Are international borders barriers to capital flows? We use evidence on net capital flows among regions within a country as a benchmark. For this purpose we develop a data set of saving and investment rates of Japanese prefectures. We find that the correlation between saving and investment rates...

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...

We explore three hitherto poorly understood characteristics of the human trafficking market - the cross-border ease of mobility of traffickers, the relative bargaining strength of traffickers and final buyers, and the elasticity of buyers' demand. In a model of two-way bargaining, the exact...

Borders have a sizable negative impact on trade flows. Given the vast number of individual goods potentially traded, this border effect could have two possible explanations: (1) less international than domestic trade in the goods that are actually traded between countries (flow), or (2)...

This paper presents concepts from economic analysis that shed light on the formation and breakup of sovereign states. First, we discuss the key trade-off between economies of scale in the provision of public goods and political costs from heterogeneity of preferences. Second, we present four...

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...