Paying for Kidneys? A Randomized Survey and Choice Experiment

We are grateful to Roland Bénabou and three reviewers for their comments and guidance. We benefited from conversations with Sandro Ambuehl, Lanier Benkard, Tom Buchmueller, Leo Bursztyn, Jon de Quidt, Liran Einav, Christine Exley, Claudine Gartenberg, Martin Gaynor, Ori Heffetz, Alessandro Iaria, Alex Imas, Jeffrey Kahn, Nancy Kass, Judd Kessler, Matt Mitchell, Matt Osborne, Gerard Padro i Miquel, Devin Pope, Iyad Rahwan, Jim Rebitzer, Alejandro Rodriguez, Al Roth, Heather Royer, Itai Sher, Stefanie Stantcheva, Cass Sunstein, and Justin Sydnor, as well as from comments by attendees of presentations at several universities and conferences. The study received ethics approval from the Research Ethics Board at the University of Toronto (protocol 30238) and the Homewood Institutional Review Board at Johns Hopkins University (protocol 00001991); the registration number at the American Economic Association’s Registry for Randomized Controlled Trials is AEARCTR-0000732. We gratefully acknowledge the financial support of the Johns Hopkins University “Catalyst Award,” a subgrant from the research program “The Economics of Knowledge Contribution and Distribution” (funded by the Sloan Foundation), a Research and Scholarly Fund grant from the University of Toronto Mississauga, and the Dean’s Research Funds at Johns Hopkins Carey Business School. Nicola Lacetera is thankful to the Center for Economic Studies in Munich and the Einaudi Institute for Economics and Finance in Rome for their hospitality during the writing of part of this paper. Gilda Assi and Daphné Baldassari provided excellent research assistance. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

• data appendix
• randomized controlled trials registry entry

• February 21, 2019