Ethnic networks are a way of overcoming informal barriers to trade such as information costs, risk, and uncertainty by building trust and by substituting for the difficulty of enforcing contracts internationally. We study networks which emerge from the interaction (i) between migrants and...

In the first part of this paper, we present a stylised model of the labour market impact of immigration. We then discuss mechanisms through which an economy can adjust to immigration: changes in factor prices, output mix and production technology. In the second part, we explain the problems of...

In the first part of this paper, we present a stylised model of the labour market impact of immigration. We then discuss mechanisms through which an economy can adjust to immigration: changes in factor prices, output mix and production technology. In the second part, we explain the problems of...

This paper presents some of the many issues involved in the granting of an amnesty to illegal immigrants. Complementing studies by Chau (2001, 2003), Karlson and Katz (2003) and Gang and Yun (2006), we consider government behavior with respect to allocations on limiting infiltration (border...

In this paper we consider the interaction between local workers and migrants in the production process of a firm. Both local workers and migrants can invest effort in assimilation activities in order to increase the assimilation of the migrants into the firm and so by increase their interaction...

Population ageing affects most countries, especially developed ones. The elderly have increased in number as a result of increased longevity and a parallel decline in fertility. This phenomenon is placing an increasing burden on the young to finance intergenerational transfers to the old, which...

Population ageing affects most countries, especially developed ones. The elderly have increased in number as a result of increased longevity and a parallel decline in fertility. This phenomenon is placing an increasing burden on the young to finance intergenerational transfers to the old, which...

Many workers with low levels of educational attainment immigrated to the United States in recent decades. Large inflows of less educated immigrants would reduce wages paid to comparably-educated native-born workers if the two groups are perfectly substitutable in production. In a simple model...

For-profit firms are limited in their ability to hire new, foreign-born, highly-educated workers after quotas on H-1B work permits are met each year, though they are able to hire existing H-1B workers. Universities and other non-profit research institutions do not face the same restrictions....

This paper develops a model and derives novel testable implications of referral-based job search networks in which employees provide employers with information about potential job market candidates that they otherwise would not have. Using unique matched employeremployee data that cover the...