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Advertising Arbitrage

Author

Listed:
  • Pagano, Marco
  • Kovbasyuk, Sergei
Abstract
An arbitrageur with short investment horizon gains from accelerating price discovery by advertising his private information. However, advertising many assets may overload investors' attention, reducing the number of informed traders per asset and slowing price discovery. So the arbitrageur optimally concentrates advertising on just a few assets, unless his trades have significant price impact. The arbitrageur's gain from advertising is increasing in the assets' mispricing and in the precision of his private information, and is decreasing in its difficulty for investors. If several arbitrageurs have private information, inefficient equilibria can arise, where investors' attention is overloaded and substantial mispricing persists.

Suggested Citation

  • Pagano, Marco & Kovbasyuk, Sergei, 2020. "Advertising Arbitrage," CEPR Discussion Papers 15064, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:15064
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    as
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    Cited by:

    1. Brav, Alon & Dasgupta, Amil & Mathews, Richmond D., 2022. "Wolf pack activism," LSE Research Online Documents on Economics 112118, London School of Economics and Political Science, LSE Library.
    2. Marco Di Maggio & Francesco Franzoni & Amir Kermani & Carlo Sommavilla, 2017. "The Relevance of Broker Networks for Information Diffusion in the Stock Market," NBER Working Papers 23522, National Bureau of Economic Research, Inc.
    3. Dasgupta, Amil & Brav, Alon & Mathews, Richmond, 2016. "Wolf Pack Activism," CEPR Discussion Papers 11507, C.E.P.R. Discussion Papers.
    4. Kahraman, Bige & Pachare, Salil, 2018. "Show us your shorts!," CEPR Discussion Papers 12658, C.E.P.R. Discussion Papers.

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    More about this item

    Keywords

    Imits to arbitrage; Advertising; Price discovery; Limited attention;
    All these keywords.

    JEL classification:

    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G2 - Financial Economics - - Financial Institutions and Services
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations

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