The demographic history of the Jews in the Middle Ages may be characterized by two main phenomena: i) a sharp drop in the number of Jews until the beginning of the modern period, due mainly to conversions; and, ii) early urbanization. Until now, these features have been analyzed as primarily...

Societal theories of trade policy stress the importance of domestic interest groups, whereas statist theories focus on the effects of domestic institutions. Debates over the relative merits of these approaches have been fierce, but little systematic empirical research has been brought to bear on...

In this paper, I discuss transnational mobility using a perspective that emphasizes conflicts at macro, mezzo and micro levels while seeking ways in which such a conflict model of migration can be developed. I outline areas involving different degrees of conflict which are better seen on a...