym of Yumates Chamberlin and Lucetia Dumitresco & Georgesco. All 41 species occur only in the New World, and the genus is divided into four species groups: the simplex group, the puberula group, the patquiana group and the itabaiana group. The following species are transferred to Cinetomorpha: C. floridana (Banks), comb. nov., and C. sedata (Gertsch & Mulaik), comb. nov., from Opopaea; C. angela (Chamberlin), comb. nov., and C. nesophila (Chamberlin), comb. nov., from Yumates; and C. patquiana (Birabén) and C. platensis (Birabén), comb. nov., from Gamasomorpha. Gamasomorpha wasmanniae Mello-Leitão and Lucetia distincta Dumitresco & Georgesco are newly synonymized with C. simplex Simon. Two species currently in Gamasomorpha are transferred to Hexapopha Platnick & Berniker: H. brasiliana (Bristowe), comb. nov. and H. m-scripta (Birabén), comb. nov. The following 31 species are newly described: C. adaga Ott & Bonaldo (Brazil, Colombia, Ecuador and Peru); C. atlantica Ott & Brescovit (Brazil); C. baja Ott & Ubick (Mexico); C. bandolera Ott & Harvey (Mexico & USA); C. boraceia Ott & Brescovit (Argentina and Brazil); C. campana Ott & Harvey (Chile); C. central Ott & Brescovit (Brazil); C. chicote Ott & Bonaldo (Brazil, Colombia, Ecuador and Peru); C. concepcion Ott & Harvey (Chile); C. iguazu Ott & Brescovit (Argentina and Brazil); C. itabaiana Ott & Brescovit (Brazil); C. laguna Ott & Ubick (Mexico); C. lavras Ott & Brescovit (Brazil); C. longisetosa Ott & Harvey (Costa Rica and Brazil); C. lorenzo Ott & Harvey (Guatemala); C. loreto Ott & Bonaldo (Peru); C. nayarit Ott & Harvey (Mexico); C. orellana Ott & Bonaldo (Ecuador); C. pauferro Ott & Brescovit (Brazil); C. peluda Ott & Harvey (Chile); C. pinheiral Ott & Brescovit (Brazil); C. pocone Ott & Brescovit (Brazil); C. punctata Ott & Brescovit (Brazil); C. quillota Ott & Harvey (Chile); C. rinconada Ott & Harvey (Chile); C. santamaria Ott & Brescovit (Argentina); C. similis Ott & Brescovit (Brazil); C. sternalis Ott & Bonaldo (Brazil); C. sur Ott & Ubick (Mexico); C. waorani Ott & Bonaldo (Ecuador); and C. zero Ott & Harvey (Mexico to Venezuela).

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4

ARMAS, LUIS F. DE, RENÉ BARBA DÍAZ, and AYLÍN ALEGRE BARROSO. "Redescription of the monotypic genus Cubacanthozomus (Schizomida: Hubbardiidae) and conservation status of its type-species." Zootaxa 4323, no. 4 (September 25, 2017): 534. http://dx.doi.org/10.11646/zootaxa.4323.4.6.

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Some of the taxonomic characters originally argued for the Cuban monotypic genus Cubacanthozomus Teruel, 2007, are unsubstantial. Others were misinterpretations of drawings given in the original description of Schizomus rowlandi Dumitresco, 1973, the only source of taxonomic information on which Teruel (2007) based the new genus. Recently a new collection of this species was made in a small cave about 350 m from one of the caves mentioned in the original description: Cueva de Majana, Baracoa municipality, Guantánamo province. On the basis of new morphological evidence found during examination of two females and a male, both the genus Cubacanthozomus and its type-species are herein redescribed. Cueva de Majana is recognized as the true type locality of C. rowlandi, which male holotype was erroneously listed as being collected in a cave from central Cuba, 600 km away. Additional data are provided on the morphology, natural history and conservation status of C. rowlandi, which is now being proposed as an endangered species.

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5

Foster, David William. "Prepared by Domnita Dumitrescu." Hispania 104, no. 1 (2021): 119–20. http://dx.doi.org/10.1353/hpn.2021.0015.

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6

Klemes, Vit. "Hydrology prize to Dumitrescu and Nemec." Eos, Transactions American Geophysical Union 70, no. 3 (1989): 34. http://dx.doi.org/10.1029/89eo00013.

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7

García, Carmen. "Dumitrescu, Domnita (2011). Aspects of Spanish Pragmatics." Pragmática Sociocultural / Sociocultural Pragmatics 2, no. 2 (November 1, 2014): 331–34. http://dx.doi.org/10.1515/soprag-2014-0019.

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8

Vázquez Laslop, María Eugenia. "Crítica de Dumitrescu (2011): Aspects of Spanish Pragmatics." Spanish in Context 11, no. 1 (May 12, 2014): 145–50. http://dx.doi.org/10.1075/sic.11.1.07vaz.

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9

Săftoiu, Răzvan. "Review of Dumitrescu (2011): Aspects of Spanish Pragmatics." Language and Dialogue 2, no. 2 (August 13, 2012): 306–12. http://dx.doi.org/10.1075/ld.2.2.08saf.

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10

ur Rehman, Shafiq. "A finiteness condition on the set of overrings of some classes of integral domains." Journal of Algebra and Its Applications 17, no. 03 (February 5, 2018): 1850053. http://dx.doi.org/10.1142/s0219498818500536.

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Анотація:

As an extension of the class of Dedekind domains, we have introduced and studied the class of multiplicatively pinched-Dedekind domains (MPD domains) and the class of Globalized multiplicatively pinched-Dedekind domains (GMPD domains) ([T. Dumitrescu and S. U. Rahman, A class of pinched domains, Bull. Math. Soc. Sci. Math. Roumanie 52 (2009) 41–55] and [T. Dumitrescu and S. U. Rahman, A class of pinched domains II, Comm. Algebra 39 (2011) 1394–1403]). The main interest of this paper is to study GMPD domains that have only finitely many overrings.

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11

Degeratu, Gabriel Ion. "GENERALS DE GAULLE, DUMITRESCU AND HERUVIM, GRADUATES OF SAINT-CYR." STRATEGIES XXI - Security and Defense Faculty 17, no. 1 (November 9, 2021): 194–201. http://dx.doi.org/10.53477/2668-2001-21-23.

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A very important Romanian historical event took place on 14 May 1968 when General Charles de Gaulle, the president of The French Fifth Republic, visited Bucharest, an initiative stemming from this visionary head of state’s idea of a unified Europe stretching “from the Atlantic to the Urals’. Have you heard of Romanian generals Polihron Dumitrescu and Ioan Heruvim? Charles de Gaulle’s visit proved quite difficult to manage for the communist regime, one of the difficulties being the French general’s meeting with these two generals, former classmates from the Special Military School of Saint-Cyr. His itinerary included the cities of Craiova and Târgoviște because of these expectedly emotional meetings with Dumitrescu and Heruvim, the former having been de Gaulle’s class president, and the latter one of its most brilliant students, and the city of Cetatea Băniei where the French general performed an official military salute.

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12

Kacemi, Tarek, and Sallahuddin Hassan. "Causal Linkage between Inflation and Unemployment: An evidence from the Selected MENA Countries." Pakistan Journal of Humanities and Social Sciences 6, no. 1 (March 31, 2018): 121–31. http://dx.doi.org/10.52131/pjhss.2018.0601.0037.

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Анотація:

The current study measures the causal association between inflation and unemployment employing Phillips Curve approach from 1990 until 2016 for selected MENA countries. Granger causality and the heterogeneous causality methods for Panel are employed by this study as proposed by Dumitrescu and Hurlin. This causality test has an advantage over the panel Granger causality as it considers two dimensions of heterogeneity. The finding revealed a unidirectional causality between unemployment and inflation with Panel Dumitrescu and Hurlin Granger causality but not in the panel Granger causality test. Therefore, the governments should choose to stabilize inflation rate or reduce unemployment rate.

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13

Yılmaz Özekenci, Süreyya. "Ekonomik Politika Belirsizliği Endeksi İle Borsa Endeksleri Arasındaki İlişkinin İncelenmesi: OECD Ülkeleri Örneği." Maliye Finans Yazıları, no. 121 (April 15, 2024): 217–34. http://dx.doi.org/10.33203/mfy.1386682.

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Çalışmanın amacı, ekonomik politika belirsizliği endeksi ile OECD ülkelerinin borsa endeksleri arasındaki nedensellik ilişkisini Şubat 2008-Eylül 2022 dönemine ait aylık veriler kullanarak Dumitrescu ve Hurlin (2012) panel nedensellik testi aracılığıyla araştırmaktır. Dumitrescu ve Hurlin (2012) panel nedensellik test sonucuna göre; borsa endeksinden ekonomik politika belirsizlik endeksine doğru nedenselliğin Avustralya, Kanada, Kolombiya, İsveç, İtalya, Japonya ve Şili için geçerli olduğu tespit edilirken; ekonomik politika belirsizlik endeksinden borsa endeksine doğru nedenselliğin ise Avustralya, Şili, Fransa, Almanya, Yunanistan, İrlanda, Japonya ve İspanya için geçerli olduğu tespit edilmiştir. Ayrıca Avustralya, Şili ve Japonya için bu ilişki çift yönlü olduğu tespit edilmiştir.

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14

Silviu, Mihaila. "ZOE DUMITRESCUBUȘULENGA AND THE IDENTITARY INTERFERENCES OF THE RELIGIOUS IMAGINARY IN MIHAI EMINESCU’S LITERARY WORK." Incursions into the Imaginary 8, no. 1 (November 10, 2017): 211–31. http://dx.doi.org/10.29302/inimag.2017.8.9.

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15

Kirikkaleli, Dervis, Abderrahmane Sokri, Mehmet Candemir, and Hasan Murat Ertugrul. "PANEL COINTEGRATION: LONG-RUN RELATIONSHIP BETWEEN INTERNET, ELECTRICITY CONSUMPTION AND ECONOMIC GROWTH. EVIDENCE FROM OECD COUNTRIES." Investigación Económica 77, no. 303 (April 5, 2018): 161. http://dx.doi.org/10.22201/fe.01851667p.2018.303.64158.

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<p>The linkage between electricity consumption, internet demand and economic growth is aimed to investigate in this study in 35 OECD countries for the period 1993-2014. Panel cointegration, Fully Modified Ordinary Least Squares (FMOLS), Dynamic Ordinary Least Squares (DOLS) and Dumitrescu-Hurlin causality tests were performed to capture the potential long-run and causal linkages among the three variables. The findings from the FMOLS and DOLS models indicate a positive linkage between electricity, internet demand and economic growth in the long-run. Results from the Dumitrescu-Hurlin causality confirm feedback causality between electricity consumption and internet demand and unilateral causality running from economic growth to electricity consumption.</p>

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16

ÇELİK, Mehmet Yunus, and Züleyha ÜNSÜR. "Küreselleşme ve Büyüme İlişkisinin Dumitrescu-Hurlin Panel Nedensellik Testi İle Belirlenmesi." İzmir İktisat Dergisi 35, no. 1 (March 31, 2020): 201–10. http://dx.doi.org/10.24988/ije.202035115.

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17

Waite, Greg. "The Experience of Education in Anglo-Saxon Literature by Irina Dumitrescu." Parergon 36, no. 1 (2019): 197–98. http://dx.doi.org/10.1353/pgn.2019.0018.

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18

BAYRAKTAR, Yüksel, Necip DÜNDAR, and Ayfer ÖZYILMAZ. "The Relationship between R&D Expenditures and Economic Growth in BRICS-T Countries." Eskişehir Osmangazi Üniversitesi İktisadi ve İdari Bilimler Dergisi 17, no. 3 (December 1, 2022): 893–910. http://dx.doi.org/10.17153/oguiibf.1151022.

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Анотація:

R&D, which is one of the main determinants of technological development, has a critical role in determining the development differences between countries. The fact that developing countries as well as developed countries start to allocate more funds to R&D expenditures causes the literature on this subject to remain up-to-date. The aim of this study is to examine the relationship between R&D expenditures and growth in the period of 2000-2018 in Brazil, Russia, India, China, South Africa, and Turkiye (BRICS-T). In this context, Dumitrescu-Hurlin’s (2012) causality test, Impulse-Response and Variance Decomposition analyzes are used together with the panel VAR approach. According to Dumitrescu-Hurlin (2012) causality test, there is a bidirectional causality relationship between R&D expenditures and growth in BRICS-T countries.

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19

KÜÇÜKSAKARYA, Sevilay. "Causality test among foreign direct investment, trade openness and economic growth: recent evidence from BRICS and MINT countries." Business & Management Studies: An International Journal 10, no. 4 (December 25, 2022): 1416–24. http://dx.doi.org/10.15295/bmij.v10i4.2161.

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Анотація:

This study attempts to find new evidence of causality between foreign direct investment, trade openness, and economic growth for BRICS and MINT countries between 1990-2021 using the Dumitrescu-Hurlin panel causality test. We first check whether there is a cross-sectional dependence between the countries using different cross-sectional dependence tests. After we find out there is cross-sectional dependence, we perform the CIPS unit root test. All variables are stationary at their first differences, so we applied the Dumitrescu-Hurlin panel causality test. There is bi-directional causality between trade openness and economic growth only for MINT countries. For BRICS, we found unidirectional relationships between economic growth and foreign direct investment and trade openness to economic growth. There is a unidirectional relationship from trade openness to foreign direct investment for both country groups.

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20

Gianina Dumitrescu, Ramona, and Bita Nakhai. "PEER REVIEW PROCESS OF CAREER DEVELOPMENT AWARDS (K) APPLICATIONS AT NIA." Innovation in Aging 7, Supplement_1 (December 1, 2023): 201. http://dx.doi.org/10.1093/geroni/igad104.0663.

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Анотація:

Abstract In this presentation, Dr. Dumitrescu will take you behind the scenes of what occurs in a peer review meeting of career development award (K) applications at NIA. Some of the mechanics of the peer review process will be discussed, including composition of study groups, general timelines, and how the results of the peer review process are communicated to applicants via Summary Statements. Attendees will understand how reviewers evaluate the 5 core domains that generate a final impact score, including the: 1) candidate’s qualifications; 2) the career development plan and career goals & objectives; 3) research plan; 4) mentor(s), collaborators & consultants; and 5) institutional environment & commitment to the candidate. Dr. Dumitrescu will help to de-mystify the peer review process in order help applicants leverage their respective applications for maximum success.

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21

Bnrescu, Petru M., R�diger Bless, and Adrian Georgescu. "Threatened fishes of the world:Romanichthys valsanicola Dumitrescu, Bnrescu and Stoica, 1957 (Percidae)." Environmental Biology of Fishes 43, no. 2 (June 1995): 144. http://dx.doi.org/10.1007/bf00002482.

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22

Romila, Marius. "Review of the Book „Dante, Freud and Dalí: What They Might Have in Common? Psychoanalytic Reflections on Dante’s Inferno”, author: Marius Dumitrescu, Lumen Publishing." Logos Universality Mentality Education Novelty: Philosophy & Humanistic Sciences 10, no. 1 (August 31, 2022): 74–79. http://dx.doi.org/10.18662/lumenphs/10.1/66.

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Анотація:

This paper is a review of the book „Dante, Freud and Dalí: What They Might Have in Common? Psychoanalytic Reflections on Dante’s Inferno”, authored by PhD professor Marius Dumitrescu, publiahed by Lumen Publishing House from Iasi, Romania, in 2022.

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23

DUMITRESCU, SORINEL. "Note on the paper “An improvement of Batir’s asymptotic formula and some estimates related to the gamma function”." Creative Mathematics and Informatics 28, no. 2 (June 19, 2019): 222. http://dx.doi.org/10.37193/cmi.2019.02.14.

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The aim of this note is to correct a result given in [Cristea, V. C. and Dumitrescu, S., An improvement of Batir’s asymptotic formula and some estimates related to the gamma function, Creat. Math. Inform., 25 (2016), No. 2 165–173].

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24

SANTOS-SOPENA, Óscar. "SANTOS-SOPENA, Óscar O. El español en los Estados Unidos." TRANSFER 10, no. 1-2 (January 27, 2017): 126–30. http://dx.doi.org/10.1344/transfer.2015.10.126-130.

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SANTOS-SOPENA, Óscar O. El español en los Estados Unidos; reseña del libro: Domnita Dumitrescu & Gerardo Piña-Rosales (eds.) (2013). El español en los Estados Unidos: E Pluribus Unum? Enfoques multidisciplinarios. Nueva York: Academia Norteame-ricana de la Lengua Española, 390 páginas.

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25

Börke Tunalı, Çiğdem, and Naci Tolga Saruç. "An Empirical Analysis on the Relationship between Health Care Expenditures and Economic Growth in the European Union Countries." European Journal of Medicine and Natural Sciences 2, no. 1 (March 2, 2018): 12. http://dx.doi.org/10.26417/ejmn.v2i1.p12-17.

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This paper empirically investigates the relationship between health expenditure and economic growth in the European Union countries over the period 1995-2014. By using the Dumitrescu-Hurlin Test (Dumitrescu and Hurlin, 2012) which is developed to test Granger causality in panel datasets (Lopez and Weber, 2017), it is found that there is a unidirectional relationship between these variables and gross domestic product (GDP) per capita Granger causes health expenditure per capita. After determining the direction of the relationship between health expenditure per capita and GDP per capita we estimate the short run and the long run effects of GDP per capita on health expenditure per capita by using Mean Group (MG) and Pooled Mean Group (PMG) estimators which are developed by Pesaran and Smith (1995) and Pesaran, Shin and Smith (1999) respectively. According to the estimation results, GDP per capita has a positive effect on health expenditure per capita both in the short run and the long run.

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26

Börke Tunalı, Çiğdem, and Naci Tolga Saruç. "An Empirical Analysis on the Relationship between Health Care Expenditures and Economic Growth in the European Union Countries." European Journal of Medicine and Natural Sciences 4, no. 2 (October 15, 2021): 11. http://dx.doi.org/10.26417/682jde51h.

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Анотація:

This paper empirically investigates the relationship between health expenditure and economic growth in the European Union countries over the period 1995-2014. By using the Dumitrescu-Hurlin Test (Dumitrescu and Hurlin, 2012) which is developed to test Granger causality in panel datasets (Lopez and Weber, 2017), it is found that there is a unidirectional relationship between these variables and gross domestic product (GDP) per capita Granger causes health expenditure per capita. After determining the direction of the relationship between health expenditure per capita and GDP per capita we estimate the short run and the long run effects of GDP per capita on health expenditure per capita by using Mean Group (MG) and Pooled Mean Group (PMG) estimators which are developed by Pesaran and Smith (1995) and Pesaran, Shin and Smith (1999) respectively. According to the estimation results, GDP per capita has a positive effect on health expenditure per capita both in the short run and the long run.

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27

Sofía Gutiérrez Böhmer, Reseñado por. "Domnita Dumitrescu Patricia Lorena Andueza Editoras: L2 Spanish Pragmatics. From Research to Teaching." Pragmática Sociocultural / Sociocultural Pragmatics 6, no. 2 (December 19, 2018): 223–29. http://dx.doi.org/10.1515/soprag-2018-0016.

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28

Yüksel, Serhat. "The Impacts of Research and Development Expenses on Export and Economic Growth." International Business and Accounting Research Journal 1, no. 1 (February 1, 2017): 1. http://dx.doi.org/10.15294/ibarj.v1i1.1.

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Анотація:

The purpose of this study is to identify the effects of research and development expenses on export and economic growth. Within this scope, annual data of 28 European Union member countries for the periods between 1996 and 2014 was taken into the consideration. Additionally, Dumitrescu Hurlin panel causality analysis was used in this study to achieve this objective. First of all, Im, Pesaran and Shin and Levin, Lin & Chu panel unit root tests were used to understand whether the variables are stationary or not. As a result of these tests, it was defined that the variable of economic growth is stationary whereas other two variables (export and R&D) are not. According to the results of Dumitrescu Hurlin causality analysis, it was determined that there is not a significant relationship between economic growth and R&D. On the other hand, it was concluded that there is a causality relationship from export to R&D expenses. This situation shows that EU member countries, which have higher export amount, give more importance to R&D in order to improve themselves.

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29

Kapingura, Forget Mingiri, and Kazeem Abimbola Sanusi. "Infrastructural development and trade performance in Sub-Saharan African countries." International Journal of Applied Economics, Finance and Accounting 18, no. 1 (January 18, 2024): 192–99. http://dx.doi.org/10.33094/ijaefa.v18i1.1352.

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Анотація:

This study investigates the impacts of infrastructural development on trade performance in 30 sub-Saharan African economies using panel data from 2000 to 2020. The study employs the Generalized Method of Moments (GMM) dynamic pooling estimator and Dumitrescu–Hurlin (DH) panel causality tests. The empirical evidence suggests that both transport and ICT infrastructure have significant and positive effects on trade performance in sub-Saharan African countries. It has been found that trade performance is not significantly impacted by the relationship between economic growth and infrastructure development. This underscores the slow pace of economic growth in the region. The Dumitrescu–Hurlin (DH) panel causality tests establish evidence of unidirectional causality from each proxy of infrastructural development to trade performance and not vice versa. The study concludes that the sub-Saharan African government must purposefully invest in infrastructural development as a means to improve trade activity in the region. It is imperative to actively seek effective policies and a favourable macro environment to promote the necessary economic growth in order to fully realise the advantages and incentives of infrastructure investments.

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30

Khalid, Waseem, and Shafiq Ur Rehman. "Almost Condensed Domains." Analele Universitatii "Ovidius" Constanta - Seria Matematica 21, no. 1 (March 1, 2013): 143–52. http://dx.doi.org/10.2478/auom-2013-0008.

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Abstract As an extension of the class of half condensed domains introduced by D.D. Anderson and Dumitrescu, we introduce and study the class of almost condensed domains. An integral domain D is almost condensed if whenever 0≠ z ∈ IJ with I; J ideals of D, there exist I′ ; J′ ideals of D such that I′ ⊆ Iw, J′ ⊆ Jw and zD = (I′ J′ )w.

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Navarro-Chávez, César Lenin, Francisco Javier Ayvar-Campos, and Celeste Camacho-Cortez. "Tourism, Economic Growth, and Environmental Pollution in APEC Economies, 1995–2020: An Econometric Analysis of the Kuznets Hypothesis." Economies 11, no. 10 (October 23, 2023): 264. http://dx.doi.org/10.3390/economies11100264.

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Tourism plays an important role in fostering economic growth within the Asia-Pacific Economic Cooperation (APEC) forum member countries. Nevertheless, the development of this sector has resulted in significant depletion of natural resources and pollution. This research aims to determine the relationship between tourism, economic growth, and environmental pollution in both developing and developed APEC economies from 1995 to 2020. By adopting the Environmental Kuznets Curve (EKC) framework, two dynamic panel data models are estimated employing Dynamic Ordinary Least Squares (DOLS), and causal relationships are established using the Dumitrescu–Hurlin test. The results indicate that tourism and economic growth have had a positive influence on the rise of environmental pollution in both groups of economies during the specified period. This research offers new insights by analyzing twelve developing and nine developed APEC economies over a span of 25 years, estimating two DOLS models, conducting Dumitrescu–Hurlin causality tests, and presenting evidence of EKC for both types of economies. Consequently, the implementation of policies that foster the preservation of natural areas, the utilization of renewable energies, and the promotion of sustainable tourism practices is recommended.

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Salinas, Andrea, and Bryan Tillaguango. "Crecimiento económico e inversión extranjera directa y su incidencia en la desigualdad a nivel mundial: un enfoque de cointegración y causalidad en datos de panel." Revista Vista Económica 10, no. 1 (March 19, 2022): 87–99. http://dx.doi.org/10.54753/rve.v10i1.1295.

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El objetivo de esta investigación, es analizar el nexo entre el Índice de Gini, el crecimiento económico y la inversión extranjera directa (IED) en 100 países a nivel mundial, periodo 1980-2015. Se implementó técnicas de cointegración de datos de panel, como son los modelos de cointegración de Pedoni (1999) que evalúa el largo plazo, mientas que, para el corto plazo se implementó la prueba de cointegración de Westerlund (2007). Asimismo, para obtener la fuerza del vector de cointegración se utilizó modelos de Mínimos Cuadrados Ordinarios Dinámicos (DOLS) y Mínimos Cuadrados Ordinarios Dinámicos (PDOLS). En el caso de la causalidad se implementó la prueba propuesta por Dumitrescu /& Hurlin (2012). Los resultados de las pruebas de cointegración nos muestran que el Índice de Gini, el crecimiento económico y la IED tienen un movimiento conjunto a corto y largo plazo. Los modelos PDOLS y DOLS muestran que el vector de cointegración entre el Índice de Gini y el crecimiento económico es más contundente en los PIMB y PIMA. Por otra parte, los resultados de la causalidad de Dumitrescu & Hurlin (2012) confirman la existencia de causalidad bidireccional entre la desigualad y el producto interno bruto en los países de ingresos medios bajos (PIMB).

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Martín Cervantes, Pedro Antonio, Nuria Rueda López, and Salvador Cruz Rambaud. "A Causal Analysis of Life Expectancy at Birth. Evidence from Spain." International Journal of Environmental Research and Public Health 16, no. 13 (July 3, 2019): 2367. http://dx.doi.org/10.3390/ijerph16132367.

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Background: From a causal point of view, there exists a set of socioeconomic indicators concerning life expectancy. The objective of this paper is to determine the indicators which exhibit a relation of causality with life expectancy at birth. Methods: Our analysis applies the Granger causality test, more specifically its version by Dumitrescu–Hurlin, starting from the information concerning life expectancy at birth and a set of socioeconomic variables corresponding to 17 Spanish regions, throughout the period 2006–2016. To do this, we used the panel data involving the information provided by the Spanish Ministry of Health, Consumer Affairs and Social Welfare (MHCSW) and the National Institute of Statistics (NIS). Results: Per capita income, and the rate of hospital beds, medical staff and nurses Granger-cause the variable “life expectancy at birth”, according to the Granger causality test applied to panel data (Dumitrescu–Hurlin’s version). Conclusions: Life expectancy at birth has become one of the main indicators able to measure the performance of a country’s health system. This analysis facilitates the identification of those factors which exhibit a unidirectional Granger-causality relationship with life expectancy at birth. Therefore, this paper provides useful information for the management of public health resources from the point of view of the maximization of social benefits.

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KÖKSEL, Bilge, and Hüseyin YILMAZ. "BEŞERİ SERMAYE VE EKONOMİK BÜYÜME İLİŞKİSİ: FARKLI GELİRE SAHİP ÜLKELER GRUBU ÜZERİNE BİR İNCELEME." Journal of Life Economics 8, no. 2 (May 17, 2021): 157–71. http://dx.doi.org/10.15637/jlecon.8.2.02.

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Neo-klasik teorilerin büyümenin nicelik yönüne ağırlık vererek diğer faktörleri göz ardı etmesi, sürdürülebilir büyümenin olanaksız hale gelmesine sebep olmuştur. 20.yüzyılın ikinci yarısında ortaya çıkan içsel büyüme teorileri, neo-klasik teorinin varsayımlarını değiştirerek “insan” kavramının önemine değinmiş ve sürdürülebilir büyümede “kilit rol” olarak beşeri sermayeyi işaret etmiştir. Bu çalışmanın amacı, beşeri sermayenin ekonomik büyüme üzerindeki etkisini incelemektir. Şüphesiz beşeri sermaye her ülkenin ekonomik kalkınmasına aynı oranda etki etmemektedir. Bu düşünceden yola çıkılarak homojen özellik gösteren ülkeler sınıflandırılmış ve 1990-2018 dönemlerinde verilerine ulaşılabilen üst gelir (41 ülke), orta üst gelir (28 ülke), orta alt gelir (32 ülke) ve alt gelir (16 ülke) grubundaki ülkeler analize dâhil edilmiştir. Ampirik sonuçlara ulaşmak için Gengebach, Urbain ve Westerlund Panel Eşbütünleşme Testi, AMG katsayı tahmincisi ve Dumitrescu-Hurlin panel nedensellik analizi kullanılmıştır Eşbütünleşme testi, seriler arasında eşbütünleşme ilişkisinin bütün ülke gruplarında olduğunu göstermiştir. AMG katsayı tahmincisi sonuçlarına göre beşeri sermaye endeksindeki %1’lik artış; yüksek gelirli ülkelerde büyümeyi %3,13, orta üst gelirli ülkelerde %4,44, orta alt gelirli ülkelerde %2,62 ve alt gelirli ülkelerde %1,87 oranında arttırmaktadır. Dumitrescu-Hurlin panel nedensellik analizi, bütün ülke gruplarında sosyal sermaye ve büyüme arasında çift yönlü nedenselliğin olduğunu ortaya koymuştur. Analiz sonucunda elde edilen ampirik bulgular, ülkelerin ekonomik büyüklüğüne bağlı olmaksızın beşeri sermayenin farklı oranlarda da olsa ekonominin itici gücü olduğunu göstermiştir.

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35

Belloumi, Mounir, and Ahmed Aljazea. "Impact of economic growth and financial development on renewable energy use in selected oil-exporting countries." Asian Journal of Economic Modelling 12, no. 2 (April 18, 2024): 108–23. http://dx.doi.org/10.55493/5009.v12i2.5048.

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The aim of this study is to explore the influence of economic growth and financial development on renewable energy consumption. For the purpose of analysis, this investigation uses annual data on renewable energy consumption, economic growth, financial development, consumer price index, domestic investment, and foreign direct investment for 13 major oil-exporting countries, including Algeria, Guinea, Gabon, Iran, Libya, Nigeria, Congo, Republic of Venezuela, Saudi Arabia, Mexico, Malaysia, Sudan, and Russia, during the period 1990-2020. The study employs the Pooled Mean Group (PMG) method and Dumitrescu-Hurlin panel causality test to conduct the empirical analysis. The Hausman test determines the PMG estimator as the most suitable among the Mean Group (MG), Dynamic Fixed Effect (DFE), and PMG estimators. This research shows that economic growth and financial development have a positive and significant long-term impact on renewable energy consumption. This suggests that as the economy grows and financial systems develop, there is a potential for an increase in the use of renewable energy. The Dumitrescu-Hurlin causality test and the panel dynamic ordinary least squares (DOLS) method support these findings. From a policy standpoint, promoting economic growth and financial development could lead to greater use of renewable energy and contribute to sustainable development in oil-exporting countries.

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36

Tinti, Francesca. "Irina Dumitrescu, The experience of education in Anglo-Saxon literature. Cambridge University Press. Cambridge 2018." Peritia 30 (January 2019): 272–74. http://dx.doi.org/10.1484/j.perit.5.120994.

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Šifrar Kalan, Marjana. "Dumitrescu, Domnița and Patricia Lorena Andueza (eds.). 2018. L2 Spanish Pragmatics: From Research to Teaching." Language and Dialogue 9, no. 2 (July 12, 2019): 316–23. http://dx.doi.org/10.1075/ld.00043.sif.

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38

Benattalah, Samia, Amar Bouhallassa, and Mouhamed Souhar. "Experimental Investigation on Pressure Jump at Gas-Liquid Dumitrescu-Taylor Flow and at the Bubble Bottom." International Journal of Fluid Machinery and Systems 15, no. 1 (March 31, 2022): 86–94. http://dx.doi.org/10.5293/ijfms.2022.15.1.086.

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39

Destiartono, Mohamad Egi. "A DYNAMIC HETEROGENEOUS NEXUS BETWEEN PADDY AND POVERTY: EVIDENCE FROM DUMITRESCU-HURLIN CAUSALITY AND PMG-ARDL." BAREKENG: Jurnal Ilmu Matematika dan Terapan 17, no. 4 (December 19, 2023): 2225–34. http://dx.doi.org/10.30598/barekengvol17iss4pp2225-2234.

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Agriculture is supposed to have a pivotal role in assisting poverty alleviation in Indonesia. Hence, this paper empirically examines the causal link between paddy productivity and poverty rates in Sumatra, retrieving balanced panel data from ten provinces for the period 2010-2022. Dumitrescu-Hurlin (DH) causality and Pooled Mean Group (PMG) methods are applied in order to reveal the causal direction and the elasticity under heterogeneous panel models. This paper integrates slope homogeneity, panel unit root, and panel cointegration tests. The results reveal that poverty rates and paddy productivity, are integrated in mixed order, and , and they are cointegrated. The DH causality test denotes a unidirectional causality from paddy productivity toward poverty rates which implies the absence of a feedback effect. Following the PMG model, there is a positive impact of paddy productivity on poverty rates in the short run (∆β= 0.29); however, this linkage switches to become negative in the long run (β= -0.48). A 1% improvement in paddy productivity will be followed by a 0.48% reduction in poverty rates. Thus, augmenting paddy productivity has a favorable role in declining poverty rates. The estimated parameters of long-run PMG are robust, i.e., consistent with alternative methods of cointegrated regressions.

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40

Çalı, Mehmet Serkan, and Turan Öndeş. "Finansal Esnekliğin Risk Unsurlarıyla İlişkisi Üzerine Nedensellik Analizi: Borsa İstanbul İmalat Sektörü Üzerine Bir Uygulama." Kahramanmaraş Sütçü İmam Üniversitesi Sosyal Bilimler Dergisi 21, no. 1 (April 30, 2024): 90–99. http://dx.doi.org/10.33437/ksusbd.1363615.

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Finansal esneklik beklenmeyen değişimlerin karşısında firmaların yatırım fırsatlarını yakalama ve hayatını devam ettirebilmesine olanak sağlar. Finansal esneklik firmalarda karar alma süreçlerinde dikkate alınan faktörlerdendir. Firmalarda finansman kararları alınırken risk faktörü de dikkate alınan en önemli unsurlardandır. Bu çalışmada Borsa İstanbul’da işlem gören imalat sektörü firmalarından oluşan örneklem grubuyla finansman, faaliyet, endüstri riski ile finansal esneklik değeri arasında ki ilişki panel veri analizi yöntemlerinden Dumitrescu Hurlin (2012), heterojen nedensellik tahmincisi ile incelenmiştir. Firmaların finansman riskleri, faaliyet riskleri ve endüstri riski ile finansal esneklik arasında nedensellik tespit edilmiştir.

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Hutabarat, Tito Edwin Hasudungan, Poltak Sinaga, JohnTampil Purba, and Anton Wachidin Widjaja. "Factors Affecting Stock Selection and Market Timing Ability Between the Developed Country and Emerging Countries in Asean Markets." International Journal of Professional Business Review 8, no. 6 (June 26, 2023): e01878. http://dx.doi.org/10.26668/businessreview/2023.v8i6.1878.

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Objective: This research is designed to propose empirical evidence on factors affecting stock selection ability and market timing ability. Theoretical framework: Recent research found that most equity mutual funds underperform the market return due to a lack of stock selection and market timing abilities. However, rarely do they propose evidence of factors affecting the existence of these abilities Method: There are two-panel regression models developed in this research to show evidence of factors affecting stock selection and market timing abilities. The Dumitrescu–Hurlin (DH) test is used to gain a comprehensive understanding of the causality relationship between the variables Results and Conclusion: Based on observation of three ASEAN countries, this research proposes empirical evidence that the growth of fund size, volatility of the fund’s net asset value (NAV), and performance indicators of the underlying assets affect the stock selection ability differently in the respective countries. Similarly, the growth of fund size, volatility of the fund’s NAV, and macroeconomic indicators also affect the market timing ability differently Implications of the research: Therefore, the implementation of investment strategies in the three observed markets considers factors affecting the existence of the two abilities, effectively generating outperforming returns. Originality/value: Recent studies focused more on whether equity mutual funds are managed with stock selection and market timing abilities but not on factors affecting those abilities. This research proposes empirical evidence on factors affecting those abilities in different markets through econometrics analyses on panel data and the Dumitrescu–Hurlincausality test.

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Dritsaki, Melina, Chaido Dritsaki, Vasileios Argyriou, and Panagiotis Sarigiannidis. "The impact of greenhouse gas emissions and economic growth on health expenditure of EU countries: A panel data analysis." Journal of Infrastructure, Policy and Development 8, no. 6 (June 18, 2024): 4462. http://dx.doi.org/10.24294/jipd.v8i6.4462.

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The increase in energy consumption is closely linked to environmental pollution. Healthcare spending has increased significantly in recent years in all countries, especially after the pandemic. The link between healthcare spending, greenhouse gas emissions and gross domestic product has led many researchers to use modelling techniques to assess this relationship. For this purpose, this paper analyzes the relationship between per capita healthcare expenditure, per capita gross domestic product and per capita greenhouse gas emissions in the 27 EU countries for the period 2000 to 2020 using Error Correction Westerlund, and Westerlund and Edgerton Lagrange Multiplier (LM) bootstrap panel cointegration test. The estimation of model coefficients was carried out using the Augmented Mean Group (AMG) method adopted by Eberhardt and Teal, when there is heterogeneity and cross-sectional dependence in cross-sectional units. In addition, Dumitrescu and Hurlin test has been used to detect causality. The findings of the study showed that in the long run, per capita emissions of greenhouse gases have a negative effect on per capita health expenditure, except from the case of Greece, Lithuania, Luxembourg and Latvia. On the other hand, long-term individual co-integration factors of GDP per capita have a positively strong impact on health expenditure per capita in all EU countries. Finally, Dumitrescu and Urlin’s causality results reveal a significant one-way causality relationship from GDP per capita and CO2 emissions per capita to healthcare expenditure per capita for all EU countries.

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Apergis, Nicholas, Tasawar Hayat, and Tareq Saeed. "Fracking and infant mortality: fresh evidence from Oklahoma." Environmental Science and Pollution Research 26, no. 31 (October 11, 2019): 32360–67. http://dx.doi.org/10.1007/s11356-019-06478-z.

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Abstract This paper explores the impact of shale gas and oil fracking wells on infants’ health at birth across Oklahoma counties. The empirical analysis makes use of the Dumitrescu-Hurlin causality test, as well as the (long-run) Pooled Mean Group method. The results clearly document that there is a unidirectional relationship between fracking activities and three alternative indexes of infants’ health at birth, as well as a significant impact of fracking on infants’ health indicators. In addition, the results illustrate the substantial role of fracking through the drinking water quality channel.

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García Pérez, José. "D. Dumitrescu y D. Bravo (comp.). Roles situacionales, interculturalidad y multiculturalidad en encuentros en español. Dunken, 2016." Estudios Humanísticos. Filología, no. 40 (December 19, 2018): 439. http://dx.doi.org/10.18002/ehf.v0i40.5360.

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Gould, Phillip L. "Discussion of “ Concentrated Edge Loads on Hyperboloidal Shells ” by Julian Dumitrescu and David P. Billington (January, 1984)." Journal of Structural Engineering 111, no. 5 (May 1985): 1157–58. http://dx.doi.org/10.1061/(asce)0733-9445(1985)111:5(1157).

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Bacon, J. "Sampling G. E. Baiulescu, P. Dumitrescu and P. Gh. Zugravescu, Ellis Horwood, Chichester, 1991. Pages 184. £45.50." Talanta 40, no. 2 (February 1993): 292. http://dx.doi.org/10.1016/0039-9140(93)80339-s.

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ŞENTÜRK, Canan. "SEÇİLMİŞ AB ÜLKELERİ VE TÜRKİYE’DE DOĞRUDAN YABANCI YATIRIM VE ENDÜSTRİ-İÇİ TİCARET: DUMİTRESCU-HURLİN PANEL NEDENSELLİK ANALİZİ." Eurasian Econometrics Statistics & Emprical Economics Journal, no. 23 (September 2, 2023): 13–24. http://dx.doi.org/10.17740/eas.stat.2023-v23-02.

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Анотація:

Son elli yılda küresel ekonominin entegrasyonu ve çok uluslu şirketlerin dış kaynak kullanımı faaliyetleri ile bağlantılı olarak, gelişmekte olan ülkeler ve gelişmiş ülkeler arasındaki endüstri içi ticaret giderek artmaktadır. Küresel ölçekte artan doğrudan yabancı yatırımlarla ilişkili firma içi ticaretin de genişlemesi, yatırımın kaynağı ve ev sahibi ülke arasındaki endüstri içi ticaretin büyümesini yönlendiren ana faktörlerden biri olarak kabul edilmektedir. Bu çalışmanın amacı doğrudan yabancı sermaye yatırımları ile endüstri-içi ticaret arasındaki ilişkiyi ampirik olarak test etmektir. Araştırmada seçilmiş AB ülkeleri (Çek Cumhuriyeti, Hırvatistan, Macaristan, Avusturya, Bulgaristan, Polonya, Romanya, Slovakya, Slovenya) ile Türkiye’nin 1996-2019 dönemi verileri kullanılarak Grubel-Lloyd endeksi hesaplaması yapılmıştır. Hesaplanan endüstri-içi ticaret seviyeleri ile birlikte doğrudan yabancı sermaye yatırımları net giriş ve net çıkışları iki model kullanılarak Westerlund eşbütünleşme ve Dumitrescu-Hurlin panel nedensellik analizi ile incelenmiştir. Analiz sonuçlarına göre doğrudan yabancı sermaye yatırımları net girişlerinden (FDI) endüstri-içi ticarete doğru tek yönlü bir nedenselliğe rastlanırken doğrudan yabancı sermaye yatırımları net çıkış (FDIO) ile endüstri-içi ticaret arasında çift yönlü bir nedensellik ilişkisi bulunduğu saptanmıştır.

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Bozkurt, Kurtulus, Hatice Armutçuoğlu Tekin, and Zeliha Can Ergün. "An investigation of demand and exchange rate shocks in the tourism sector." Applied Economic Analysis 29, no. 86 (April 9, 2021): 171–88. http://dx.doi.org/10.1108/aea-05-2020-0051.

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Purpose This study aims to measure the relationship between demand and exchange rate shocks in the tourism industry. Design/methodology/approach A panel data set is constructed covering the period between 1995 and 2017, and the data set includes the top 26 countries that host 10 million tourists and above in the world as of 2017. The standard errors of the series are used as an indicator of shocks. First, the cross-sectional dependency, stationarity and the homogeneity of the series are examined; second, a panel cointegration analysis is implemented; third, long-term panel cointegration coefficients are analyzed with Dynamic Common Correlated Effects (DCCE) approach; and, finally, Dumitrescu and Hurlin’s (2012) Granger non-causality test is used to detect the causality. Findings The preliminary analyses show that the variables are cross-sectional dependent and heterogeneous and are stationary in their first difference; hence, the effects of the shocks are temporary. On the other hand, as a result of the panel cointegration analysis, it is found that both series are cointegrated over the long-term. However, the long-term coefficients estimated with the DCCE approach are found not to be statistically significant. Finally, as a result of the Dumitrescu and Hurlin’s (2012) Granger non-causality test, it is concluded that there is a causality running from exchange rate shocks to demand shocks. Originality/value To the best of the authors’ knowledge, the cointegration between the tourism demand shocks and exchange rates shocks has not been investigated before, and therefore, this study is considered to be a pioneering study that will contribute to the literature.

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Alshehry, Atef, and Mounir Belloumi. "The Symmetric and Asymmetric Impacts of Energy Consumption and Economic Growth on Environmental Sustainability." Sustainability 16, no. 1 (December 25, 2023): 205. http://dx.doi.org/10.3390/su16010205.

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Climate change has emerged as a global challenge because of its threat to sustainable development goals. Fossil fuels and economic growth are responsible for pollution and, thus, for climate change. In this context, this study explored the environmental Kuznets curve hypothesis for the case of 17 MENA countries over the period of 1990–2020. It investigated the symmetric and asymmetric impact of energy consumption and economic growth on CO2 emissions by controlling for population density, trade openness, and FDI inflows using panel linear and nonlinear ARDL models. The robustness of the results was checked using the fully modified OLS and dynamic OLS methods. Moreover, the Dumitrescu–Hurlin panel causality test was employed to determine the directions of causality between the variables. Overall, the empirical results of both panel linear and nonlinear ARDL models validate the environmental Kuznets curve hypothesis for the selected sample of MENA countries. Economic growth leads to environmental degradation only in the long run, whereas a rise in energy consumption leads to an increase in pollution in both the short and long run. These results are confirmed by the fully modified OLS and dynamic OLS methods. The findings of the Dumitrescu–Hurlin panel causality test also indicate the existence of bidirectional causality between energy consumption and CO2 emissions and between economic growth and CO2 emissions. Therefore, policy makers in the MENA region should invest in clean technologies and accelerate the transition to renewable energies such solar energy, wind power, and hydropower to align with sustainable development goals.

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Oliveira da Silva, Denilson, Lilian Lopes Ribeiro, Roberto Tatiwa Ferreira, Edward Martins Costa, and Pablo Urano de Carvalho Castelar. "Causality between corruption and poverty: An analysis for South American countries." Estudios económicos 39, no. 79 (June 25, 2022): 195–218. http://dx.doi.org/10.52292/j.estudecon.2022.2818.

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This work aimed to analyze the causality between corruption and poverty in Brazil and a group of seven other South American countries, from 2002 to 2018, using the methodology applied by Dumitrescu and Hurlin (2012) for heterogeneous panels. The variables for corruption employed are the Corruption Perception Index (CPI)and the Control of Corruption (CC) index and, as measures of poverty, the indexes proposed by Foster, Greer, and Thorbecke (1984), considering the poverty and extreme poverty lines. Results suggest one-directional CC causality for all measures of the poverty line, as well as for the P2 indicator of extreme poverty.

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