This paper assesses the role of a larger degree of common language use between the populations of two countries on the so-called extensive product margin of trade. We focus on the overlap of products exported or imported between any pair of countries. The results suggest that the effect of...

Patient mobility is a key issue in the EU who recently passed a new law on patients’ right to EU-wide provider choice. In this paper we use a Hotelling model with two regions that differ in technology to study the impact of patient mobility on health care quality, health care financing and...

Immigrants in many countries have lower employment rates and lower earnings than natives. We study whether a more liberal access to citizenship improves the economic integration of immigrants. Our analysis relies on two major immigration reforms in Germany, a country with a weak record of...

Does granting birthright citizenship help immigrant children integrating in the host country's educational system? We address this question using a reform of the German naturalization law in 1999 that entitled children born after January 1, 2000 with birthright citizenship. We use a...

Inequality of opportunity, particularly when overlaid with racial, ethnic, or cultural differences, increases the social distance between individuals, which is widely believed to limit the scope of cooperation. A central question, then, is how to bridge such divides. We study the effects of a...

We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation is entering into a new foreign region for innovative...

Immigrant children often face educational disadvantages that stem from their parents' decision-making. For example, in many immigrant-receiving countries, immigrants are less likely than the native-born to enroll their children in preschool programs or enable them access to higher education....

This paper studies the role of culture in shaping unemployment outcomes. The empirical analysis is based on local comparisons across a language barrier in Switzerland. This Röstigraben separates cultural groups, but neither labor markets nor political jurisdictions. Local contrasts across the...

We develop and empirically test a theory concerning individual beliefs about whether immigrants should culturally assimilate into the host society or preserve their own cultural norms. We argue that when national identity is a source of intrinsic utility, the longevity of national identity...