This paper builds a theory of the distribution of TFP across countries. The theory is based on the hypothesis that TFP improvements in a given country follow a Nelson-Phelps specification: they derive from past investments in the country itself and, through a spillover term, from past...

This paper analyzes how institutional differences affect university entrepreneurship. We focus on ownership of faculty inventions, and compare two institutional regimes; the US and Sweden. In the US, the Bayh Dole Act gives universities the right to own inventions from publicly funded research,...

Over the past two decades, the U.S. stock market has been shrinking as the public firm model has begun to fall out of favor. We develop a political economy model of delistings to study the wider economic consequences of this trend. We show that the private and social incentives to delist firms...