@book {217536,
	title = {On the role of safe asset shortages in secular stagnation},
	series = {Secular Stagnation: Facts, Causes, and Cures},
	year = {2014},
	pages = {111-122},
	publisher = {CEPR Press},
	organization = {CEPR Press},
	address = {London},
	author = {Emmanuel Farhi and Ricardo J Caballero}
}
