How does gentrification transform neighborhoods? Gentrification can harm current residents by increasing rental costs and by eliminating old amenities, including distinctive local stores. Rising rents represent redistribution from tenants to landlords and can therefore be offset with targeted...

This paper examines a new dataset of laws and practices governing public procurement, as well as procurement outcomes, in 187 countries. The authors measure regulation as restrictions on the discretion of the procuring agents. They find that laws and practices are highly correlated with each...

Could urbanization lead to more democracy and better government for the mega-cities of the developing world? This paper reviews three channels through which urbanization may generate political change. First, cities facilitate coordinated public action and enhance the effectiveness of uprisings....

Africa is urbanizing rapidly, and this creates both opportunities and challenges. Labor productivity appears to be much higher in developing-world cities than in rural areas, and historically urbanization is strongly correlated with economic growth. Education seems to be a strong complement to...

Long before economics turned to psychology, environmentalists were nudging and framing and pushing their cause like highly gifted amateur psychologists. Their interventions seem to have changed behavior by altering beliefs, norms and preferences, but because psychological interventions are often...

What determines beliefs about the ability and appropriate role of women? An overwhelming majority of men and women born early in the 20th century thought women should not work; a majority now believes that work is appropriate for both genders. Betty Friedan (1963) postulated that beliefs about...

In this paper we examine a new dataset of laws and practices governing public procurement, as well as procurement outcomes, in 187 countries. We measure regulation as restrictions on the discretion of the procuring agents. We find that laws and practices are highly correlated with each other...

During the COVID-19 pandemic, states issued and then rescinded stay-at-home orders that restricted mobility. We develop a model of learning by deregulation, which predicts that lifting stay-at-home orders can signal that going out has become safer. Using restaurant activity data, we find that...

China urbanization is associated with both increases in per-capita income and greenhouse gas emissions. This paper uses micro data to rank 74 major Chinese cities with respect to their household carbon footprint. We find that the "greenest" cities based on this criterion are Huaian and Suqian...