In this thesis we deal with different topics in financial mathematics, that are all related to market imperfections and to the fundamental technique of utility maximization. The work consists of three parts. In the first one, which is based on two papers, we consider the problem of optimal...

The French National Research Agency is a public organisation devoted to competitive research projects. This funding agency is part of the incentive public policy dedicated to research. In the current context of rationalization of public funding, this organisation supports the efficiency of the...

We study the question of collusion in auctions. We start by presenting a model of a first price auction with complete information and direct asymmetric externalities. Following a non-cooperative approach we study the negotiations process which yields a cartel. We show that in the presence of...

The goodwill is, by nature, complex since this notion encompasses two realities: the first is an economic concept – the expected present value of economic profits – the second is an accounting aggregate – the excess of the acquirer’s purchase price over the fair values of the target’s...

The objective of this thesis is the positive and normative analysis of the organization of military research, development and technology, in France, in the present period. The research tackles theoretical and empirical questions related to knowledge economics and the organisation of R&D. It is...

Within the field of strategy, the thesis deals with the role of social movements inthe process of deinstitutionalization through the concept of repertoire of tactics. This research studies how social movement actions lead to the delegitimization of a taken for granted practice. We focus on the...

This PhD thesis focuses on the impact of the European Union Emissions Trading Scheme (EU ETS) on investment decisions in the European power sector. We provide the policy background on the EU ETS and contemporary policy and economic developments. We discuss the main types of compliance buyers’...

Interprofessional collaboration (IPC) is an innovating concept which emerges in organization and management theory and which is mostly applied to the health sector. As a response to the evidence found in the literature as to the lack of precise definitions of IPC and to the existence of many...

The work of maintaining institutions has been barely studied by neo-institutional analysis. We propose to enrich this notion thanks to the empirical study of credit rating. The credit rating industry is characterized by a paradox that lies in the opposition between the permanence that comes with...

The dissertation purports to address how every day conduct reflects influences of ethnicity on Accountability practices. Accounting is treated as a discursive system in which individuals speak about themselves in Terms of asset-liability, debit-credit, income, value. Thence, I am purporting...