1 Robert M. La Follette School of Public Affairs, University of Wisconsin-Madison, 1225 Observatory Drive, Madison, WI, 53706, USA. llschmitz@wisc.edu.
2 Department of Sociology, University of Wisconsin-Madison, Madison, WI, USA.
3 Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, WI, USA.
4 Department of Statistics, University of Wisconsin-Madison, Madison, WI, USA.
5 Department of Sociology, Princeton University & NBER, Princeton, NJ, USA.