Machine learning algorithms can find predictive signals that researchers fail to notice; yet they are notoriously hard-to-interpret. How can we extract theoretical insights from these black boxes? History provides a clue. Facing a similar problem - how to extract theoretical insights from their...

Abstract U.S. firms have reduced their investment in scientific research ("R") compared to product development ("D"), raising questions about the returns to each type of investment, and about the reasons for this shift. We use Census data that disaggregates "R" from "D" to study how US firms...

In competitive capital markets, risky debt claims that offer high yields in good times have high systematic risk exposure in bad times. We apply this idea to bank risk measurement. We find that banks with high accounting return on equity (ROE) prior to a crisis have higher systematic tail risk...

The origin of the modern publicly-held joint-stock company is typically traced to large-scale maritime trading companies in England and the Netherlands in the early 17th century. Highlighting medieval cases in southern Europe, we claim that the joint-stock company likely emerged in several times...

Heating, cooling, and powering the residential housing stock accounts for about one-fifth of total annual greenhouse gas emissions in the US. Home size is a key determinant of energy intensity. The average newly built single-family home is 50% larger than in the 1950s. Using distinct...

Firms have inefficiently low incentives to innovate when other firms benefit from their inventions and the innovating firm therefore does not capture the full surplus of its innovations. We show that common ownership of firms mitigates this impediment to corporate innovation. By contrast,...

For many firms, the acquisition process begins with the development of an acquisition plan that is communicated to investors. We construct a comprehensive sample of acquisition plans to provide novel perspectives on the acquisition process and find that acquisition plans are informative to...

China's admission into the WTO in 2001 heralded a new era of globalization, increasing both import competition in domestic markets and foreign opportunities for US firms. In the aggregate, the average annual profitability of US public firms during the post globalization period (2003-2019)...

During project development, costs are endogenously determined through delegated bargaining with counterparties. In surveys, nearly 80% of CFOs report using an elevated hurdle rate, the implications of which we explore in a delegated bargaining model. We show that elevated hurdle rates can convey...

Shareholders want a firm's objective function to place some weight on consumer welfare, motivated by both self-interested and altruistic motivations. Firms have a unique technology for improving consumer welfare: lowering inefficient price markups, which increases consumer welfare more than it...