1. Peter Buerhaus ( ) is the Valere Potter Professor and senior associate dean for research, Vanderbilt University School of Nursing, in Nashville, Tennessee. Douglas Staiger is a professor of economics, Department of Economics, Dartmouth College, in Hanover, New Hampshire, and a research associate with the National Bureau of Economic Research in Cambridge, Massachusetts. David Auerbach is an associate analyst, Health and Human Resources Division, Congressional Budget Office, in Washington, D.C.