@unpublished{publication-18218,
	author={Jaimovich, Nir and Rebelo, Sergio and Wong, Arlene and Zhang, Miao Ben},
	doi={10.3386/w25931},
	institution={National Bureau of Economic Research (NBER)},
	number=25931,
	pages=40,
	series={NBER Working Paper Series},
	title={Trading up and the skill premium},
	year=2019,
}