Once on the academic fringes, behavioral economics has been gaining considerable ground over the past year. While not all economists, government policy makers and corporate financiers agree wholeheartedly with behavioral economists' assertion that markets are inefficient and irrational, it's difficult in the wake of the global financial meltdown to be too dismissive of it, according to some Wharton faculty members. It's likely, they say, that future regulations will be shaped in part by both behavioral economics and the efficient market theory, which has dominated government policymaking since the early 1980s.
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