An important class of active labor market policy has received little impact evaluation:
immigration barriers intended to raise wages and employment by shrinking labor supply …

In the 1920s, the United States substantially reduced immigrant entry by imposing
countryspecific quotas. We compare local labor markets with more or less exposure to the …

This paper studies the effect of emigration on technological change in sending locations
after one of the largest migration events in human history, the mass migration from Europe to …

Since the 2000s, there has been an increasing number of returning and migrant farmers
across China. In 2012, China initiated a program for fostering professional farmers, which …

This paper studies the impact of labor supply on the creation of new technology, exploiting a
large exogenous shock to the US agricultural labor supply caused by the termination of the …

In the 1920s, the United States substantially reduced immigration by imposing country-
specific entry quotas. We compare local labor markets differentially exposed to the quotas …

We study the impact of US immigration enforcement through a locally-implemented program
known as 287 (g) on agriculture using confidential farm-level data and farm census data. We …

We analyze sectoral labor reallocation and the reversal of urbanization in the United States
during the Great Depression. The widespread movement to farms, which serves as a form of …

This paper provides a comprehensive analysis of the dynamic labor market effects of one of
the largest forced population movements in history, the mass inflow of eight million German …

Repeated use of the same potentially related instrumental variables by a literature can"
collectively invalidate" these instruments. This paper examines two ways in which this can …