This paper characterizes the interactions among studying abroad, return migration, and capital accumulation, in a two-country overlapping generations model with households of heterogeneous ability. The model exhibits positive selection of migration status (i.e., permanent, return, and...

We formulate a two-country, two-good, two-factor, two-period-lived overlapping generations model to examine how population aging determines the pattern of and gains from trade. We obtain two main results. First, the aging country endogenously becomes a small country exporting the...

To provide sharp answers to basic questions in international trade, a standard approach is to focus on a small open economy (SOE). Whereas the classic tradition is to define a SOE as an economy that takes world prices as given, in the modern trade literature a SOE is defined instead as one that...