This paper assesses the current state of evidence on the widely debated issue of the impact of trade policy reform on poverty in developing countries. There is relatively little empirical evidence addressing this question directly, but a lot of related evidence concerning specific aspects. This...

There is a large body of evidence indicating that cross-country differences in income levels are associated with differences in productivity. If workers are much more productive in one country than in another, restrictions on immigration lead to large efficiency losses. The paper quantifies...

U.S. immigration law is premised on the fundamental idea that it is permissible, desirable, and necessary to restrict immigration into the United States and to treat borders as a barrier to entry rather than a port of entry. In this article, Professor Johnson seeks to add to the scholarly...

There is a large body of evidence indicating that cross-country differences in income levels are associated with differences in productivity. If workers are much more productive in one country than in another, restrictions on immigration lead to large efficiency losses. The paper quantifies...