@inbook {604896,
	title = {"Augmenting the Human Capital Earnings Equation with Measures of Where People Work"},
	booktitle = {Firms and the Distribution of Income: The Roles of Productivity and Luck},
	year = {2018},
	publisher = {University of Chicago Press for NBER },
	organization = {University of Chicago Press for NBER },
	author = {Richard B. Freeman and Erling Barth and James Davis}
}
