Defensive innovations in developed countries can explain the empirical phenomenon that openness towards trade with less-developed countries does not necessarily induce a substantial increase in the wage differential and trade volumes. Building on step-by-step innovations as introduced by Aghion...

This paper contributes to the debate on the effects of trade versus technological change on wage differentials. We propose an explanation of the stylized facts which is based on interactions between openness and technological change because of labor market institutions and government...

This paper argues that the effect of openness to trade on process innovations and skill premia importantly depends on the structure of labor markets in developed countries. Openness to trade with less developed countries is often modelled as a fall in the relative price of unskilled-labor...