Promoting physical activity in children is an important front battling Childhood obesity. This paper investigates if and by how much neighborhood parks and playgrounds, one of the most important activity-enhancing neighborhood facilities, affect childhood obesity. We employ a covariate matching...

Environmental performance rating and disclosure has emerged as a substitute or complement for traditional pollution regulation, especially in developing countries. Using data from China's Green Watch program, this study extends previous research on performance rating and disclosure by...

Environmental performance rating and disclosure has emerged as an alternative or complementary approach to conventional pollution regulation, especially in developing countries. However, little systematic research has been conducted on the effectiveness of this emerging policy instrument. This...

Donald Trump's presidential campaign highlighted protectionism of U.S.-born workers at a time of growing income inequality, racial tensions, and labor market polarization. Our study investigates if and how voters' life circumstances affected election behavior between 2012 and 2016, and how voter...

Some employers are not obligated to pay at least minimum wages to all employees. U.S. farm employers comprise one of these groups. Employees of large farms and H-2A workers (lawfully admitted, nonimmigrant workers performing temporary or seasonal agricultural work) are protected by minimum wage...

This paper finds that a 10 μg/m3 increase in airborne particulate matter (PM10) reduces life expectancy by 0.64 years (95% CI: 0.21, 1.07). This estimate is derived from quasi-experimental variation in PM10 generated by China's Huai River Policy, which provides free or heavily subsidized coal...

We estimate long-term effects of famine on chronic diseases using China's Great Leap Forward Famine as a natural experiment. Using a unique health survey, we explore the heterogeneity of famine intensity across regions and find strong evidence supporting both the adverse and selection effects....

This paper examines the relationship between income, pollution, and mortality in China from 1991-2012. Using first-difference models, we document a robust positive association between city-level GDP and life expectancy. We also find a negative association between city-level particulate air...