Which firms find it optimal to integrate their input suppliers into the firm boundaries of control (vertical integration)? Which firms choose to expand their sourcing activities across the national border (offshoring)? This letter provides novel evidence on these questions based on a Spanish...

We explore the role of trade in differentiated final goods as well ollshoring of tasks for inequality both within and between countries. We emphasize the distinction between managerial and production labor. Managerial labor is a fixed input while production labor is a variable input. Following...

The policy debate views offshoring as job destruction. Theoretical models of offshoring mostly assume full employment. We develop a model of task trade that allows for equilibrium unemployment. In this model, there are two margins of adjustment. At the extensive margin, moving tasks offshore...

Will the incentives to pursue strategically motivated trade or industrial policies rise of rall if countries integrate? Economists have emphasized that one of the principal channels for welfare gains of Europe 1992 is a reduction of intra-European real trade coosts. This paper identifies the...

This paper investigates international fragmentation in a modeling framework where the multi-stage nature of industrial production is made explicitly, and where the engineering sequence of stages is juxtaposed with a sequence of increasing economic incentive for international fragmentation....

This article unifies two approaches for identifying the welfare and wage effects of immigration, one emphasizing the immigration surplus, the other stressing a potential welfare loss due to a terms-of-trade effect. We decompose the native welfare effect into a standard complementarity effect,...

World trade evolves at two margins. Where a bilateral trading relationship already exists it may increase through time (intensive margin). But trade may also increase if a trading bilateral relationship is newly established between countries that have not traded with each other in the past...

This paper takes a welfare-view on eastern enlargement of the EU, focusing on incumbent countries. Enlargement is decomposed into three elements: Single-market integration on commodity markets, budgetary costs from EU-expenditure policies, and single market- induced migration from new to present...