Experts have calculated the cost of pollution in China for years, weighing the drag on productivity from medical costs, factory closures and traffic restrictions. Now economists say they know exactly how much consumers are willing to pay to clean their own air.

Experts have calculated the cost of pollution in China for years, weighing the drag on productivity from medical costs, factory closures and traffic restrictions. Now economists say they know exactly how much consumers are willing to pay to clean their own air.

Black markets are estimated to represent a fifth of global economic activity, but their response to policy is poorly understood because participants systematically hide their actions.

Black markets are estimated to represent a fifth of global economic activity, but their response to policy is poorly understood because participants systematically hide their actions.

There is strong evidence that short-run fluctuations in air pollution negatively impact infant health and contemporaneous adult health, but there is less evidence on the causal link between long-term exposure to air pollution and increased adult mortality.

There are persistent differences in self-reported subjective well-being across U.S. metropolitan areas, and residents of declining cities appear less happy than other Americans. Newer residents of these

This paper uses annual variation in temperature and precipitation over the past 50 years to examine the impact of climatic changes on economic activity throughout the world. It find three primary results. First, higher temperatures substantially reduce economic growth in poor countries but have little effect in rich countries.