This paper analyzes the decision of a migrant to return or stay within the framework of a signaling model withexogenous migratory costs. If employers have only imperfect information about the type of a worker and goodworkers migrate, bad workers might copy their strategy in order to get the same...

Since 2002 Russian metallurgical firms have been investing abroad. Taking advantage of the very positive economic climate in the sector, they settle in peripheral as well as in core countries of the world economy. Russia has upgraded from the 50th to the 24th rank between 1995 and 2004 as far as...

The paper states that, although Post Keynesian interest rules may be feasible and sustainable in favourable circumstances, there is a shared difficulty as for the setting of long-term interest rates in a context of strong uncertainty and shifting liquidity preference. According to Keynes theory...

We analyze the incentives of a controlling shareholder of a firm to acquire, directly or indirectly through his firm, shares in a competitor. We charaterize the conditions under which these partial acquisitions as well as the equilibrium toehold and its nature: controlling or silent. We find...

The growth regime which prevailed in France since the middle of the 1980s is characterised by a recovery of profitability without durable resumption of growth or accumulation of productive capital. The financialization of this growth regime can be read in firms' balance sheet structure with...

Orthodox economics rests on the belief that if markets were fully competitive, there would be general efficiency. The current financial malfunctions, accordingly, would not result from free competition, but rather from insufficient competition. This statement is strong, for it rests on a...

While many studies have been devoted to capital accumulation and rate of profit, the article empirically characterises the financialization at the level of firms' liability, i.e. at the level of debt and equity. In particular, the determinants of non financial firms' indebtedness and equity...

This paper examines the institutional and economic factors determining success and failure of global retailers abroad through the trajectories of Wal-Mart and Carrefour. Three kinds of explanations are considered : the time and modalities of entry and development, the factors that allow the...

We study a class of robust, or worst case scenario, optimal control problems for jump diffusions. The scenario is represented by a probability measure equivalent to the initial probability law. We show that if there exists a control that annihilates the noise coefficients in the state equation...

This article questions the rather pessimistic conclusions of Allen et Carroll (2001) about the ability of consumer to learn the optimal buffer-stock based consumption rule. To this aim, we develop an agent based model where alternative learning schemes can be compared in terms of the consumption...