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Stock market's reactions to revelation of tax evasion: An empirical assessment

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  • Brunhart, Andreas

Abstract

Additionally to the financial crisis causing a world recession, Liechtenstein's financial sector has been challenged by the so-called Zumwinkel-Affair when a whistle-blower sold data of hundreds of tax evaders to international tax authorities. This paper investigates the impact of this affair, separated from the financial crisis, on the daily stock prices of banks from Liechtenstein. An unconventional augmented GARCH-model (labelled as augmented amalGARCH), which outperforms conventional models here, is introduced and analyses the dynamical pattern and other influences on risk and average performance. Besides other findings, it can be concluded that the Zumwinkel-Affair had an (accumulating) effect on risk of stocks, but surprisingly no impact on average stock returns could be detected.

Suggested Citation

  • Brunhart, Andreas, 2012. "Stock market's reactions to revelation of tax evasion: An empirical assessment," KOFL Working Papers 9 [rev.], Konjunkturforschungsstelle Liechtenstein (KOFL), Vaduz.
  • Handle: RePEc:zbw:koflwp:9r
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    References listed on IDEAS

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    1. Andreas Brunhart, 2014. "Stock Market's Reactions to Revelation of Tax Evasion: An Empirical Assessment," Swiss Journal of Economics and Statistics (SJES), Swiss Society of Economics and Statistics (SSES), vol. 150(III), pages 161-190, September.
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    4. Brunhart, Andreas & Kellermann, Kersten & Schlag, Carsten-Henning, 2012. "Drei Phasen des Potentialwachstums in Liechtenstein," KOFL Working Papers 11, Konjunkturforschungsstelle Liechtenstein (KOFL), Vaduz.
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    Cited by:

    1. Brunhart, Andreas, 2012. "Liechtensteins neuere Wirtschaftshistorie: Erste Einsichten und Interpretationen der neu geschätzten Zeitreihen," KOFL Economic Focus 5, Konjunkturforschungsstelle Liechtenstein (KOFL), Vaduz.
    2. Andreas Brunhart, 2014. "Stock Market's Reactions to Revelation of Tax Evasion: An Empirical Assessment," Swiss Journal of Economics and Statistics (SJES), Swiss Society of Economics and Statistics (SSES), vol. 150(III), pages 161-190, September.
    3. Andreas Brunhart, 2013. "Der Klein(st)staat Liechtenstein und seine grossen Nachbarländer: Eine wachstums- und konjunkturanalytische Gegenüberstellung," Arbeitspapiere 44, Liechtenstein-Institut.
    4. Brunhart, Andreas, 2012. "Identification of Liechtenstein's Historic Economic Growth and Business Cycles by Econometric Extensions of Data Series," MPRA Paper 44628, University Library of Munich, Germany.

    More about this item

    Keywords

    Tax Evasion; Liechtenstein; Financial Institutions; Stock Price Volatility; Augmented GARCH-models; amalGARCH;

    JEL classification:

    • C01 - Mathematical and Quantitative Methods - - General - - - Econometrics
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • G01 - Financial Economics - - General - - - Financial Crises
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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