Louis Bachelier

  • Efficiently Controversial

    By Kenneth Silber, Research  |  April 1, 2010

    Financial theory is in flux. Ideas that once were widely accepted among financial economists are in dispute. In particular, the efficient-markets hypothesis -- which dominated...

  • Fat-Tailed Butterflies Invade the Finance Faculty Lounge

    By Staff Writer  |  October 18, 2004

    Book Review Mandelbrot, Benoit and Hudson, Richard L. "The (mis)Behavior of Markets: A Fractal View of Risk, Ruin, and Reward," New York: Perseus Books Group, 2004, pp. 328, Cloth. US$27.50. Most literate humans have by now heard of "chaos theory." There has even been a Hollywood movie, "the Butterfly Effect,"...

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