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Can a financial transaction tax prevent stock price booms?

Author

Listed:
  • Adam, Klaus
  • Marcet, Albert
  • Merkel, Sebastian
  • Beutel, Johannes

Abstract

We present a stock market model that quantitatively replicates the joint behavior of stock prices, trading volume and investor expectations. Stock prices in the model occasionally display belief-driven boom and bust cycles that delink asset prices from fundamentals and redistribute considerable amounts of wealth from less to more experienced investors. Although gains from trade arise only from subjective belief di¤erences, introducing financial transactions taxes (FTTs)remains undesirable. While FTTs reduce the size and length of boom-bust cycles, they increase the likelihood of such cycles, therby overall return volatility and wealth redistribution. Contingent FTTs, which are levied only above a certain price threshold, give rise to problems of equilibrium multiplicity and non-existence.

Suggested Citation

  • Adam, Klaus & Marcet, Albert & Merkel, Sebastian & Beutel, Johannes, 2015. "Can a financial transaction tax prevent stock price booms?," Working Papers 15-10, University of Mannheim, Department of Economics.
    • Handle: RePEc:mnh:wpaper:39024
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    Cited by:

    1. Stefano Giglio & Matteo Maggiori & Johannes Stroebel & Stephen Utkus, 2021. "Five Facts about Beliefs and Portfolios," American Economic Review, American Economic Association, vol. 111(5), pages 1481-1522, May.
    2. Beutel, Johannes & Metiu, Norbert & Stockerl, Valentin, 2021. "Toothless tiger with claws? Financial stability communication, expectations, and risk-taking," Journal of Monetary Economics, Elsevier, vol. 120(C), pages 53-69.
    3. Zeno Enders & Hendrik Hakenes, 2021. "Market Depth, Leverage, and Speculative Bubbles," Journal of the European Economic Association, European Economic Association, vol. 19(5), pages 2577-2621.
    4. Carbó-Valverde, Santiago & Cuadros-Solas, Pedro J. & Rodríguez-Fernández, Francisco, 2025. "Cryptocurrency ownership and cognitive biases in perceived financial literacy," Journal of Behavioral and Experimental Finance, Elsevier, vol. 45(C).
    5. Yin, Zhichao & Peng, Hongfeng & Xiao, Weiguo & Xiao, Zumian, 2022. "Capital control and monetary policy coordination: Tobin tax revisited," Research in International Business and Finance, Elsevier, vol. 59(C).
    6. Caines, Colin, 2020. "Can learning explain boom-bust cycles in asset prices? An application to the US housing boom," Journal of Macroeconomics, Elsevier, vol. 66(C).

    More about this item

    Keywords

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    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations

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