In this paper a model with an influent and informed investor is presented from a hedging point of view. The financial agent is supposed to possess an additional information, and is also supposed to influence the market prices. The problem is modeled by a forward-backward stochastic differential...

In this paper, we analyze the effect of Cournot competition with differentiated products on the real and financial decisions of a publicly-owned firm, with three different structures in the financial market : monopoly, duopoly and Stackelberg. We shows that the degree of product differentiation...

In this paper, we study the real and financial effects of insider trading in the spirit of Jain and Mirman (1999). Unlike the previous works that address this issue, we suppose that the production of the real good is costly and depends mainly of the price of an intermediate good produced locally...

We study an extension of Jain and Mirman (1999) with two insiders under three different market structures : (i) Cournot competition among the insiders, (ii) Stackelberg game between the insiders and (iii) monopoly in the real market and Stackelberg in the financial market. We show how the...

This paper presents a study intended to demonstrate how the Financial Market Authority (AMF) in France uses its regulatory and sanctioning powers with regard to brokers, listed companies and other actors (individuals) in the financial industry during the period 2006-2011. The AMF actions are...

Open market share repurchases are strictly regulated to prevent companies from profiting from insider information. We examine compliance with these rules in France, where the mandatory disclosure of share repurchases provides detailed information on repurchases actually undertaken. Using a...

One answers to an open question of Herings et al. (2008), by proving that their fixed point theorem for discontinuous functions works for mappings defined on convex compact subset of $\R^n$, and not only polytopes. This fixed point theorem can be applied to the problem of Nash equilibrium...