Assertion: irrational exuberance | /r/HasProperty | released in march
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text: According to data first presented in "Irrational Exuberance" (which was released in March 2000, coinciding with the peak of the dotcom boom), updated to cover the period 1881 to November 2013, the ratio has varied from a low of 4.78 in December 1920 to a high of 44.20 in December 1999.