We document a Kuznets curve for construction productivity in 20th-century America. Homes built per construction worker remained stagnant between 1900 and 1940, boomed after World War II, and then plummeted after 1970. The productivity boom from 1940 to 1970 shows that nothing makes technological...

Boston's high housing costs reflect a historic failure to build enough units to satisfy demand. Interest rates and construction costs have risen recently, and the flow of new market-rate residential housing projects has slowed. To spur more construction, the City of Boston is considering various...

Which Americans experience the worst infrastructure? What are the costs of living with that infrastructure? We measure road roughness throughout America using vertical acceleration data from Uber rides across millions of American roads. Our measure correlates strongly and positively with other...

In the World Bank Enterprise Survey, the share of entrepreneurs who are women first rises and then falls with national income, which reverses the well-known U-shaped relationship between female labor force participation and economic development. This paper presents a model of entrepreneurship in...