We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation is entering into a new foreign region for innovative...

This paper examines the effects of port development on the economy. By using scarce local land intensively, ports put pressure on local land prices and crowd out other forms of economic activity. We use the introduction of containerized shipping – a technology that substantially increased land...

Transport infrastructure facilitates the fast flow of goods and people across space, but it also occupies extensive amounts of land. This may drive up land rents and crowd out other economic activity. Using the introduction of containerized shipping – a relatively land-intensive technology...

This article studies the impact of immigration restriction policies on technology adoption in sending countries. From 1920 to 1921, the number of Italian immigrants to the United States dropped by 85% after Congress passed the Emergency Quota Act, a severely restrictive immigration law. In a...

We study the effects of technological change on immigration flows as well as the labor market outcomes of migrants versus natives. We analyse and compare the effects of two different automation technologies: Industrial robots and artificial intelligence. We exploit data provided by the...

This article studies the impact of immigration restriction policies on technology adoption in sending countries. From 1920 to 1921, the number of Italian immigrants to the United States dropped by 85% after Congress passed the Emergency Quota Act, a severely restrictive immigration law. In a...

Does access to information and communication technologies (ICT) increase innovation? We examine this question by exploiting the staggered adoption of BITNET across U.S. universities in the 1980s. BITNET, an early version of the Internet, enabled e-mail-based knowledge exchange and collaboration...

We introduce the revised version of the KOF Globalisation Index, a composite index measuring globalization for every country in the world along the economic, social and political dimension. The original index was introduced by Dreher (2006) and updated in Dreher et al. (2008). This second...

The debate on trade wars and currency wars has re-emerged since the Great recession of 2009. We study the two forms of non-cooperative policies within a single framework. First, we compare the elasticity of trade flows to import tariffs and to the real exchange rate, based on product level data...

Using estimates of support for Leave across UK local authority areas constructed from a comprehensive 20,000 strong survey, we show that both the level and the geographic variation capturing differential degrees of support for Leave have changed significantly since the 2016 EU referendum. A lot...