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Bazenet, Flavien. "De l'intention d'entreprendre des porteurs de projets numériques : l'influence des représentations véhiculées par les médias". Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAT045.
Pełny tekst źródłaThis doctoral dissertation focuses on the question of the influence of media narratives on the entrepreneurial intentions of digital project owners. Three questions have been selected, each of which has been the subject of a specific field of study, resulting in three research articles.The first article proposes a critical examination of the media discourse produced by the press on start-ups. As an extension of this first essay, the second article examines the question of the adherence of digital project owners to these representations. Finally, the third article aims, in an exploratory approach, to complete the analysis of the two previous works by revisiting the question of "entrepreneurial intention". The research approach led to the construction and processing, depending on the article, of quantitative or qualitative data to try to find the most plausible explanations for the observed phenomena. All the discussions allow us to formulate a proposal. Digital entrepreneurship can be considered, not as an extension of classical entrepreneurship, but as a new paradigm based on a series of original principles, atypical procedures and new practices, thus opening new research perspectives
Fraccola, Raymond. "Evolution de la culture organisationnelle dans les start-up innovantes". Lille 3, 2005. http://www.theses.fr/2005LIL30019.
Pełny tekst źródłaDubocage, Emmanuelle. "Le capital-risque : un mode de financement dans un contexte d'incertitude". Paris 13, 2003. http://www.theses.fr/2003PA131027.
Pełny tekst źródłaComparing Venture Capital with credit or market financing leads us to underline the specificity of this mode of financing: the high level of uncertainty about the future of venture-backed firms, which are high tech start-up. The venture capitalist and the manager cannot manage this uncertainty with risk theoretical tools that is probability. It is assumed in this thesis that subjective conflicts between venture capital and entrepreneurs are not the root cause of transaction difficulties. The set of hypotheses put forward by the agency theory orientates the analysis of the relationship between venture capitalist and entrepreneurs in a direction which does not allow the following issue to be taken into account: the key difficulty of the transaction is raised by the uncertainty about the future of venture-backed firms. Then, the aim of this thesis is to construct an analytical framework, which analyse the uncertainty treatment of venture capitalist. The evaluation of venture-backed firms is a real option-based one. But, it has a subjective and inter-subjective dimension too. Analysing the subjective one's requires to use knightian judgment and the latter is linked with the mimetism issue prevailing in financial market. When the venture capitalist is skilled, he is able to interpret the quality benchmarks of the start-up but when he is not, his evaluation is based on mimetism. As far as the venture capital market is concerned, a model underlines the interaction impact between these two kinds of valuation: the predominance of non skilled venture capitalists produces a general overvaluation of venture-backed firms. The role of the inter-subjective nature of the evaluation by anonymous investors is analysed econometrically
Iselin, Frédéric. "Proposition de valeur et positionnement de prix : la place de la valeur client dans le pricing d'offres innovantes : le cas des start-up technologiques". Paris, CNAM, 2009. http://www.theses.fr/2009CNAM0650.
Pełny tekst źródłaCette thèse est centrée sur la question de recherche suivante : comment les start-up technologiques françaises intègrent-elles le concept de création de valeur pour leurs clients ? Après une exploration de la littérature académique, nous proposons une démarche empirique partant de notre expérience d’entrepreneur. Nous utilisons une approche quantitative par sources primaires (1 196 dirigeants de start-up, 280 réponses qualifiées). Cette approche repose sur un modèle de recherche, six hypothèses, des variables permettant de construire un questionnaire, et un système de codage. Nous proposons cinq apports de la recherche : un processus en onze étapes permettant aux managers de start-up technologique de positionner leur prix ; une typologie des propositions de valeur, qui distingue neuf situations ; la démonstration de la faiblesse de l’attractivité des propositions de valeur de 58 % des start-up technologiques françaises, (sachant que nous n’avons pas constaté de corrélation entre la maturité de notre échantillon et une amélioration de cette attractivité) ; la démonstration selon laquelle l’exploitation du potentiel de création de valeur conféré par l’innovation technologique n’est pas optimisée par 74 % des start-up françaises ; enfin, notre dernier constat repose sur des considérations macro-économiques, en procédant par syllogisme : la majorité des start-up technologiques ont une proposition de valeur non convaincante ; le lien entre création de valeur et performances a été fait par la littérature. Cela peut-il contribuer à expliquer, d’une part l’atonie de la croissance des PME françaises, et d’autre part, les faibles performances des capital–risqueurs français ?Après une exploration de la littérature académique, nous proposons une démarche empirique partant de notre expérience d’entrepreneur. Nous utilisons une approche quantitative par sources primaires (1 196 dirigeants de start-up, 280 réponses qualifiées). Cette approche repose sur un modèle de recherche, six hypothèses, des variables permettant de construire un questionnaire, et un système de codage. Nous proposons cinq apports de la recherche : un processus en onze étapes permettant aux managers de start-up technologique de positionner leur prix ; une typologie des propositions de valeur, qui distingue neuf situations ; la démonstration de la faiblesse de l’attractivité des propositions de valeur de 58 % des start-up technologiques françaises, (sachant que nous n’avons pas constaté de corrélation entre la maturité de notre échantillon et une amélioration de cette attractivité) ; la démonstration selon laquelle l’exploitation du potentiel de création de valeur conféré par l’innovation technologique n’est pas optimisée par 74 % des start-up françaises ; enfin, notre dernier constat repose sur des considérations macro-économiques, en procédant par syllogisme : la majorité des start-up technologiques ont une proposition de valeur non convaincante ; le lien entre création de valeur et performances a été fait par la littérature. Cela peut-il contribuer à expliquer, d’une part l’atonie de la croissance des PME françaises, et d’autre part, les faibles performances des capital–risqueurs français ?
Nassim, Marc A. "Création de valeur dans les fusions-acquisitions : application aux firmes internet". Aix-Marseille 3, 2006. http://www.theses.fr/2006AIX32066.
Pełny tekst źródłaThis thesis is related to the study of value creation for shareholders in mergers and acquisitions (M&A) involving Internet firms. Value creation is measured using an empirical method based on event study. We have focused in our study on four major markets, namely the United States, Great Britain, Germany and France. M&A transactions are studied from different points of view, such as the nature of the transaction, the financing method, the period during which the transaction occurred and the geography of the transaction. We found that, on a global basis, M&A transactions involving Internet firms did not destroy value for the shareholders
Nseké, Missé Georges. "Une approche relationnelle de la genèse organisationnelle dans les entreprises de la « nouvelle économie » : Le cas des start-up françaises de biotechnologie". Paris 9, 2008. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2008PA090049.
Pełny tekst źródłaA new production method, brought about by life scientific advances has been adopted with the emergence of new organizational structures and partnerships based on growing links between the academic world, industry and finance. This change has been brought about by R&D, to public policies and to technology transfer activities (academic laboratories to private structures). Thus, when a long term vision is hard to obtain for numerous organizations, the organizations’ durability becomes the main focus for managerial sciences. Our research choice favoured studies on organizational durability by way of a qualitative method. Indeed, the cultural dynamic of the actors has served as a vector in the understanding of the changing dynamic of these firms from an inductive and longitudinal method during three years. The results obtained explain the conceptual coherence between the dynamic from noted proactivity to cultural and organizational reliance activities, and the survival of the companies in our cross-section
Génod, Laurent. "Le Japon analyse problématique du développement dans la mondialisation". Aix-Marseille 3, 2009. http://www.theses.fr/2009AIX30064.
Pełny tekst źródłaLe, Gloan Caroline. "Les politiques publiques dans la création et le financement de start-up en France : Une évaluation du Concours national d'aide à la création d'entreprises de technologies innovantes". Phd thesis, Université Panthéon-Assas - Paris II, 2007. http://tel.archives-ouvertes.fr/tel-00335414.
Pełny tekst źródłaSon efficacité est évaluée sous l'angle de la qualité de son ciblage et de l'information qu'il procure aux autres agents (notamment les investisseurs) en s'appuyant sur le concept de quality certification (ou label public).
Le travail empirique se base sur le traitement statistique d'un échantillon de 500 entreprises créées sur la période 1999-2006, sur une étude de cas portant sur 11 entreprises issues du concours ayant réalisé une forte levée de fonds sur le marché du capital risque, et sur une enquête de satisfaction auprès d'une vingtaine d'investisseurs.
Les résultats mettent en valeur l'impact positif de ce financement public en termes de ciblage, de performance des bénéficiaires, d'effet de levier financier et d'efficience systémique. Mais la viabilité des entreprises créées reste incertaine et la quality certification est insuffisante auprès des différents partenaires financiers. Dans un contexte institutionnel encore peu favorable, la pluralité et la forte décentralisation de l'intervention publique est plus largement pointée tout comme les déterminants et barrières à la croissance et au financement des Jeunes Entreprises Innovantes. Des préconisations méthodologiques, pratiques et politiques sont enfin formulées.
Useche, Diego. "Les droits de la propriété Intellectuelle et les marchés financiers dans la stratégie des firmes du logiciel en Europe et aux Etats-Unis". Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0048/document.
Pełny tekst źródłaThe success of the US innovation model to help start-ups emerge as global leaders has greatly influenced many regulatory changes on Intellectual Property Rights (IPR) and the external finance of firms in Europe. This study aims to analyze the role and importance of these changes in the organization and performance of software firms. We show that multiple regulatory mutations of IPR have paved the way for some kind of “restricted” patentability of software in Europe. In parallel, via changes in financial markets, they play an increasing role in the growth and development of young innovative companies. In addition, it seems that the strategic use of patents is complementary with software firms’ access to capital markets. We study this complementarity by analyzing the value of patents as signals for IPO markets and their impact in the likelihood of survival of newly-listed companies. We argue that this complementarity may explain the increased importance of patents in a sector where patents are highly controversial. It refers to a particular market selection process and the appearance of winning and losing actors
Laffond, Mathieu. "Le co-design dans le développement durable : design thinking et design du projet dans l'écosystème des startups". Thesis, Toulouse 2, 2019. http://www.theses.fr/2019TOU20019.
Pełny tekst źródłaTo propose a change of posture vis-à-vis the co-design methodologies used in problem solving when supporting projects of innovative startups is our goal. This work between development of research and professional practices leads us to look at design under another filter, that of phenomena of meaning. The approach of project design, fueled by a science such as semiotics, leads us to the elaboration of a new strategic approach of co-design, of design thinking, to rethink notions of experiences, uses, skills, interactions, to consider and develop a disruptive methodology adapted to the universe of startups and innovation: See - Perceive - Design. By imagining this thesis space as a strategic place for evolutions and mutations of the notion of innovation, but also of our consumption, research and development cultures of the future, it is now important to immerse ourselves in an engine ecosystem. of our time, the startup, to take the right measure of developments in an agile discipline such as service design in an increasingly complex world. The simple use of a process is not enough anymore. At the heart of any design, the implementation of strategies of meaning, the arrangement and the structure of elements are the key elements for the transmission of a message, a use and more largely a co-experience sustainable
Schipounoff, Nathalie. "Aimables startuppers : pour un monde meilleur ou une meilleure place ? : Ethnologie du mode startup dans un incubateur parisien". Thesis, Université de Paris (2019-....), 2019. http://www.theses.fr/2019UNIP7107.
Pełny tekst źródła« Change the world and make it a better place » is the leitmotif of all startupper wishing to convince investors. An IT (information technology) start-up is « a human institution designed to create a new product or service under conditions of extreme uncertainty » (Ries E). What does it mean then for a startupper to change the world ? Are the entrepreneurship and the success-for-all fantasy enough to take such a risk ?The hypothesis here retained is that the start-up mode observed in this research paper remains one of the instruments for a new form of elitism and adherence signs to exercice their capitalism power. The possibility for individuals to hope to make, by their work, the world a better place is at stake, while they are serving market capitalization, fundraising, if ever speculation in exchange for a best social position.To demonstrate it, the methods employed in this research hinge on four main axes :- An academic research, combine to a recurrent watch- A participating ethnological observation in a Parisian incubator for more than 15 months. - An ethnographic and semantic studies of anonymized posts shared on Facebook by startuppers and startups founders’ biographical monographs present during the field phase.In keeping with the « metamorphosed Village » of Pascal Dibie, this research intends to bring to the scale of an incubator « a singular approach bearer of universal » (Giust-Desprairies F), perspective on customs, rituals if ever beliefs of the startup nation and intends to demonstrate in what way the start-up mode has become a factory for new ambitious. At the root of the numerical utopia, the will to change the world has become today for the startuppers a marketing pitch.Nevertheless this study also glimpses in the postmodernism and the fact to become a startupper a form of resilience : certainly it is wanting to find back sense and a place among the best, but undoubtedly it is a tentative to reconcile the unreconcilable, render more human the dehumanization
Lamibrac, Adrien. "Étude des dégradations dans les piles à combustible PEMFC pendant les phases de démarrage/arrêt". Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0117/document.
Pełny tekst źródłaThis works contributes to the identification of the various degradation mechanisms in Polymer Electrolyte Membrane Fuel Cell during start-up and shut-down operations. Single start-ups and shut-downs are first analysed using a cell with segmented cathode current collectors. Thus, internal currents which occur during these operations can be measured. Carbon dioxide measured in the cathode exhaust gas reveals that they result partially from carbon oxidation. Another contribution is the reversible or non reversible redox reactions involving platinum. The heterogeneity of the non reversible platinum oxidation between the inlet and outlet of the cathode is evidenced by the in-situ monitoring of the Electrochemical Surface Area during long-term start-up and shut-down aging protocols. Post-mortem analysis reveals another level of heterogeneity, which concerns also carbon oxidation, between land and channel. From these experiments, it appears also that degradations are more important when gases are injected with a low velocity in the anode compartment and when air is used instead of nitrogen to flush the anode compartment during shut-down. The influence of the MEA characteristics on the extent of the degradation observed during these aging protocols is also analyzed. High platinum loading in the anode and high surface carbon electrodes accelerate the drop of the electrical performances, while increasing the cathode platinum loading limits their decay. Finally, numerical simulations of start-ups complete the experimental results. Reversible platinum oxidation was found to be one of the main contribution to the internal currents
Barleto, Canizela Guimaraes Tatiane. "Dynamiques sociales et ajustements stratégiques en contexte d'innovation : analyse de la coopétition dans une communauté de pratique inter-organisationnelle au Brésil". Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC0004/document.
Pełny tekst źródłaCommunity of practice (CoP) is defined as a potential space for cooperation between peers favoring the access to knowledge and allowing the development of innovation. A CoP, which can also be seen as an informal network of cooperation, could be interesting for startups that suffering with the lack of resources and that are deficient in their innovation process, especially when they are far from potential innovation partners. However, the issue of competition cannot be disregarded in their inter-organizational context. Furthermore, the literature on communities of practice has not yet addressed this paradoxical dynamic in which there is presence at the same time of cooperation and competition logics. Moreover, the literature of coopetition does not well explore this kind of dynamics in informal networks. Thus, the goal of this thesis is to study the effect of coopetition on the social dynamics of inter-organizational CoPs in an innovation context. This study is based on an exploratory and longitudinal case study that was conducted at San Pedro Valley (Brazil), which is a CoP of innovative startups in the information technology sector. The analysis of this case study allows us to construct a categorization of different relationships of coopetition that exist in the inter-organizational CoP. Even if the participation of entrepreneurs, which are members of this informal network, allows the strategic adjustment of their companies in issues related to the innovation projects, some relations will progressively modify the crucial characteristics of the CoP due to the forthcoming of tensions and conflicts. One of the main results of this thesis is a new light at the functioning of CoP at the inter-organizational level showing how the coopetition strategies is developed in informal networks. Another result includes an individual-level to understand the drivers of coopetition, and then the study provides insights about the informal relationship in the scope of coopetition strategy. It is also worth mentioning methodological contributions based on the use of a "netnography" approach to entrepreneurial social networks, as well as managerial contributions to entrepreneurs, allowing a better understanding of their innovation ecosystem
Cohen, Laurence. "Le co-investissement par des Business Angels et des Capital-investisseurs dans les jeunes entreprises technologiques et trajectoires de croissance : approche en termes de gouvernance d'entreprise et études de cas comparatives". Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE3073.
Pełny tekst źródłaIn their seed, young technological ventures seeking resources to finance their development may seek business angels (BAs) and venture capitalists (VCs). Our research shall include the type of investment (only BAs, BAs and VCs in sequential or simultaneous co-investment) implemented and this leads to the question of the nature and the quality of the relations and interactions among various categories of investors and the entrepreneur, in the sense that these investors may influence the dynamic of growth, and be themselves influenced by that dynamic. It implies that the pace and intensity of the venture growth of the young technological ventures do not have any kind of determinism, but they develop rather in a dynamic manner within the field of the interaction between the main providers of resources. We jointly mobilize agency theory and cognitive and effectual approaches in order to analyse the co-investment of BAs and VCs. We conducted a multiple-case study with a comparative aim concerning three young companies of the Rhône-Alpes Region. We have shown that, when the cognitive schemes of the BAs and / or the entrepreneur are close to that of the VC, the relations and interrelations can occur to a lesser cognitive cost during the pre-investment phase and that the sequential or simultaneous co-investment may take place. Our results indicate that a funding by BAs is associated with a slower venture growth and that a sequential co-investment allows the stabilisation of the venture growth without a very high growth for the company. We are also highlighting that when the BAs and / or the VCs recognize the high growth potential of the young company very early in the investment process the VCs really need to integrate the BAs who have a specific experience, like their entrepreneurial past and their knowledge of the sector. The predictive approach of these three stakeholders: entrepreneur, VCs and BAs promotes the implementation of a simultaneous co-investment. In this context, the investors (BAs and VCs) can serve as active partners alongside the entrepreneur and help ensure that the young company follows a high venture growth, or even a hyper growth
Morawski, Longino. "Cultural distance and organizational culture in the context of transnational companies in the startup phase in Brazil". Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0112.
Pełny tekst źródłaThis doctoral study is the result of the union between successful practice as an executive, which occurred successively for more than 15 years in different global companies, and the theoretical sources of recommendation of best practices in the information and communication sciences, administration of companies, and of gurus in several areas of knowledge related to the subject.It directly addresses the support pillars, as well as the critical success and failure points for business implementation in Brazil - mainly in restructurings and startups of global companies - related to strategies for implementing new business, governance, culture of results, organizational structure, management and leadership.This study demonstrates the unique impact of organizational structure and culture on the effectiveness of a new business and the commitment and engagement of employees and their impact on results, due to these two factors.It points out opportunities for innovation, addressing new trends in networking that require greater flexibility and fundamentally greater integration between the country of origin and the country of entry