This paper studies the effect of firm entry deregulation on the returns to skill and education. We exploit a comprehensive episode of entry deregulation, unique in the industrialized world, as a quasi-natural experiment. Using matched employer–employee data for the universe of workers and...

Most models of the allocation of imports over suppliers adopt a two-stage (separable) procedure in which a total imports function is estimated prior to the function allocating imports over suppliers. This procedure is tested for five countries' imports of manufactures and found wanting in four...