@unpublished{publication-15191,
	author={Pischke, J{\"o}rn-Steffen and Schwandt, Hannes},
	doi={10.3386/w18384},
	institution={National Bureau of Economic Research},
	number=18384,
	series={NBER Working Papers},
	title={A cautionary note on using industry affiliation to predict income},
	year=2012,
}