“…We leave out of the analysis a variety of other plausible theories, which help explain different types of data. These include wishful thinking (e.g., Brunnermeier and Parker, 2005;Caplin and Leahy, 2019); 9 For a detailed discussion of this difference, see the end of Section 5 and the accompanying Appendix B. over-weighting of personal experience (e.g., Malmendier and Nagel, 2016;D'Acunto, Malmendier, Ospina, and Weber, 2019;Das, Kuhnen, and Nagel, 2020); adaptive learning (e.g., Eusepi and Preston, 2011;Evans and Honkapohja, 2001;Sargent, 2001); uncertainty shocks (e.g., Bloom, 2009a;Baker, Bloom, and Davis, 2016); robustness and ambiguity (e.g., Hansen and Sargent, 2012;Ilut and Schneider, 2014;Bhandari, Borovička, and Ho, 2019); non-Bayesian belief contagion (e.g., Carroll, 2001;Burnside, Eichenbaum, and Rebelo, 2016); and other plausible departures from the fully rational model (e.g., Adam and Woodford, 2012;Gabaix, 2019;Molavi, 2019;Woodford, 2018).…”