Table 10.

Life expectancy estimates from existing literature.

		Effect of 10%
Study	Research design	pollution increase
Lipfert and Wyzga (1995)	Daily time-series analysis	0.04 years
Pope, Ezzati, and Dockery (2009)	20-year long difference	0.12 years
Dockery et al. (1993)	Cross-sectional analysis	0.22 years
Chen et al. (2013)	Single boundary discontinuity	1 year
This study	Multiple boundary discontinuities	0.05 years

Notes: Effect sizes represent the implied effect of a 10% increase in pollution on life expectancy.