This paper reviews the recent literature on rural-urban migration in developing countries,
focusing on three key questions: What motivates or forces people to migrate? What costs do …

Abstract The United States has long been perceived as a land of opportunity for immigrants.
Yet, both in the past and today, US natives have expressed concern that immigrants fail to …

The recent digitization of complete count census data is an extraordinary opportunity for
social scientists to create large longitudinal datasets by linking individuals from one census …

We study the effects of European immigration to the US during the Age of Mass Migration
(1850–1920) on economic prosperity. Exploiting cross-county variation in immigration that …

In recent years, China has witnessed fierce competition for talents among cities. There is
evidence that China's first-tier cities are losing their appeal for young talents due to the …

We propose an index of population diversity based on people's birthplaces and decompose
it into a size (share of immigrants) and a variety (diversity of immigrants) component. We …

We review the growing literature on the political economy of immigration. First, we discuss
the effects of immigration on a wide range of political and social outcomes. The existing …

Will economic development in poor countries cause less migration, or more? this simple
question has tremendous relevance to the future of migration policy as the world develops …

Refugees have rarely been studied by economists. Despite some pioneering research on
the economic lives of refugees, there remains a lack of theory and empirical data through …

During the Age of Mass Migration (1850–1913), the United States maintained an open
border, absorbing 30 million European immigrants. Prior cross-sectional work finds that …