This paper presents a first attempt at understanding some of the many issues involved in the granting of an amnesty to illegal immigrants. We consider government behavior with respect to allocations on limiting infiltration (border control) and apprehending infiltrators (internal control) and...

The social contract of the welfare state can be strained by the arrival of immigrants who receive welfare payments financed by citizens’ taxes. We show, however, that the presence of unemployed immigrants receiving welfare payments is consistent with social harmony. The social harmony, which...

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...

We investigate a setting in which members of a population, bifurcated into a majority and a minority, transact with randomly matched partners. All members are uniformly altruistic, and each transaction can be carried out cooperatively or through a market mechanism, with cooperative transactions...

This paper addresses the question: Why and where do immigrants cluster? We examine the relative importance and interaction of two alternative explanations of immigrant clustering: (1) network externalities and (2) herd behavior. We advance the theory by presenting a framework encompassing both...

Migration networks are usually captured by the number of people from the migrant’s country in the host region. Using Mexican migration data, we analyze the effects of the usual network variable and two additional origin-village-specific variables on migrants’ location choice.

We focus on high school dropout rate among male and female immigrant children. We consider the relationship between the dropout rate and age of arrival of the immigrants. Using repeated cross sectional data from the Israeli Labor Force Surveys of 1996-2011 we show that the share of high school...

Economic outcomes are compared for university graduates in Israel belonging to four different ethnic groups. A unique dataset is used that includes all individuals who graduated with a first degree from universities and colleges in Israel between the years 1995 and 2008 and which tracks them for...

Recently, Constant, Gataullina, and Zimmermann (2009) established a new method to measure ethnic identity which they called the "ethnosizer". Using information on an individual's language, culture, social interactions, history of migration, and ethnic self-identification, the method classifies...

Donor aid organizations (DAOs) are multi-layered and multi-dimensional bureaucracies with many departments trying to find solutions to problems for countries, investing staff resources and effort into having an effect. A department may come into conflict with other departments because of...