In urban areas around the world, increasing motorization and growing travel demand make the urban transportation sector an ever-greater contributor to local air pollution and greenhouse gas emissions. The situation is particularly acute in developing countries, where growing metropolitan regions...

We study how air pollution impacts the U.S. labor market by analyzing effects of drifting wildfire smoke that can affect populations far from the fires themselves. We link satellite smoke plume with labor market outcomes to estimate that an additional day of smoke exposure reduces quarterly...

The market for plug-in electric vehicles (EVs) exhibits indirect network effects in that there is interdependence between consumer decision of EV purchase and investor decision of charging station deployment. Through a stylized model, we demonstrate that indirect network effects on both sides of...

Intermediaries play an important role in markets with asymmetric information by reducing the search friction and uncertainty for buyers and sellers. However, when a conflict of interest arises, agents may not fully act on behalf of their clients. Using a unique dataset of both housing resale...

We identify the contemporaneous effects of PM2.5 concentrations on medical costs in Beijing by analyzing datasets that combine daily air quality indexes over a four-year period with detailed records of all hospital visits and medical transactions of beneficiaries of a government medical...

The decade from 2010 to 2019 marked a significant turning point in China’s history of environmental regulation and pollution. This article describes the recent trends in air and water quality, with a focus on the five years since China declared a “war on pollution” in 2014. It summarizes...

Massive wildlife losses over the past 50 years have brought new urgency to identifying both the drivers of population decline and potential solutions. We provide the first large-scale evidence that air pollution, specifically ozone, is associated with declines in bird abundance in the United...