More than 1,500 organizations and investors representing over $40 trillion in assets have committed to fossil fuel divestment to combat climate change. Will it work? This chapter explores whether divestment might induce green innovation, a critical component of transitioning to a cleaner...

Many small businesses have closed, lost revenues, or downsized as a response to health and economic disruptions caused by COVID-19. But, were economic losses in the pandemic disproportionately felt by businesses owned by people of color? This paper provides the first study of the impacts of...

This paper investigates the reversibility of the effects of transport infrastructure investments, based on a programme that removed much of the rail network in Britain during the mid-20th Century. We find that a 10% loss in rail access between 1950 and 1980 caused a persistent 3% decline in...

This paper addresses the impact on investment incentives of the network sharing arrangements mandated by the Telecommunications Act of 1996, with a focus on the implications of irreversible investment. Although the goal is to promote competition, the sharing rules now in place reduce incentives...

This paper evaluates the importance of property rights institutions', which protect citizens against expropriation by the government and powerful elites, and contracting institutions', which enable private contracts between citizens. We exploit exogenous variation in both types of institutions...

This paper identifies problems with the ordered breakup of Microsoft that seem to have been completely overlooked by the government, the judge, and the commentators. The breakup order prohibits Bill Gates and other large Microsoft shareholders from owning shares in both of the companies that...

We investigate a sample of firms whose number of reported segments falls by one or more for the first time in their reporting history. The firms in our sample have a significantly larger diversification discount, underperform, and underinvest relative to comparable firms. Firms are more likely...