When instruments are weakly correlated with endogenous regressors, conventional
methods for instrumental variables (IV) estimation and inference become unreliable. A large …

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 …

Forced migration as a consequence of wars, civil conflicts, or natural disasters may have
consequences different from those of voluntary migration. Recent work has highlighted the …

During the late eighteenth century, innovations in Europe triggered the Industrial Revolution
and the sustained economic progress that spread across the globe. While much has been …

A large literature on persistence finds that many modern outcomes strongly reflect
characteristics of the same places in the distant past. However, alongside unusually high t …

This paper provides a comprehensive analysis of refugee migration, with emphasis on the
current refugee crisis. After first reviewing the institutional framework laid out by the Geneva …

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 …

While human capital is a strong predictor of economic development today, its importance for
the Industrial Revolution has typically been assessed as minor. To resolve this puzzling …

We study a reform that granted European cross-border workers free access to the Swiss
labor market and had a stronger effect on regions close to the border. The greater …

We study the long-run effects of forced migration on investment in education. After World
War II, millions of Poles were forcibly uprooted from the Kresy territories of eastern Poland …