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AbstractThis paper provides evidence on the hypothesis that many behavioral finance patterns are so deeply rooted in human behavior that they are difficult to overcome by learning. We test this on a target group which has undoubtedly very strong incentives to learn efficient behavior, i.e. fund managers. We split this group into endorsers and non-endorsers of behavioral finance. Endorsers do, indeed, view markets differently as they regard stronger influences from behavioral biases. However, when it comes to the perception of one's own behavior the endorsement of behavioral finance becomes almost meaningless, even though endorsers otherwise do adapt behavior to their endorsement.
JEL codes:G 10 (general financial markets), D 83 (learning, knowledge, belief) Keywords:behavioral finance, fund managers, biasesWe thank all participating fund managers for their time and commitment. We gratefully acknowledge the useful comments of two anonymous referees and research assistance by Torsten Brozynski.menkhoff@gif.uni-hannover.de and nikiforow@gif.uni-hannover.de, both: Leibniz Universität Hannover, Königsworther Platz 1, D-30167 Hannover, Germany 2 Professionals' endorsement of behavioral finance:Does it impact their perception of markets and themselves?
IntroductionThe history of many anomalies in financial markets has shown that they disappear over time (Fama, 1998). This has raised the suspicion that markets may need time to recognize such anomalies -which largely motivate behavioral finance -but that they react consequently afterwards. According to this view one may assess behavioral finance being largely concerned with transitory phenomena. Others argue that many behavioral finance patterns are so deeply rooted in human behavior that they are difficult to overcome by learning (Hirshleifer, 2001, but also Tversky and Kahneman, 1982, Alpert and Raiffa, 1982, Fischhoff, 1982b. Obviously, these two views make contrary predictions on the permanency of beha...