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Acquisition of Information and Share Prices: An Empirical Investigation of Cognitive Dissonance

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  • Elena Argentesi
  • Helmut Lütkepohl
  • Massimo Motta

Abstract

This paper deals with the determinants of agents' acquisition of information. Our econometric evidence shows that the general index of Italian share-prices and the series of Italy's financial newspaper sales are cointegrated, and the former series Granger-causes the latter, thereby giving support to the cognitive dissonance hypothesis: (non-professional) agents tend to buy the newspaper when share prices are high and not to buy it when share prices are low. Instead, we do not find support for the hypothesis that the agents acquire information in order to trade in the stock market: we find no relationship between quantities exchanged in the market and newspaper sales, nor between stock market volatility and newspaper sales. Copyright 2009 The Authors. Journal Compilation Verein für Socialpolitik and Blackwell Publishing Ltd. 2009.

Suggested Citation

  • Elena Argentesi & Helmut Lütkepohl & Massimo Motta, 2010. "Acquisition of Information and Share Prices: An Empirical Investigation of Cognitive Dissonance," German Economic Review, Verein für Socialpolitik, vol. 11, pages 381-396, August.
    • Handle: RePEc:bla:germec:v:11:y:2010:i::p:381-396
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    References listed on IDEAS

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    1. Norbert Funke & Akimi Matsuda, 2006. "Macroeconomic News and Stock Returns in the United States and Germany," German Economic Review, Verein für Socialpolitik, vol. 7, pages 189-210, May.
    2. Pelizzon, Loriana & Weber, Guglielmo, 2008. "Are Household Portfolios Efficient? an Analysis Conditional on Housing," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 43(2), pages 401-431, June.
    3. Norbert Funke & Akimi Matsuda, 2006. "Macroeconomic News and Stock Returns in the United States and Germany," German Economic Review, Verein für Socialpolitik, vol. 7(2), pages 189-210, May.
    4. Benkwitz, Alexander & Lütkepohl, Helmut & Wolters, Jürgen, 2001. "Comparison Of Bootstrap Confidence Intervals For Impulse Responses Of German Monetary Systems," Macroeconomic Dynamics, Cambridge University Press, vol. 5(1), pages 81-100, February.
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    9. Bénédicte Vidaillet & V. d'Estaintot & P. Abécassis, 2005. "Introduction," Post-Print hal-00287137, HAL.
    10. Mr. Norbert Funke & Mr. Akimi Matsuda, 2002. "Macroeconomic News and Stock Returns in the United States and Germany," IMF Working Papers 2002/239, International Monetary Fund.
    11. Lütkepohl,Helmut & Krätzig,Markus (ed.), 2004. "Applied Time Series Econometrics," Cambridge Books, Cambridge University Press, number 9780521839198, November.
    12. Eliaz, Kfir & Spiegler, Ran, 2006. "Can anticipatory feelings explain anomalous choices of information sources?," Games and Economic Behavior, Elsevier, vol. 56(1), pages 87-104, July.
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    Cited by:

    1. Abreu, Margarida & Mendes, Victor, 2012. "Information, overconfidence and trading: Do the sources of information matter?," Journal of Economic Psychology, Elsevier, vol. 33(4), pages 868-881.
    2. Mark Bowden, 2015. "A model of information flows and confirmatory bias in financial markets," Decisions in Economics and Finance, Springer;Associazione per la Matematica, vol. 38(2), pages 197-215, October.
    3. Riccardo Ferretti & Andrea Cipollini & Francesco Pattarin, 2016. "Can an unglamorous non-event affect prices? The role of newspapers," Cogent Economics & Finance, Taylor & Francis Journals, vol. 4(1), pages 1142847-114, December.
    4. Bellofatto, Anthony & Broihanne, Marie-Hélène & D'Hondt, Catherine, 2019. "Appetite for information and trading behavior," LIDAM Discussion Papers LFIN 2019002, Université catholique de Louvain, Louvain Finance (LFIN).
    5. Diefeng Peng & Yulei Rao & Mei Wang, 2016. "Do Top 10 Lists of Daily Stock Returns Attract Investor Attention? Evidence from a Natural Experiment," International Review of Finance, International Review of Finance Ltd., vol. 16(4), pages 565-593, December.
    6. Joshy Easaw & Atanu Ghoshray & Saeed Heravi, 2014. "Households' Forming Subjective Expectations Using Perceived News: Do Shocks to ‘Good’ News Matter More Than ‘Bad’ News?," Manchester School, University of Manchester, vol. 82(1), pages 1-16, January.

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