TY - JOUR AU - Zeckhauser,Richard AU - Patel,Jayendu AU - Hendricks,Darryll TI - Nonrational Actors and Financial Market Behavior JF - National Bureau of Economic Research Working Paper Series VL - No. 3731 PY - 1991 Y2 - June 1991 UR - http://www.nber.org/papers/w3731 L1 - http://www.nber.org/papers/w3731.pdf N1 - Author contact info: Richard J. Zeckhauser John F. Kennedy School of Government Harvard University 79 John F. Kennedy Street Cambridge, MA 02138 Tel: 617/495-1174 Fax: 617/384-9340 E-Mail: richard_zeckhauser@harvard.edu Jayendu Patel Harvard University E-Mail: jayendupatel@gmail.com Darryll Hendricks Federal Reserve Bank of New York E-Mail: no email available AB - The insights of descriptive decision theorists and psychologists, we believe, have much to contribute to our understanding of financial market macrophenomena. We propose an analytic agenda that distinguishes those individual idiosyncrasies that prove consequential at the macro-level from those that are neutralized by market processes such as poaching. We discuss five behavioral traits - barn-door closing, expert/reliance effects, status quo bias, framing, and herding - that we employ in explaining financial flows. Patterns in flows to mutual funds, to new equities, across national boundaries, as well as movements in debt-equity ratios are shown to be consistent with deviations from rationality. ER -