@article {20147,
	title = {Macroeconomic Crises since 1870},
	journal = {Brookings Papers on Economic Activity},
	volume = {2008},
	number = {1},
	year = {2008},
	pages = {255-350},
	url = {http://doi.org/10.1353/eca.0.0000},
	author = {Robert J. Barro and Jos{\'e} F. Urs{\'u}a}
}
