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      Cold Call
      A podcast featuring faculty discussing cases they've written and the lessons they impart.
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      • 06 Apr 2021
      • Cold Call Podcast

      Disrupting the Waste Industry with Technology

      Rubicon began with a bold idea: create a cloud-based, full-service waste management platform, providing efficient service anywhere in the US. Their mobile app did for waste management what Uber had done for taxi service. Five years after the case’s publication, Harvard Business School Associate Professor Shai Bernstein and Rubicon founder and CEO Nate Morris discuss how the software startup leveraged technology to disrupt the waste industry and other enduring lessons of professor Bill Sahlman’s case about Rubicon.  Open for comment; 0 Comment(s) posted.

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      Price BubbleRemove Price Bubble →

      Page 1 of 4 Results
      • 18 Feb 2019
      • Working Paper Summaries

      Diagnostic Bubbles

      by Pedro Bordalo, Nicola Gennaioli, Spencer Yongwook Kwon, and Andrei Shleifer

      The financial crisis of 2007-2008 revived academic interest in price bubbles but many conceptual questions remain open. This paper generates insights into the structure of asset price bubbles by modeling beliefs from fundamental psychological assumptions, and combining this with standard neoclassical mechanisms, such as learning from prices and speculation.

      • 02 Oct 2017
      • What Do You Think?

      Do Bitcoin and Digital Currency Have a Future?

      by James L. Heskett

      SUMMING UP Bitcoin has shown to be a powerful digital currency, but the real story of the future is Blockchain, say James Heskett's readers. Open for comment; Comment(s) posted.

      • 20 Mar 2017
      • Working Paper Summaries

      Bubbles for Fama

      by Robin Greenwood, Andrei Shleifer, and Yang You

      Nobel laureate Eugene F. Fama has famously claimed that there is no such thing as a bubble, which he defines as a large price run-up that predictably crashes. Analyzing industry data for the US and internationally, the authors find that Fama is mostly right that a sharp price increase of an industry portfolio does not, on average, predict unusually low returns going forward. Yet the authors show that there is much more to a bubble than merely increases in prices; they show a number of characteristics that predict an end to the bubble.

      • 02 Mar 2016
      • Working Paper Summaries

      Extrapolation and Bubbles

      by Nicholas Barberis, Robin Greenwood, Lawrence Jin, and Andrei Shleifer

      Bubble episodes have fascinated economists and historians for centuries, in part because human behavior in bubbles is so hard to explain, and in part because of the devastating side effects of the crash. At the heart of the standard historical narratives of bubbles is the concept of extrapolation—the formation of expected returns by investors based on past returns. This paper presents a simple model of extrapolative bubbles that explains a lot of evidence and makes new predictions.

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