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On the Existence and Prevention of Asset Price Bubbles

Author

Listed:
  • Hendrik Hakenes

    (University of Hannover, MPI Bonn)

  • Zeno Enders

    (University of Bonn)

Abstract

We develop a model of rational bubbles based on the assumptions of unknown market liquidity and limited liability of traders. In a bubble, the price of an asset rises dynamically above its steady-state value, justified by rational expectations about future price developments. The larger the expected future price increase, the more likely it is that the bubble will burst because market liquidity becomes exhausted. Depending on the interactions between uncertainty about market liquidity, fundamental riskiness of the asset, the compensation scheme of the fund manager, and the risk-free interest rate, we give a condition for whether rational bubbles are possible. Based on this analysis, we discuss several widely-discussed policy measures with respect to their effectiveness in preventing bubbles. A reduction of manager bonuses or a Tobin tax can create or eliminate the possibility of bubbles, depending on their implementation. Monetary policy and long-term compensation schemes can prevent bubbles.

Suggested Citation

  • Hendrik Hakenes & Zeno Enders, 2010. "On the Existence and Prevention of Asset Price Bubbles," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2010_44, Max Planck Institute for Research on Collective Goods.
    • Handle: RePEc:mpg:wpaper:2010_44
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    File URL: http://www.coll.mpg.de/pdf_dat/2010_44online.pdf
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    References listed on IDEAS

    as
    1. Hui Ou-Yang, 2003. "Optimal Contracts in a Continuous-Time Delegated Portfolio Management Problem," The Review of Financial Studies, Society for Financial Studies, vol. 16(1), pages 173-208.
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    Cited by:

    1. Julián A.Parra Polanía & Carmiña O.Vargas Riaño, 2012. "Valor óptimo del impuesto sobre flujos de capital para Colombia," Borradores de Economia 715, Banco de la Republica de Colombia.
    2. Parra-Polanía, Julián Andrés & Vargas-Riaño, Carmiña Ofelia, 2013. "Impuesto pigouviano a los flujos de capitales : una estimación para Colombia," Chapters, in: Rincón-Castro, Hernán & Velasco, Andrés M. (ed.), Flujos de capitales, choques externos y respuestas de política en países emergentes, chapter 16, pages 627-644, Banco de la Republica de Colombia.

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    More about this item

    Keywords

    Bubbles; Rational Expectations; Bonuses; Compensation Schemes; Financial Crises; Financial Policy;
    All these keywords.

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E1 - Macroeconomics and Monetary Economics - - General Aggregative Models

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