Дисертації з теми "Agricultural Economic Data"
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Larsén, Karin. "Economic consequences of collaborative arrangements in the agricultural firm /." Uppsala : Dept. of Economics, Swedish University of Agricultural Sciences, 2008. http://epsilon.slu.se/200828.pdf.
Повний текст джерелаAtici, Kazim Baris. "Using data envelopment analysis for the efficiency and elasticity evaluation of agricultural farms." Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/54354/.
Повний текст джерелаWearaduwa, Vidana Kankanamge Thilani Kaushalya. "Economic Efficiency of Occupational Health and Safety Investments at Agricultural Cooperatives." Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/28861.
Повний текст джерелаNorth Dakota State University. Department of College of Agriculture, Food Systems and Natural Resources
Parman, Bryon James. "Economies of scale for data envelopment analysis with a Kansas farm application." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/16002.
Повний текст джерелаDepartment of Agricultural Economics
Vincent Amanor-Boadu
Allen M. Featherstone
Estimation of cost functions can provide useful economic information to producers, economists, and policy makers. From the estimation of a cost function, it is possible to calculate cost efficiency, economies of scope, and economies of scale. Economic theory specifies the cost function as a frontier since firms cannot operate at lower cost than the cost minimizing input/output bundle. However, traditional parametric estimation techniques often violate economic theory using two sided-error systems. The stochastic frontier method has allowed the estimation of a frontier but continues to restrict the technology through functional assumption. Nonparametric frontier estimation is an alternative approach to estimate a cost frontier by enveloping the data which by its construct, conforms to economic theory. This research expands the economic information available by deriving multi-product scale economies and product-specific scale economies from the nonparametric approach. It also tests its ability to accurately recover these important economic measures under different assumptions of the cost function, and cost inefficiency distributions. Next, this new method is compared to other methods used to estimate cost functions and associated economic measures including a two-sided error system, stochastic frontier method, and an OLS model restricting the errors to take on only positive values. Finally, the nonparametric approach with the new measures is applied to a sample of Kansas farms. The nonparametric approach is able to closely estimate economies of scale and scope from estimation of a cost frontier. Comparison reveals that the nonparametric approach is closer to the “true” economic measures than some parametric methods and that it is better able to extrapolate out of sample when there are no zero output firms. Finally, the nonparametric approach shows that potential cost savings from economies of scale and economies of scope exist for small Kansas farms. However, cost savings from economies of scale become exhausted when farms exceed gross annual revenues of $500k, while economies of scope also diminish as farms grow larger. Results also show from annual frontier estimations that estimates of economies of scale, scope, and cost efficiency have remained relatively stable from 2002 to 2011.
Nelson, Andrew Darren. "The spatial analysis of socio-economic and agricultural data across geographic scales : examples and applications in Honduras and elsewhere." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405809.
Повний текст джерелаHartwich, Frank. "Evaluating performance of agricultural research & development : an economic analysis of R & D in universities and other research organizations in Cameroon and Tanzania /." Beuren : Grauer, 2001. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=009836947&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
Повний текст джерелаRemaury, Hugo. "Ex-ante economic and ecosystem service potential of simulated conservation practices in Ghana using a minimum data approach." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/13248.
Повний текст джерелаDepartment of Agricultural Economics
Timothy J. Dalton
Given the changing climate paradigm, food and poverty are likely to become more severe in Africa. Farmers can adapt to climate change, especially through conservation agriculture. This study relies on a minimum data approach developed by Antle and Valvidia (2006) to estimate the spatial distribution of opportunity cost for farmers in switching to conservation practices in Wa, Ghana. It assesses the economic feasibility of several scenarios that rely on production techniques currently studied by the CRSP SANREM project. We also explore the possibility that these practices can provide income from carbon sequestration payments implemented by the Kyoto protocol’s Clean Development Mechanisms. The methodology uses data from both a recent survey and information from secondary sources to assess simulated management practices. Results indicate that all the simulated management practices would theoretically benefit farmers. In fact, adoption rates for the four scenarios range from 52% to 65%, even without any carbon payment. Adding a proportional payment to the amount of carbon sequestered with these practices does not seem enough to influence farmers switch to switch to alternative scenarios. The analysis shows that these results hold even when additional fixed costs to adopt these practices are included. This case study demonstrates the usefulness of the minimum data approach in estimating the economic potential of conservation practices in Ghana. These production techniques may represent environmentally-friendly alternatives that are more profitable for farmers than current practices. The next step in assessing implementation of such practices would require studying farmers’ willingness to adopt these production systems, given their ex-ante economic returns.
Linde-Rahr, Martin. "Household economics of agriculture and forestry in rural Vietnam /." Göteborg : Dept. of Economics [Nationalekonomiska institutionen], Univ, 2002. http://www.handels.gu.se/epc/data/html/html/PDF/LindeRahrdissNEpdf.pdf.
Повний текст джерелаMusemwa, Lovemore. "Economics of land reform models used in Mashonaland Central Province of Zimbabwe." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/435.
Повний текст джерелаCatney, Denise Catherine. "Mathematical modelling of abbatoir condemnation data." Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388044.
Повний текст джерелаSchemper, Janel K. "Efficiency of combine usage: a study of combine data comparing operators and combines to maximize efficiency." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/17738.
Повний текст джерелаDepartment of Agricultural Economics
Vincent Amanor-Boadu
Farming is an important industry in the United States. The custom harvesting industry plays a major role in feeding the world. Schemper Harvesting is a family-owned and operated custom harvesting service that employs 20-25 seasonal workers and understanding how to manage a custom harvesting business professionally and efficiently is the key for its success. Today, there is data available through JDLink on John Deere combine performance beginning in year 2012. The purpose of this study is to examine the usefulness of this JDLink data to assess the efficiency of each of Schemper Harvesting’s seven combines, including machine efficiency and different combine operators. The goal is to determine how the data can improve Schemper Harvesting’s overall performance. Statistical methods were used to analyze Schemper Harvesting’s performance. The analysis indicated that fuel is a major expense and there are ways Schemper Harvesting can conserve fuel. This information may prove valuable in being able to operate a combine more efficiently and save money on expenses. Overall, the objective is to improve Schemper Harvesting’s performance, which results in higher profit without sacrificing quality. Precision technology is an added expense to the business. Being able to justify this expense with profit is the answer. Fuel, labor and machinery are the biggest inputs in the custom harvesting business. These costs related to production agriculture have increased the demand for precision agriculture to increase efficiency and profitability. In order to compensate for the investment in technology, it has been demonstrated that it pays for itself. Making correct use of precision technology adds to productivity. With experience, operators improve increasing their overall efficiency. Incentive plans can be utilized through this data. With the availability of data, the costs and benefits of precision technology can be further evaluated. Five of the seven combines are operated by family members and the other two by non-family employees. This study shows that the performance of the non-family employees was below that of family members. The initial assessment for this difference may be attributed to experience because all the family members have been operating combines for most of their lives. This implies that employing people with excellent performance experience records and/or a need to train non-family employees to help them understand the performance expectations at Schemper Harvesting. The results indicate that tracking operational output performance indicators, such as acreage and volume harvest should be completed so that they may be assessed in concert with the technical indicators such as time and fuel use. The study provides the potential benefits of using John Deere’s JDLink data service providing telematics information for its customers with the latest precision agriculture technologies.
Perry, Lyndi. "The Value of Farmland: Mapping Assessor Data to Understand Land Use Change." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7413.
Повний текст джерелаZhuo, Shuai He. "Agricultural productivity growth in chinese economy : a provincial panel data analysis after 1980." Thesis, University of Macau, 2008. http://umaclib3.umac.mo/record=b1783730.
Повний текст джерелаYoung, Jeffrey S. "Competition between private labels and national brands| Empirical evidence from Homescan data on fluid milk markets." Thesis, Purdue University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1585447.
Повний текст джерелаThe purpose of this study is to empirically examine the nature of the pricing relationship between private labels (or "store brands") and national brands. To accomplish this, we control for the exogenous variation in the farm price of a commodity that serves as the main agricultural input common to both private labels and national brands (any shocks to this farm price will pass through to both retail prices - private label and retail). The product of choice is fluid milk, as the farm price of milk comprises a large share of producer and retailer cost.
Two examples of underlying theories concerning this relationship are that (1) the introduction of private labels into a market lowers relative national brand prices, and (2) the introduction of private labels raises the relative national brand prices. The intuition following these two theories about private label/national brand competition tells us the patterns we should look for in the farm-to-retail price transmissions - whether relative national brand prices rise or fall. Hence, the models we estimate are standard price transmission models, each appropriate under specific assumptions about the data.
We obtain results that are inconsistent with either of the chosen theories. Furthermore, the results are robust across model specification. Within the results, we do observe that for small number of markets, the price transmission patterns for private labels are statistically different from those of national brands. Using Chow tests, these markets can be identified and set aside for further investigation.
Finally, we estimate the models again using private label retail prices from retailers for whom private labels are a relatively larger share of sales, and private label prices from retailers for whom private labels are a relatively lower share of sales. On average, we observe no difference in price-setting by retailers who feature national brands and those who don't, which is consistent with the preliminary findings.
Bailey, Alastair S. "The estimation of input-output coefficients for agriculture from whole farm accounting data." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320135.
Повний текст джерелаZarebanadkoki, Samane. "Essays on Health Economics Using Big Data." UKnowledge, 2019. https://uknowledge.uky.edu/agecon_etds/82.
Повний текст джерелаMuwanga-Zake, E. S. K. "The determination of data needs and priorities : a case study of food and agricultural statistics in Uganda." Thesis, University of East Anglia, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376061.
Повний текст джерелаShabbir, Javid. "Choice and collection of agriculture survey data in Punjab and its use in planning improved food supply." Thesis, University of Kent, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362192.
Повний текст джерелаNaude, Stephanus David. "Application of spatial resource data to assist in farmland valuation." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/18118.
Повний текст джерелаENGLISH ABSTRACT: In South Africa more than 80 percent of the total land area is used for agriculture and subsistence livelihoods. A land transaction is generally not a recurring action for most buyers and sellers, their experience and knowledge are limited, for this reason the services of property agents and valuers are sometimes used, just to get more information available. The condition of insufficient information and the inability to observe differences in land productivity gives rise to the undervaluation of good land and overvaluation of poor land. The value of a property plays an important role in the acquisition of a bond, in this context farm valuations are essential and therefore commercial banks make more use of specialist businesses that have professional valuers available. The advent of the Internet made access to comprehensive information sources easier for property agents and valuers whose critical time and resources can now be effectively managed through Geographic Information System (GIS) integrated workflow processes. This study aims to develop the blueprint for a farm valuation support system (FVSS) that assists valuers in their application of the comparable sales method by enabling them to do the following: (1) Rapid identification of the location of the subject property and transaction properties on an electronic map. (2) Comparison of the subject property with the transaction properties in terms of value contributing attributes that can be expressed in a spatial format, mainly a) location and b) land resource quality factors not considered in existing valuation systems that primarily focus on residential property. Interpretation of soil characteristics to determine the suitability of a soil for annual or perennial crops requires specialized knowledge of soil scientists, knowledge not normally found among property valuers or estate agents. For this reason an algorithm, that generates an index value, was developed to allow easy comparison of the land of a subject property and that of transaction properties. Whether this index value reflects the soil suitability of different areas sufficiently accurate was confirmed by soil suitability data of the Breede and Berg River areas, which were obtained by soil scientists by means of a reconnaissance soil survey. This index value distinguishes the proposed FVSS from other existing property valuation systems and can therefore be used by valuers as a first approximation of a property’s soil suitability, before doing further field work. A nationwide survey was done among valuers and estate agents that provided information for the design of the proposed FVSS and proved that the need for such a system does exist and that it will be used by valuers.
AFRIKAANSE OPSOMMING: Meer as 80 persent van die totale grondoppervlakte in Suid-Afrika word gebruik vir landbou en bestaansboerdery. 'n Grondtransaksie is oor die algemeen nie 'n herhalende aksie vir die meeste kopers en verkopers nie, hul ervaring en kennis is beperk, om hierdie rede word die dienste van eiendomsagente en waardeerders soms gebruik om meer inligting beskikbaar te kry. Die toestand van onvoldoende inligting en die onvermoë om verskille in grondproduktiwiteit te identifiseer gee aanleiding tot die onderwaardering van goeie grond en oorwaardering van swak grond. Die waarde van 'n eiendom speel 'n belangrike rol in die verkryging van 'n verband. In hierdie konteks is plaaswaardasies noodsaaklik en daarom maak kommersiële banke meer gebruik van gespesialiseerde maatskappye wat oor professionele waardeerders beskik. Die koms van die Internet het toegang tot omvattende inligtingsbronne makliker gemaak vir eiendomsagente en waardeerders wie se kritiese tyd en hulpbronne nou effektief bestuur kan word deur middel van Geografiese Inligtingstelsel (GIS) geïntegreerde werksprosesse. Hierdie studie poog om die bloudruk vir 'n plaaswaardasie ondersteuningstelsel te ontwikkel wat waardeerders sal help in hul toepassing van die vergelykbare verkope metode deur hul in staat te stel om die volgende te doen: (1) Vinnige identifisering van die ligging van die betrokke onderwerp eiendom en transaksie eiendomme op 'n elektroniese kaart. (2) Vergelyking van die onderwerp eiendom met transaksie eiendomme in terme van waardedraende eienskappe wat in 'n ruimtelike formaat uitgedruk word, hoofsaaklik a) ligging en b) bodem gehaltefaktore wat nie oorweeg word in bestaande residensieel georiënteerde waardasiestelsels nie. Interpretasie van grondeienskappe om die geskiktheid van grond vir eenjarige of meerjarige gewasse te bepaal vereis gespesialiseerde kennis van grondkundiges, kennis wat nie normaalweg gevind word onder eiendomswaardeerders of eiendomsagente nie. Om hierdie rede is 'n algoritme ontwikkel sodat die grond van ‘n onderwerp eiendom d.m.v. ‘n indekswaarde met transaksie eiendomme vergelyk kan word. Die indekswaarde is akkuraat genoeg bevestig toe dit vergelyk is met grond geskiktheidsdata wat deur grondkundiges in die Breede- en Bergrivier gebiede ingesamel is. Hierdie indekswaarde onderskei die voorgestelde plaaswaardasie ondersteuningstelsel van ander bestaande eiendom waardasiestelsels en kan dus deur waardeerders gebruik word as 'n eerste bepaling van 'n eiendom se grond geskiktheid, voordat verdere veldwerk gedoen word. 'n Landwye opname is gedoen onder waardeerders en eiendomsagente wat inligting voorsien het vir die ontwerp van die voorgestelde plaaswaardasie ondersteuningstelsel, asook bewys gelewer het dat daar ‘n behoefte aan so 'n stelsel bestaan en dat dit deur waardeerders gebruik sal word.
Rapu, Samuel Chukwueyem. "Evaluating the Impact of Policies on Production Efficiency of Nigeria's Rice Economy." ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/2423.
Повний текст джерелаWang, Chia-Hsing. "Three essays on economics of quality in agricultural markets." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1069824697.
Повний текст джерелаAw-Hassan, Aden Abdullahi. "Problems of Data Collection for Economic Research in Small Farmer Agriculture: Some Experience in Somalia." DigitalCommons@USU, 1988. https://digitalcommons.usu.edu/etd/4077.
Повний текст джерелаEberhardt, Markus. "Modelling technology in agriculture and manufacturing using cross-country panel data." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:d60f62f5-43e2-4473-b899-f4358d758e1e.
Повний текст джерелаMaurer, Jacob Lafe. "The development of a conceptual benchmarking tool representing big data and agricultural technology adoption on the farm." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/19071.
Повний текст джерелаDepartment of Agricultural Economics
Gregory Ibendahl
One of the latest buzzes amongst agriculture is the storage and analysis of “Big Data.” There are a number of questions surrounding the quality, quantity, and capacity of big data to form real-world decisions based upon past information. Much like the teachings of history, the storybook that big data can reveal about a grower’s operation may hold the answers to the question of: “what is necessary to increase food production which will be required to feed an ever-growing world?” With the increase in interest in precision agriculture, sustainability practices, and the processing of the immense spatial dataset generated on the farm, the next challenge at hand will be in determining how to make technology not only streamlined, but also profitable. Over the past few years, precision agriculture technology has become widely adopted as an agronomic decision making tool. Much like a scientific experiment, the greater the number of similar observations, the greater the degree of confidence can be placed upon a decision. As a means of increasing the number of observations that a farmer can use to base a decision upon, there is becoming increasing demand in being able to combine the data of similar farming operations in order to increase the size and scope of the dataset to generate better decisions benefitting many farms instead of just one. The growing interest in forming community data pools for farm data demonstrates the need for a study for determining how farming practices can be properly benchmarked. The goal was be to evaluate how to use farm data to make economic decisions in a similar manner as one would make agronomic decisions using similar observations. The objective was to design the proper protocol for benchmarking the farm’s potential, and evaluating potential increases in technical efficiency by adopting precision agriculture technology. To accomplish this, a data envelopment analysis was conducted using scale efficiency as a means of determining the frontier of efficient farms. The resounding goal for this study in the future will be to use the model as a means of implementing the secondary process of pooling precision agriculture data to analyze efficiencies gained by the adoption of technology. By demonstrating the value of generating peer groups to increase observations and refine farming practices, farmers can find increased profitability and efficiency by using resources that may already be held within the operation.
Rizvi, Muneer Ali Shah. "An analysis of the structure, conduct and performance of the date marketing system in Sind - Pakistan." Thesis, Queen's University Belfast, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328101.
Повний текст джерелаMiller, Noah James. "Estimating elasticities of input substitution using data envelopment analysis." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/27656.
Повний текст джерелаAgricultural Economics
Jason S. Bergtold
The use of elasticities of substitution between inputs has become the standard method for addressing the effect of a change in the mix of input used for production from a technological or cost standpoint. (Chambers 1988) A researcher that wants to estimate this elasticity, or some other comparative static, typically would do so using parametric production or cost function (e.g. translog or normalized quadratic) with panel data. For a study with only cross-sectional data, the construction of such a function may be problematic. Using a dual approach, a nonparametric alternative in such a situation may be the use of Data Envelopment Analysis (DEA). Cooper et al. (2000) provided a methodology for estimating elasticities of substitution for the technical production problem using DEA. To our knowledge, this has not been extended to the cost efficiency problem, which would be equivalent to estimating Allen partial or Morishima elasticities of substitution between inputs using a cost function (or cost minimization framework). The purpose of this thesis is to show how elasticities of substitution can be derived and estimated for the technical production and cost (overall economic) efficiency DEA under variable returns to scale. In addition, an empirical example using Kansas Farm Management Association (KFMA) data is presented to illustrate the estimation of these elasticities. The results showed that input substitutability is relatively limited at the enterprise level
Powers, Laura A. "IMPROVING FARM MANAGEMENT DECISIONS BY ANALYZING SITE-SPECIFIC ECONOMIC DATA DEVELOPED FROM YIELD MAPS." UKnowledge, 2002. http://uknowledge.uky.edu/gradschool_theses/167.
Повний текст джерелаChimai, Bernadette Chewe. "Determinants of Technical Efficiency in Smallholder Sorghum Farming in Zambia." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306247474.
Повний текст джерелаRossi, James. "Comparing the Impacts of Biofuels Using Survey and Non-survey Data." Thesis, University of Missouri - Columbia, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13850745.
Повний текст джерелаThis paper utilizes survey data to compare several non-survey methods of modeling the economic impacts of biofuels plants. It examines differences in the input coefficients derived from the survey versus the trade coefficients generated through the non-survey methods. It finds that of the three non-survey methods examined, the Swenson (2006) scenario input coefficients most closely represent those found in the survey based on the performance of the non-survey scenario input coefficients in a variety of statistical tests. Further, it examines the economic impacts (multipliers) generated by these scenarios compared to those generated from the survey. Based upon statistical tests of the multipliers, the Swenson scenario’s estimated impacts most closely represent the impacts derived from the survey.
Beltrán, Esteve María Mercedes. "Essays on the assessment of eco-efficiency in agriculture." Doctoral thesis, Universidad de Alicante, 2012. http://hdl.handle.net/10045/25183.
Повний текст джерелаLiu, Kang Ernest. "Food demand in urban China an empirical analysis using micro household data /." Columbus, OH : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1044408843.
Повний текст джерелаTitle from first page of PDF file. Document formatted into pages; contains xiii, 150 p.: ill. Includes abstract and vita. Advisor: Wern S. Chem, Dept. of Agricultural, Environmental, and Development Economics. Includes bibliographical references (p. 143-150).
Mugadza, Precious. "An assessment of the usefulness of spatial agricultural land resource digital data for agritourism and ecotourism." Thesis, Link to the online version, 2005. http://hdl.handle.net/10019/1125.
Повний текст джерелаLynes, Melissa Kate. "Production efficiencies of U.S. electric generation plants: effects of data aggregation and greenhouse gas and renewable energy policy." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/19781.
Повний текст джерелаDepartment of Agricultural Economics
Jeffery R. Williams
Over the last few decades there has been a shift in electricity production in the U.S. Renewable energy sources are becoming more widely used. In addition, electric generation plants that use coal inputs are more heavily regulated than a couple decades ago. This shift in electricity production was brought on by changes in federal policy – a desire for electricity produced in the U.S. which led to policies being adopted that encourage the use of renewable energy. The change in production practices due to policies may have led to changes in the productivity of electric generation plants. Multiple studies have examined the most efficient electric generation plants using the data envelopment analysis (DEA) approach. This study builds on past research to answer three questions: 1) Does the level of aggregation of fuel input variables affect the plant efficiency scores and how does the efficiency of renewable energy input compare to nonrenewable energy inputs; 2) Are policies geared toward directly or indirectly reducing greenhouse gas emissions affecting the production efficiencies of greenhouse gas emitting electric generation plants; and 3) Do renewable energy policies and the use of intermittent energy sources (i.e. wind and solar) affect the productivity growth of electric generation plants. All three analysis, presented in three essays, use U.S. plant level data obtained from the Energy Information Administration to answer these questions. The first two essays use DEA to determine the pure technical, overall technical, and scale efficiencies of electric generation plants. The third essay uses DEA within the Malmquist index to assess the change in productivity over time. Results indicate that the level of aggregation does matter particularly for scale efficiency. This implies that valuable information is likely lost when fuel inputs are aggregated together. Policies directly focused on reducing greenhouse gas emissions may improve the production efficiencies of greenhouse gas emitting electric generation plants. However, renewable energy policies do not have an effect on productivity growth. Renewable energy inputs are found to be as efficient if not more efficient than traditional energy sources.
Avelar, Fagner Mendonça. "Agricultura familiar: dinâmica e efeitos do PRONAF na região Oeste do Paraná." Universidade Estadual do Oeste do Parana, 2016. http://tede.unioeste.br:8080/tede/handle/tede/1985.
Повний текст джерелаThe present study aimed to analyze the dynamics and effects of the National Program for Strengthening Family Agriculture (PRONAF) in the western region of Paraná. Currently, policies directed to the agricultural sector have two approaches: on the one hand, the strengthening of the competitiveness of business agriculture, focused on the external sector, and on the other, the strengthening of family agriculture in order to contribute to the generation of employment and income in rural areas And urban areas. To evaluate the effects of PRONAF, the Panel Data Model was used in view of its superiority in relation to the Cross-Section and Pure Time Series. It was verified that the PRONAF is a sectorial policy capable of generating positive effects both in the growth of the product and in the generation of income, employment and tax revenue of the region. Through a better orientation of the agents involved, policies such as PRONAF can help in the development of regions with characteristics similar to those studied.
A presente pesquisa objetivou analisar a dinâmica e os efeitos do Programa Nacional de Fortalecimento da Agricultura Familiar (PRONAF) na região Oeste do Paraná. Atualmente a políticas direcionadas ao setor agropecuário tem dois enfoques: de um lado o fortalecimento da competitividade da agricultura empresarial, voltada para o setor externo, e de outro o fortalecimento da agricultura familiar de forma a contribuir para a geração de emprego e renda nas áreas rurais e urbanas. Para avaliar os efeitos do PRONAF utilizou-se do Modelo de dados em painel tendo em vista sua superioridade em relação à Seção-Cruzada e Series Temporais puras. Verificou-se que o PRONAF é uma política setorial capaz de gerar efeitos positivos tanto no crescimento do produto quanto na geração de renda, emprego e receita tributária da região. Através de uma melhor orientação dos agentes envolvidos, políticas como o PRONAF, podem auxiliar no desenvolvimento de regiões com características semelhantes á estudada.
Hankinson, Matthew William. "Planting Date and Starter Fertilizer Effects on Soybean Growth and Yield." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429734801.
Повний текст джерелаKim, GwanSeon. "UTILIZING LARGE SCALE DATASETS TO EVALUATE ASPECTS OF A SUSTAINABLE BIOECONOMY." UKnowledge, 2019. https://uknowledge.uky.edu/agecon_etds/78.
Повний текст джерелаHeng, Yan. "Three essays on differentiated products and heterogeneous consumer preferences: the case of table eggs." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/18993.
Повний текст джерелаDepartment of Agricultural Economics
Hikaru Hanawa Peterson
Consumers’ food demand has been found to be affected not only by prices and income, but also by their increasing concern about factors like health benefits, animal welfare, and environmental impacts. Thus, many food producers have differentiated and advertised their products using relevant attributes. The increasing demand and supply of differentiated food products have raised questions regarding consumer preferences and producer strategies. This dissertation consists of three essays and empirically examines the egg market to shed light on related issues. The first question that this study aims to answer is whether consumers are willing to pay a premium for livestock and dairy products associated with improved animal welfare. Consumers’ attitude towards such products not only affect manufacturers’ production decisions, but also influence policy makers and current legislations. Using a national online survey with choice experiments, the first essay found that consumers in the study sample valued eggs produced under animal-friendly environment, suggesting incentives for producers to adopt animal welfare friendly practices. In an actual shopping trip, consumers usually need to choose from products with multiple attributes and labels. Studying how consumers with heterogeneous preferences process these information simultaneously and make decisions is important for producers to target interested consumer segments and implement more effective labeling strategies. In the second essay, a different national online survey was administered. The analysis using a latent class model categorized the sample respondents into four classes, and their preferences toward attributes and various label combinations differed across classes. Scanner data, which record actually purchased choices, are an important source of information to study consumer preferences. Diverging from the traditional demand approaches that are limited in studying differentiated product markets using scanner data, this study used a random coefficient logit model to overcome potential limitations and examine the demand relationship as well as price competition in the differentiated egg market. The third essay found that conventional and private labeled eggs yielded higher margins due to less elastic demand and cautioned producers of specialty eggs, which are usually sold at high prices despite their much more elastic demand.
Wang, Xiaojin. "ESSAYS ON AGRICULTURAL MARKET AND POLICIES: IMPORTED SHRIMP, ORGANIC COFFEE, AND CIGARETTES IN THE UNITED STATES." UKnowledge, 2016. http://uknowledge.uky.edu/agecon_etds/41.
Повний текст джерелаTownsend, Owen. "THE HISTORY OF THE FEDERAL MILK MARKETING SYSTEM AND AN ANALYTICAL VIEW OF UNIQUE QUALITIES EFFECTS ON MILK PRICES IN THE SOUTHEAST." UKnowledge, 2017. http://uknowledge.uky.edu/agecon_etds/50.
Повний текст джерелаJenzen, Douglas P. "Growing Conflict: Agriculture, Innovation, and Immigration in San Luis Obispo County, 1837-1937." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/460.
Повний текст джерелаChang, Ching-Hsing. "Essays on Environmentally Friendly Practices." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306895757.
Повний текст джерелаPintor, Eduardo de. "Determinantes da expansão da fronteira de produção das culturas de arroz, milho e soja no Norte e Nordeste brasileiro." Universidade Estadual do Oeste do Parana, 2016. http://tede.unioeste.br:8080/tede/handle/tede/2202.
Повний текст джерелаCoordenação de Aperfeiçoamento de Pessoal de Nível Superior
The agricultural sector has been and remains essential to the development of the Brazilian economy. This sector held its basic functions to assist the development process in much of the country. The main functions, carried out in the 1960s and 1970s, were: sustained increase in supply of agricultural products; expansion of agribusiness exports; labor release to work in other sectors of the economy; transfer of financial resources to other activities in the economy and consumer market constitution for industrialized goods and services. However, it is known that development occurs unevenly and disproportionately in the territory, tending to be concentrated spatially at the locations of greater wealth accumulation. Thus, the agricultural sector also has modernized more intensively in places with higher wealth concentration. Its modernization has not occurred equally throughout the national territory, having also areas where agricultural expansion occurred in the 1990s and 2000. Brazil is one of the few countries that has the possibility of expanding the agricultural frontier of production through incorporation of new areas. The process of agricultural expansion in these areas continues to occur, either by area growth or by increase in productivity. They are concentrated in the states of the regions North and Northeast of Brazil. The agent capable of accomplish this agricultural expansion through new investments is the entrepreneur. In Schumpeter's view, it is the agent who performs the new combinations of production factors that result in innovations in the economy. To this end, this agent, when unprovided of the means of production, needs credit. The role of credit is to provide the means for the entrepreneur perform new combinations. This capacity that the entrepreneur is gifted will result in the opening of new markets or a new source of raw material. The farmer figure as this agent able to implement the technical change of the production process in the analyzed region. Thus, based on these assumptions and the way that the development is spread in the territory, it analyzed the expansion of the production frontier of rice, corn and soybeans in the North and Northeast of Brazil, from 1999 to 2012. For this, it used an econometric model estimated by panel data technique. The equation estimated by this method found that 81.95% of the harvested area of rice, corn and soybeans to the North and Northeast Brazil from 2000 to 2012, are explained by the rural credit funding, Gross Value Added of agriculture, commodities price, number of employees in the agricultural sector, number of establishments of the agricultural sector, quantity sold tractors, agribusiness exports and dummies Bahia, Maranhão, Pará, Piauí and Tocantins. Besides, the learning ability and technique of farmers was critical to the consolidation of the agricultural expansion process, they are seen as entrepreneurs able to put into practice the technical changes applied to the agricultural sector in the North and Northeast of Brazil.
O setor agrícola foi e continua sendo indispensável para o desenvolvimento da economia brasileira. Esse setor realizou suas funções básicas para auxiliar o processo de desenvolvimento em grande parte do território nacional. As principais funções realizadas, nas décadas de 1960 e 1970, foram: aumento sustentado da oferta de produtos agrícolas; expansão das exportações do agronegócio; liberação de mão de obra para outros setores da economia; transferência de recursos financeiros para outras atividades na economia; e a constituição de mercado consumidor para os bens e serviços industrializados. Contudo, sabe-se que o desenvolvimento ocorre de forma desigual e desproporcional no território, tendendo a concentra-se espacialmente nos locais de maior acumulação de capital. Deste modo, o setor agrícola também se modernizou de forma mais intensiva em locais com maior concentração de capital. Sua modernização não ocorreu de forma igualitária em todo o território nacional, possuindo, ainda, áreas onde a expansão agrícola ocorreu nas décadas de 1990 e 2000. O Brasil é um dos poucos países que tem a possibilidade de expansão da fronteira agrícola de produção via incorporação de novas áreas. O processo de expansão agrícola nestas áreas continua ocorrendo, seja pelo crescimento de área ou pela elevação da produtividade. Elas estão concentradas nos estados das regiões Norte e Nordeste brasileiro. O agente capaz de realizar esta expansão agrícola por meio de novos investimentos é o empresário. Na concepção de Schumpeter, ele é o agente que realiza as novas combinações dos fatores de produção que resultam em inovações na economia. Para tanto, esse agente, quando desprovido dos meios de produção, necessita de crédito. O papel do crédito é proporcionar os meios para que o empresário realize novas combinações. Esta capacidade de que o empresário é dotado resultará na abertura de novos mercados ou em uma nova fonte de matéria-prima. O agricultor figura como este agente capaz de implantar a mudança técnica do processo produtivo na região analisada. Assim, pautado nestas premissas e na forma pela qual o desenvolvimento se propaga no território, analisou-se a expansão da fronteira de produção das culturas de arroz, milho e soja no Norte e Nordeste brasileiro, no período de 1999 à 2012. Para isto, foi utilizado um modelo econométrico estimado por meio da técnica de dados em painel. A equação estimada por esse método constatou que 81,95% da área colhida das culturas de arroz, milho e soja para o Norte e Nordeste brasileiro de 2000 a 2012, são explicadas pelo crédito rural de custeio, Valor Adicionado Bruto da produção agropecuária, preço das commodities, número de empregados no setor agrícola, número de estabelecimentos do setor agrícola, quantidade vendida de tratores, exportações do agronegócio e as dummies Bahia, Maranhão, Pará, Piauí e Tocantins. Além disso, a capacidade de aprendizagem e técnica dos agricultores foi fundamental para a consolidação do processo de expansão agrícola, sendo eles, vistos como os empresários capazes de colocar em prática as mudanças técnicas aplicadas ao setor agrícola no Norte e Nordeste brasileiro.
Marinelli, Marco Antonio. "Modelling and communicating the effects of spatial data uncertainty on spatially based decision-making." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1842.
Повний текст джерелаSegarra, Eduardo. "A dynamic analysis of the crop productivity impacts of soil erosion: an application to the Piedmont area of Virginia." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/51930.
Повний текст джерелаPh. D.
Parker, Joseph Lynn. "Beyond Sustainable Bounds: Changing Weather, Emigration, and Irrigation in a Farming Village of Sichuan, China, 1945-2012." PDXScholar, 2013. http://pdxscholar.library.pdx.edu/open_access_etds/1514.
Повний текст джерелаFerro, Aline Barrozo. "Comportamento dos preços de terras em região de fronteira agrícola e em áreas tradicionais." Universidade Federal de São Carlos, 2012. https://repositorio.ufscar.br/handle/ufscar/2147.
Повний текст джерелаThis study aims to evaluate the impact of some factors on prices of agricultural land in three different regions: agricultural frontier (in the south of Maranhão, south of Piauí, eastern region of Tocantins and west of Bahia), transition area (relatively recent agricultural use of the land; however, it already represents a major soybean producing region, such as the Central-Western region in Brazil) and developed (more traditional agricultural areas, such as the South of Brazil). The period of the analysis is from 2002 to 2010, due to the recent availability of prices of regional lands. Several studies regarding the land market were analyzed; consequently, some factors related to the revenue obtained with land, to the technological level, to the infrastructure, to the need of credit, to the availability of land to expand crops and to one factor linked to expectations of agents. The elasticity in relation to the land price was obtained, using the econometric model of panel data. Soybean prices, which represent the revenue of land, had a positive relation with the price of this factor. Moreover, it was possible to verify that, in less occupied regions, an increase in the demand for area may bring negative impacts on its prices, because of the higher elasticity of the land supply and the possibility to convert raw lands and pastures in agricultural areas. This occurs because the land conversion shifts the supply curve to the right, which might impact negatively the land price. On the other hand, in the developed area, the relation is positive, since the land supply is almost inelastic. The factor of speculation was very important in the agricultural frontier region, differently from what was observed in other regions, which has highlighted the sharp interest of investors groups interested in the potential of the land valuation in that region in the period considered.
O presente estudo tem como objetivo analisar o impacto de algumas variáveis sobre o preço da terra agrícola em três regiões distintas: fronteira agrícola (localizada no sul do Maranhão, sul do Piauí, leste do Tocantins e oeste da Bahia), área de transição (com exploração agrícola relativamente recente, mas que já representa um grande pólo produtor de soja, como o Centro-Oeste) e desenvolvida (áreas agrícolas mais tradicionais, como o Sul do País). O período de análise foi de 2002 a 2010, em virtude da recente disponibilidade de preços de terras regionais. Tendo sido analisados diversos trabalhos referentes ao mercado de terras, foram selecionadas algumas variáveis relacionadas à renda da terra, ao nível tecnológico, à infraestrutura, à necessidade de crédito de subsídio, à disponibilidade de terras para expansão do cultivo e a um fator relacionado às expectativas dos agentes. Foram obtidas as elasticidades em relação ao preço da terra utilizando-se o modelo econométrico de dados em painel. Observou-se que o preço da soja, que representa a renda da terra, teve relação estreita e positiva com o preço deste fator. Além disso, foi possível verificar que nas regiões menos ocupadas, um aumento da demanda por área pode impactar negativamente em seu preço, tendo em vista a maior elasticidade da oferta de terras e a possibilidade de conversão de terras brutas e pastagens em áreas agrícolas. Isso ocorre porque a conversão de terras possibilita um deslocamento da curva de oferta para a direita, o que pode proporcionar um impacto negativo no preço da terra. Já na região desenvolvida, a relação é positiva, já que a oferta de terras é praticamente inelástica. O fator especulativo foi bastante representativo na região de fronteira agrícola, ao contrário do observado nas demais regiões, o que evidenciou o forte interesse por grupos investidores com interesse no potencial de valorização da terra nessa região no período analisado.
Jeanty, Pierre Wilner. "Two essays on environmental and food security." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1164833528.
Повний текст джерелаTokoyama, Yuki. "Three essays on Japanese household food consumption." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1180272913.
Повний текст джерелаEnlow, Sierra J. "AN EXAMINATION OF CORPORATE AGRIBUSINESS FINANCIAL PERFORMANCE: HOW AGRIBUSINESSES PERFORM OVER TIME AND UNDER VARIOUS CONDITIONS." UKnowledge, 2012. http://uknowledge.uky.edu/agecon_etds/9.
Повний текст джерелаHendriks, Joseph. "An analysis of precision agriculture in the South African summer grain producing areas / Hendriks J." Thesis, North-West University, 2011. http://hdl.handle.net/10394/7318.
Повний текст джерелаThesis (M.B.A.)--North-West University, Potchefstroom Campus, 2012.