@unpublished{publication-18220,
	author={Jaimovich, Nir and Siu, Henry E},
	doi={10.3386/w18334},
	institution={National Bureau of Economic Research},
	number=18334,
	pages=37,
	series={NBER Working Paper Series},
	title={Job polarization and jobless recoveries},
	year=2018,
}