As of 2004 California employed almost 30% of all foreign born workers in the U.S. and was the state with the largest percentage of immigrants in the labor force. It received a very large number of uneducated immigrants so that two thirds of workers with no schooling degree in California were...

In this paper I first analyze the wage effects of immigrants on native workers in the US economy and its top immigrant-receiving states and metropolitan areas. Then I quantify the consequences of these wage effects on the poverty rates of native families. The goal is to establish whether the...

One critical aspect of economic development is that productivity growth and a rising standard of living are realized through more roundabout methods of production and increasing specialization of intermediate inputs and producer services. We use an extended version of the Judd-Grossman-Helpman...

From the beginning of the Covid-19 pandemic to late 2021, international immigration flows to the US decreased significantly. We document the timing and the characteristics of these significant changes in flows, their evolution until late 2022 and their geographic and sector distribution. We...

In this paper we analyze the economic effects of different immigration policies using a model that incorporates economic and policy features crucial to understanding the migrant flows into the US. We differentiate among the most relevant channels of immigration to the US: family-based,...

We examine the economic impact of the large migration of Puerto Ricans to Orlando after Hurricane Maria. Using a synthetic control approach, we find that employment in Orlando increased, especially in construction and retail, and find positive aggregate labor market effects for non-Hispanic and...

In this paper we study the impact of immigration to the United States on the vote for the Republican Party by analyzing county-level data on election outcomes between 1990 and 2010. Our main contribution is to separate the effect of high-skilled and low-skilled immigrants, by exploiting the...

The changes in technology that took place in the US during the last three decades, mainly due to the introduction of computerization and automation, have been characterized as "routine-substituting." They have reduced the demand for routine tasks, but have increased the demand for analytical...

There is a long-standing debate among academics about the effect of immigration on native internal migration decisions. If immigrants displace natives this may indicate a direct cost of immigration in the form of decreased employment opportunity for native workers. Moreover, displacement would...

This paper contains three important contributions to the literature on international migrations. First, it compiles a new dataset on migration flows (and stocks) and on immigration laws for 14 OECD destination countries and 74 sending countries for each year over the period 1980-2005. Second, it...