The credit risk on the bond market is characterized by the possible default of a counterparty, but also by changes in the spread following a perceived deterioration, by the market, of the credit quality of the issuer. This thesis focuses on credit spreads on corporate bond market in euros....

The thesis presents a construction of a grid that discretizes the threshold model introduced by Geman and Roncoroni (2006) for electricity spot prices, incorporating both mean reversion and jumps, the direction of the latter depending on the price of the underlying at the time of the jump. The...

In this thesis, we propose to test a new behavioral explanation of the equity premium puzzle. This work is based on the heterogeneous beliefs model of Jouini and Napp (2007) according to which, pessimism of investors at the aggregate level leads to very important risk premiums. In this model,...

The subject of the thesis: “Evaluating Public Policies - Normative Models Beyond Cost Benefit Analysis” arise from the interest in the public policies and their construction, and in particular from the problem of how to evaluate them. The thesis, after a preliminary study of tools and...

The thesis explores the impact of heterogeneous beliefs on the equilibrium characteristics prevailing in economies made of irrational agents. In the first part, an economy providing investment opportunities in production of unrestricted supply and a bond of zero supply to both an optimist and a...

This PhD thesis considers the optimal trading problem from the stochastic control approach and consists of four parts. In the first part, we begin with the study of the impacts generated by volumes on the price process. We introduce a structural model in which price movements are due to not only...

This thesis studies portfolio choice and asset pricing with preferences which go beyond the standard expected utility and mean-Variance preferences. The first part of this thesis analyses a decision model in which the decision maker forms endogenous beliefs given his anticipation utility and his...

This doctoral thesis develops regime-switching models of the term structure of interest rates. A general framework is proposed to model the joint dynamics of yield curves associated with different debtors (Chapter 2). This framework is exploited to analyse the fluctuations of ten euro-area...

This thesis first presents India’s economy and financial system’s recent history and current issues. Then, with an emphasis on the recent turmoil period, it studies the question of financial integration in various markets: equity markets are dealt with in the 1st chapter, CDS spreads are...