@TECHREPORT {SFB649DP2017-019,
  AUTHOR={Hamermesh, Daniel S. and Genadek, Katie R. and Burda, Michael C.},
  TITLE={{Racial/Ethnic Differences In Non-Work At Work}},
  YEAR=2017,
  INSTITUTION={Sonderforschungsbereich 649, Humboldt Universit\"{a}t zu Berlin, Germany},
  TYPE={SFB 649 Discussion Paper},
  NOTE={available at http://sfb649.wiwi.hu-berlin.de/papers/pdf/SFB649DP2017-019.pdf},
  NUMBER={2017-019}
}