@article {692480,
	title = {Environmental Protection, Rare Disasters and Discount Rates},
	journal = {Economica},
	volume = {82},
	number = {325},
	year = {2015},
	pages = {1-23},
	url = {https://doi-org.ezp-prod1.hul.harvard.edu/10.1111/ecca.12117},
	author = {Robert J. Barro}
}
