@book{27955,
	author = {Harford, Tim, 1973–},
	title = {The Undercover Economist:},
	publisher = {Oxford University Press,},
	year = {2006},
	address = {New York:},
	url = {https://www.u-cursos.cl/ingenieria/2008/2/IN2C1/2/material_docente/bajar?id_material=192590}
}