Gains from productivity and knowledge transmission arising from the presence of foreign firms has received a good deal of empirical attention, but micro-foundations for this mechanism are weak. Here we focus on production by foreign experts who may train domestic unskilled workers who work with...

We propose and solve a simple model of firm-level decisions to offshore production stages of lower skill intensity than that of activities that remain in the domestic location. In theory, offshoring is optimal only for the more productive among heterogeneous firms if it entails a fixed cost. In...

This new model of international trade patterns is based on differing relative labor costs derived from differing endowments of skilled and unskilled labor, when labor is in elastic supply because of social support systems. All factors other than labor are assumed to be mobile across frontiers;...

Using the first two waves of the Vietnam Living Standards Survey, we investigate how a father’s temporary absence affects children left behind in terms of their school attendance, household expenditures on education, and nonhousework labor supply in the 1990s. The estimating subsample is...

Failure in the training market may result from credit constraints and the inability to insure against labour income uncertainty, deterring potential trainees, or labour market imperfections that create external benefits for firms. This paper constructs a model of a training market affected by...

We explore the role of human capital investments in the location decisions of firms. We show that whether human capital investments act as a force for or against concentration depends on who is undertaking them and whether they are industry- or firm-specific. We also discuss the empirical...

We construct a simple model where political elites may block technological and institutional development, because of a ‘political replacement effect.’ Innovations often erode elites’ incumbency advantage, increasing the likelihood that they will be replaced. Fearing replacement, political...

We exploit regional variation in suitability for cultivating potatoes, together with time variation arising from their introduction to the Old World from the Americas, to estimate the impact of potatoes on Old World population and urbanization. Our results show that the introduction of the...