La finance est aujourd'hui au cœur de la polémique : certains la rendent responsable de la plus grave crise économique depuis la grande dépression des années trente alors que d'autres estiment qu'elle impose un véritable diktat aux États et que son emprise sur l'économie est devenue...

cet article examine le rôle des différents acteurs qui interviennent dans la formation du cours de bourse et les mécanismes institutionnels qui concourent à la formation des jugements.

We examine the impact, on commodity derivative markets, of two financial crises: the Subprime crisis and the bankruptcy of Lehman Brothers. These crises are "external" for commodity markets: they appeared in the financial sphere. Still, because now commodity markets are highly integrated,...

This paper presents a model to analyze the consequences of competition in order-flow between a profit maximizing stock exchange and an alternative trading platform on the decisions concerning trading fees and listing requirements. Listing requirements, set by the exchange, provide public...

We propose a model of seasonal gas markets which is flexible enough to include supply and demand shocks while also considering natural gas as an exhaustible resource. Using US data, we estimate the model’s structural parameters and test economically founded restrictions. We analyze,...

The question of financing innovative small business is determinant in the current context. Giving the share that they represent in the market, they contribute to increase productivity of the economy. The problems of financing the SME’s are related to the almost intangible specificity of their...

Privately informed owners securitizing assets signal positive information by retaining sufficient interest. Signaling provides social benefits, allowing uninformed investors to insure without fearing adverse selection. Instead of signaling, owners of high value assets may prefer a pooling...

This article examines how the introduction of an ETF replicating a stock index impacts on the liquidity of the underlying stocks when the ETF market involves liquidity providers (LPs). We find that index stock spreads decline, relative to those of non-index stocks, after the introduction of the...