N Engl J Med
From the Department of Economics, Dartmouth College, Hanover, NH (J.S.); the National Bureau of Economic Research, Cambridge, MA (J.S.); New York University, New York (E.C.); and Stanford University (E.C.) and the Stanford Institute for Economic Policy Research (V.R.F.), Stanford, and the Schaeffer Center for Health Policy and Economics, University of Southern California, Los Angeles (V.R.F.) - all in California.
Published: February 2022