Sources: Debates on U.S. Immigration

The Effect of Immigration on Productivity: Evidence from US States

Using the large variation in the inflow of immigrants across US states we analyze the impact of immigration on state employment, average hours worked, physical capital accumulation and, most importantly, total factor productivity and its skill bias. We use the location of a state relative to the Mexican border and to the main ports of entry, as well as the existence of communities of immigrants...

Ethical Debates on Synthetic Biology

Background: As an emerging interdisciplinary area of science with a multitude of potential facilities and applications, synthetic biology integrates different disciplines with one another ranging from basic science to engineering. This interdisciplinary branch therefore encompasses sciences that require specific development and ethical approaches. Materials and Methods: Science management princ...

Lured in and crowded out? Estimating the impact of immigration on natives’ education using early XXth century US immigration

Immigration can impact educational decisions of natives through two different margins. First, it can increase the potential returns to education by generating a larger supply of unskilled workers, thus raising the relative wages of more educated individuals. Secondly, it can increase the cost of acquiring education through crowding out natives of public schools. We separate these two channels b...

Reconsidering US Immigration Reform: The Temporal Principle of Citizenship

The uncertain political status of America's millions of undocumented immigrants and their children has exposed deep and ongoing disagreement about how US citizenship should be accorded to foreign-born persons. I identify the principle of jus temporis, a law of measured calendrical time, that has worked in concert with jus soli and consent to construct citizenship law since the nation's founding...

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