The authors investigate the differences in margins of export and domestic markets for Spanish manufacturing firms in the period 1990 to 1997. They estimate jointly a multiproduct cost function, a variable factor share equation, and two price/marginal-cost margin equations. The results indicate...

Outsourcing of services is one of the most important phenomena that are reshaping firms boundaries in the last decades. This article assesses the reasons leading manufacturing firms to contract out some service activities instead of providing them internally. The theoretical framework, inspired...