Unconditional and conditional quantile regressions are used to explore the determinants of labour earnings at different parts of the distribution and, hence, the determinants of overall labour earnings inequality. The analysis combines several household surveys to provide comparable estimates...

Why do larger corporations have more layers in their hierarchy? My contention in this paper is that hierarchies arise because economic agents have limited ability to anticipate and ascertain every possible contingency they are faced with. As a result, the complete contract may become too complex...

Bankers suffer a risk of non repayment of their credits to firms. This risk can be reduced during the two phases of the credit : at the time of the credit granting by a risk of failure analysis and the design of incentive contracts, and during its life, by an active monitoring of the credit.

Data from a field experiment are used to estimate the gain in productivity that is realized when workers are paid piece rates rather than fixed wages. The experiment was conducted within a tree-planting firm and provides daily observations on individual worker productivity under both copensation...

The role of field experiments in evaluating the effect of compensation policies on worker productivity is considered. Particular attention is paid to the ability of a field experiment to identify the effect of a permanent change in firm policy. While field experiments solve endogeneity problems...