xBookUtils.terms['fn_18_501'] = "On dangerous professions, see, for instance, http://www.forbes.com/2007/08/13/dangerous-jobs-fishing-lead-careers-cx_tvr_0813danger.html.";
xBookUtils.terms['fn_18_502'] = "Here is one estimate of coal miner earnings: http://www.washingtonpost.com/wp-dyn/content/discussion/2006/01/04/DI2006010401171.html.";
xBookUtils.terms['fn_18_503'] = "For one estimate of the union wage premium, see http://psi.org.uk/docs/2003/research/emp-union-wage-premium-us-uk.pdf.";
xBookUtils.terms['fn_18_504'] = "Data from http://oecd.org for union members and employees.";
xBookUtils.terms['fn_18_505'] = "That is from Bertrand, Marianne, and Sendhil Mullainathan. 2004. “Are Emily and Greg more employable than Lakisha and Jamal? A field experiment on labor market discrimination.” The American Economic Review 94(4): 991–1013. For the earnings study, see Fryer Jr., Roland G., and Steven D. Levitt. 2002. “The causes and consequences of distinctively black names.” Quarterly Journal of Economics 119(3): 767–805.";
xBookUtils.terms['fn_18_506'] = "For a survey of this literature, see Engemann, Kristie M., and Michael T. Owyang. April, 2005. “So much for that merit raise: The link between wages and appearance.” The Regional Economist. https://www.stlouisfed.org/Publications/Regional-Economist/April-2005/So-Much-for-That-Merit-Raise-The-Link-between-Wages-and-Appearance";
xBookUtils.terms['fn_18_507'] = "Persico, Nicola, Andrew Postlewaite, and Dan Silverman. 2004. “The effect of adolescent experience on labor market outcomes: The case of height.” Journal of Political Economy, 112(5): 1019–1053.";