Uniquely amongst industrialized countries worldwide, Germany does not impose a general speed limit on highways. This is different in the Netherlands, where a limit of 130km/h is implemented. The direct border between the two countries provides an opportunity to construct a natural experiment and...

A set-aside restricts participation in procurement contests to targeted firms. Despite being widely used, its effects on actual competition and contract outcomes are ambiguous. We pool a decade of US federal procurement data to shed light on this empirical question using a two-stage approach. To...

This study presents a preliminary estimate of user costs of forestland conversion for agricultural purposes for the period 1970-80 in Brazil. In this initial version, only loss in potential sustainable wood output is considered. However, the analytical framework adopted here can be extended to...