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2003

University of Michigan Law School

Law and Economics

Economics

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Behavioral Economics And The Sec, Stephen Choi, Adam C. Pritchard Jan 2003

Behavioral Economics And The Sec, Stephen Choi, Adam C. Pritchard

Law & Economics Working Papers Archive: 2003-2009

Investors face myriad investment alternatives and seemingly limitless information concerning those alternatives.Not surprisingly, many commentators contend that investors frequently fall short of the ideal investor posited by the rational actor model. Investors are plagued with a variety of behavioral biases (such as, among others, the hindsight bias, the availability bias, loss aversion, and overconfidence). Even securities market institutions and intermediaries may suffer from biases, led astray by groupthink and overconfidence. The question remains whether regulators should focus on such biases in formulating policy. An omnipotent regulatory decisionmaker would certainly improve on flawed investor decisionmaking. The alternative we face, however ...