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Quis pendit ipsa pretia: facebook valuation and diagnostic of a bubble based on nonlinear demographic dynamics

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  • Peter Cauwels
  • Didier Sornette
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    Abstract

    We present a novel methodology to determine the fundamental value of firms in the social-networking sector based on two ingredients: (i) revenues and profits are inherently linked to its user basis through a direct channel that has no equivalent in other sectors; (ii) the growth of the number of users can be calibrated with standard logistic growth models and allows for reliable extrapolations of the size of the business at long time horizons. We illustrate the methodology with a detailed analysis of facebook, one of the biggest of the social-media giants. There is a clear signature of a change of regime that occurred in 2010 on the growth of the number of users, from a pure exponential behavior (a paradigm for unlimited growth) to a logistic function with asymptotic plateau (a paradigm for growth in competition). We consider three different scenarios, a base case, a high growth and an extreme growth scenario. Using a discount factor of 5%, a profit margin of 29% and 3.5 USD of revenues per user per year yields a value of facebook of 15.3 billion USD in the base case scenario, 20.2 billion USD in the high growth scenario and 32.9 billion USD in the extreme growth scenario. According to our methodology, this would imply that facebook would need to increase its profit per user before the IPO by a factor of 3 to 6 in the base case scenario, 2.5 to 5 in the high growth scenario and 1.5 to 3 in the extreme growth scenario in order to meet the current, widespread, high expectations. To prove the wider applicability of our methodology, the analysis is repeated on Groupon, the well-known deal-of-the-day website which is expected to go public in November 2011. The results are in line with the facebook analysis. Customer growth will plateau. By not taking this fundamental property of the growth process into consideration, estimates of its IPO are wildly overpriced.

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    File URL: http://arxiv.org/pdf/1110.1319
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    Bibliographic Info

    Paper provided by arXiv.org in its series Papers with number 1110.1319.

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    Date of creation: Oct 2011
    Date of revision: Nov 2011
    Publication status: Published in Journal of Portfolio Management 38 (2), 56-66 (2012)
    Handle: RePEc:arx:papers:1110.1319

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    Web page: http://arxiv.org/

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    1. Fernandez, Pablo & Aguirreamalloa, Javier & Corres, Luis, 2011. "US market risk premium used in 2011 by professors, analysts and companies: A survey with 5.731 answers," IESE Research Papers, IESE Business School D/918, IESE Business School.
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    Cited by:
    1. Zal\'an Forr\'o & Peter Cauwels & Didier Sornette, 2011. "Valuation of Zynga," Papers 1112.6024, arXiv.org.

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