@unpublished{publication-14798,
	author={Kast, Felipe and Pomeranz, Dina and Meier, Stephan},
	institution={National Bureau of Economic Research},
	number=18417,
	pages=46,
	series={NBER working paper series},
	title={Under-savers anonymous: evidence on self-help groups and peer pressure as a savings commitment device},
	year=2012,
}