Authors' reply to Barbieri and Kovarik, Mariani, and Waxman and Kanzaria

Anupam B Jena¹, Lena Schoemaker², Jay Bhattacharya³+1

• ¹Department of Health Care Policy, Harvard Medical School, Boston, MA 02115, USA; and Massachusetts General Hospital, Boston, MA, USA National Bureau of Economic Research, Cambridge, MA, USA jena@hcp.med.harvard.edu.+3