According to economic research, the general practitioner is considered as an agent that offered information and intellectual services in health to principals. Imperfect convergence between their objectives, like the presence of uncertainties and information asymmetries, lead the physician “to...

While the insurance demand is very well documented in other countries, French research in this area is scarce, mainly because of the difficulty to have access to detailed data. This PhD uses data provided by a major health insurance company. We first build a joint modelling for both insurance...

This thesis proposes to determine the effect of the Health insurance reform in Tunisia on pharmaceutical demand and supply. For this purpose, we present the main characteristics of the Tunisian pharmaceutical market, with describing the objectives and modalities of implementation of Health...

Consumption is not only utilitarian but symbolical indeed cultural, this dissertation explains in depth what French young women from Maghreb feels in their ethnic consumer experiences. This research highlights and defines the concept of intercultural inhibition arising at these young women and...

This thesis deals with different problems related to markets with transaction costs and is composed of four parts.In part I, we begin with the study of assymptotic hedging a European option in a local volatility model with bid-ask spread.In part II, we study the optimal consumption problem in a...

Marketing has been given a strong interface and connection role within the literature, creating the assumption of a naturally “open” marketing. However, specifically, the opening of the marketing organization is not so obvious. In a theoretical paper, Day (2011) introduces the Open Marketing...

After generics, which are copies of chemical medicines, "copies" of already patented biologics (biosimilars) are entering the biologics market and competing with their originators. Many uncertainties remain regarding the development of this newly emerging market, and the ability of biosimilars...

This dissertation focuses on the managerial practices of the Lebanese SMEs leaders. It pursues the overall goal of understanding how, in a crisis marked by rapid change and various uncertainties, these leaders manage to survive and strengthen the resilience of their businesses. From here comes...

Marketing has been criticized for its lack of accountability, which is qualified by a misalignment with strategic objectives. Most of the researches propose that marketing accountability must be reinforced with more performance measures. In this doctoral thesis, we employ a different approach in...

In this dissertation, we analyze the social construction of a market of TV programs in Sub-Saharan Africa. Based on the study of a trade fair where buyers (TV channels, distribution intermediaries) and sellers of TV programs (studios, distributors and independent producers) can meet, negotiate,...