John Bound1, Brad Hershbein, Bridget Terry Long. 1. John Bound is Professor of Economics and a Research Professor at the Population Studies Center at the University of Michigan, Ann Arbor, Michigan. He is also a Research Associate with the National Bureau of Economic Research, Cambridge, Massachusetts. Brad Hershbein is a Ph.D. student in economics, University of Michigan, Ann Arbor, Michigan. Bridget Terry Long is Professor of Education and Economics at the Harvard University Graduate School of Education, Cambridge, Massachusetts. She is also a Faculty Research Fellow at the National Bureau of Economic Research, Cambridge, Massachusetts.