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...

This thesis addresses several issues raised by the introduction in France of economic incentives such as pay-For-Performance applied to general practice. These incentive schemes are designed to improve the quality of care, but they are discussed both in terms of effectiveness and potential side...

This thesis aims to undertake an economic analysis of private medical practice while stressing on elements, which in our view, remain unsaid or unrecognised. It is about an institutional analysis, based on the historic and social embedding of the health. After presenting the specificities of...

The private long-term care insurance (LTCI) market is a puzzle, in France and in several developed countries (United-States, Spain, etc. . . ). The long-term care insurance market is small, yet long-term care is one of the largest uninsured financial risks facing the elderly. In addition public...

This work takes the perspectives of economics and public health to study issues related to the quality of hospital care.The first chapter introduces the concept of quality of care in economics and public health. We show that the two fields use similar definitions of the concept but explore...

Welfare economics encompasses other public choice theories besides utilitarianism, like egalitarian social justice theory. Whether these economic frameworks provide practical tools that could be used in health technology assessment is an ongoing debate, and this study aim to contribute to answer...

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...

High prices and insufficient quality of care are observed in nursing homes in France. Reforms are currently under discussion, but governments are facing a dilemma : any measure of price cut is likely to affect quality and any improvement in quality would probably be inflationary. This work...

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...

Despite the fact that real estate is the largest asset class in our economy, it is one of the few that do not have a mature derivatives market. Recent academic studies have shown that the lack of understanding of real estate derivatives’ prices is the main reason for the absence of a market....