@article {692466,
	title = {Safe Assets},
	journal = {The Economic Journal},
	volume = {132},
	number = {646},
	year = {2022},
	pages = {2075-2100},
	url = {https://doi-org.ezp-prod1.hul.harvard.edu/10.1093/ej/ueac017},
	author = {Robert J. Barro and Jes{\'u}s Fern{\'a}ndez-Villaverde and Oren Levintal and Andrew Mollerus}
}
