The objective of this thesis is to comprehend the behaviour of firms repurchasing their own shares, listed in Paris stock exchange, and liquidity contractors, by examining the impact of their trades on market liquidity and share return. More specifically, the thesis focuses on three elements...

This paper analyses the effects of labor intensity on a firm's operating risk and its expected stock returns. We isolate a pure labor intensity effect by using a relative measure with respect to the three-digit industry median level. We show that labor intensity is positively associated with...

We study the deterministic optimization problem of a profit-maximizing firm which plans its sales/production schedule. The Firm knows the revenue associated to a given level of sales, as well as its production and storage costs. The revenue and the production cost are assumed to be,...

This article uses recent survey data from the Kayes area (Western Mali) to estimate the effect of migration and remittances on the technical efficiency of agricultural households. A theoretical model is developed, which shows that the more insurance is provided by the migrants, the less...

Market prices make it possible to realise returns on capital investments in the electricity sector, but these prices may not necessarily be politically or socially acceptable. As a result, explicit or implicit price caps may be established. If these caps are effective, they may result in loss of...