In this paper, I study the wage a firm sets to attract high abilityworkers (hipo's) in situationsof unemployment. I show that the higher unemployment, the larger afirm's incentives to sorthigh and low ability workers. Moreover, workers will signal their(high) ability in situationsof (high)...

The word fragmentation refers to a splitting up of a verticallyintegrated production process such that the separatefragments can be traded on markets. This paper is concerned withinternational fragmentation, generally allowing gainsfrom a finer division of labor based on comparative advantage...

We depart from the trade and wages literature and its emphasis on North-South trade, examining North-North by developing the basic linkages between trade-based integration and relative wages in an Ethier-type division of labor model. Using this model we identify a formal relationship between...

This paper explores the link between trade structure, trade specialization and per capita incomegrowth. It is argued that industrial upgrading in export specialization patterns has a positive long-rungrowth effect, while the effect of structural change in industrial import patterns is in...

I model optimal product-market competition policy when industriesdiffer inthe potential for quality-improving technological advance. In a two-periodmodel, a competition authority with limited resources administers adeterrence-based competition policy toward two industries. In one...