We study entrepreneurship and growth through the lens of U.S. cities. Initial entrepreneurship correlates strongly with urban employment growth, but endogeneity bedevils interpretation. Chinitz (1961) hypothesized that coal mines near cities led to specialization in industries, like steel, with...

Introduction / Edward L. Glaeser, Tano Santos, and E. Glen Weyl -- Stochastic compounding and uncertain valuation / Lars Peter Hansen and José A. Scheinkman -- The good banker / Patrick Bolton -- How to implement contingent capital / Albert S. Kyle -- Bankruptcy laws and collateral regulation:...