Michael Greenstone, Kenneth Lee, Harshil Sahai

In Delhi, one of the world’s most polluted cities, there is relatively little information on indoor air pollution and how it varies by socioeconomic status (SES). Using indoor air quality monitors (IAQMs), we find that winter levels of household air pollution exceed World Health Organization standards by more than 20 times in both high- and low-SES households. We then evaluate a field experiment that randomly assigned monthlong IAQM user trials across medium- and high-SES households but suffered from significant survey non-response. Among respondents, IAQMs did not affect take-up of subsidized air purifier rentals or other defensive behavior.

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Areas of Focus: Environment
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Environment
Producing and using energy damages people’s health and the environment. EPIC research is quantifying the social costs of energy choices and uncovering policies that help protect health while facilitating growth.
Air Pollution
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Air Pollution
Air pollution from fossil fuel combustion poses a grave threat to human health worldwide. EPIC research is using real-world data to calculate the effects of air pollution on human health...
EPIC-India
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EPIC-India
As the world’s fastest-growing carbon emitter and second most-polluted country, India is central to the global energy challenge. EPIC’s robust team in India works hand-in-hand with government leaders to implement...