This paper examines how interaction between endogenous human capital accumulation and technological change affects relative wages and economic growth. Private incentives to invest in human capital finance and employment of skilled labor in the education sector, while non-rival technology a...

This paper provides a novel explanation forthe formation of protectionist lobby groupsin imperfectly competitive sectors. Thelevel of collusion is shown to be a crucialdeterminant of the ability of firms tosustain lobbying. We show that greatercollusion reduces firm contributionsto tariff...

We consider growth and welfare effects of lifetime-uncertainty in an economy with human capital-led endogenous growth. We argue that lifetime uncertainty reduces private incentives to invest in both physical and human capital. Using an overlapping generations framework with finite-lived...

Empirical evidence of the impact of borders on international trade flows using the gravity equation approach abounds. This paper examines the empirical relevance of state borders in U.S. interstate trade for various specifications of the gravity equation. We find a large and economically...