Like any trade activity, migration tends to generate gains to all parties involved - the migrants as well as the native-born population. With a mal-functioning labour market, however, migration will exacerbate the imperfections in the market. Consequently, it may lead to losses to the...

The paper develops a model with ¡§lumpy¡¨ setup costs, which govern the flow of bilateral foreign direct investment (FDI). Every country is potentially both a source for FDI flows to several host countries, and a host for FDI flows from several source countries. But technologically-advanced...

We develop a framework in which the host-country productivity has a positive effect on the intensive margin (the size of FDI flows), but only an ambiguous effect on the extensive margin (the likelihood of FDI flows to occur). The source-country productivity has a negative effect on the extensive...

The aging of the population shakes the public finance of pay-as-you-go social security systems. We develop a political-economy framework in which this demographic change leads to the downsizing of the social security system, and, as a consequence, to the emergence of supplemental individual...

Migration of young workers (as distinct from retirees), even when driven in by the generosity of the welfare state, slows down the trend of increasing dependency ratio. But, even though low-skill migration improves the dependency ratio, it nevertheless burdens the welfare state. Recent studies...

The intratemporal redistribution feature of the welfare state makes it an attractive destination for immigrants, particularly for low-skill immigrants. George Borjas (1994) reports that foreign-born households in the United States accounted for 10 percent of households receiving public...