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</a> With a little latitude one could summarize this prize as suggesting that financial markets are efficient (Fama), except when they’re not (Shiller), and that we have empirical evidence to prove it (Hansen). But there are also deeper lessons: This stuff is hard. Social science progresses slowly. Most important, we are still learning how and when financial markets generate wealth and provide economic stability and when they are a casino destabilizing the economy. |
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