In the early stages of economic development, the migration of unskilled workers contributes to labor-intensive manufacturing production. In middle-income countries, however, the migration of skilled workers becomes the more important factor in economic progress. Evaluating the skill content of...

The article presents a productivity analysis of Japanese wheat breeding research. We first estimate a hedonic function to determine the marginal implicit values of Japanese wheat characteristics and find that protein contributes substantially to millers' price offers to farmers. Induced...

In this study, we develop an economic model to examine agglomeration of heterogeneous firms following trade liberalization. In a closed economy, we show that high-productivity firms are more likely to agglomerate because they benefit more from agglomeration than their low-productivity...