This doctoral thesis analyzes children welfare in Western African where societies are characterized by a large economic instability and an unequal access to resources among members of a same household. Exposure to high downside risk to income and livelihoods generates inter-generational poverty...

This work analyses the targeting performance and the impact evaluation of three projects. The first paper is about the water subsidies in the Republic of Congo. The study shows that the self-targeting scheme, using an Inverse Block Tariff structure has poor performance, indeed only those...

In developing countries, the complex interdependence of households, individuals and businesses makes the measurement of welfare dynamics challenging, especially over a long period, because economic activities are predominantly embedded in households. The context we have chosen, Madagascar...

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,...