IDEAS home Printed from https://ideas.repec.org/p/pra/mprapa/124877.html
   My bibliography  Save this paper

Disinformation and “Bad” Financial Speculations: A Mechanism behind Financial Crises

Author

Listed:
  • Harashima, Taiji

Abstract

Some financial speculations are similar to gambling or Ponzi schemes because they are undertaken to extract other people’s economic resources. In this sense, there will be “good” and “bad” financial speculations. In this paper, I construct static and dynamic models of bad speculations and show that an important determinant of the amount of bad speculation is the economic cost (inefficiency) generated, particularly by disinformation that is disseminated for the speculation. The economic cost and amount of bad speculation are influenced by the ability and effort of regulatory authorities, and if that ability largely deteriorates, the amount of bad speculation will greatly increase and a financial crisis will occur. Hence, people must look for signs of deterioration of the ability of the regulatory authority to prevent financial crises.

Suggested Citation

  • Harashima, Taiji, 2025. "Disinformation and “Bad” Financial Speculations: A Mechanism behind Financial Crises," MPRA Paper 124877, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:124877
    as

    Download full text from publisher

    File URL: https://mpra.ub.uni-muenchen.de/124877/1/MPRA_paper_124877.pdf
    File Function: original version
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Robin Greenwood & Samuel G. Hanson, 2013. "Issuer Quality and Corporate Bond Returns," The Review of Financial Studies, Society for Financial Studies, vol. 26(6), pages 1483-1525.
    2. Matthew Baron & Wei Xiong, 2017. "Credit Expansion and Neglected Crash Risk," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 132(2), pages 713-764.
    3. Arvind Krishnamurthy & Tyler Muir, 2017. "How Credit Cycles across a Financial Crisis," NBER Working Papers 23850, National Bureau of Economic Research, Inc.
    4. Moritz Schularick & Alan M. Taylor, 2012. "Credit Booms Gone Bust: Monetary Policy, Leverage Cycles, and Financial Crises, 1870-2008," American Economic Review, American Economic Association, vol. 102(2), pages 1029-1061, April.
    5. Harashima, Taiji, 2024. "Disinformation and Mutual Trust: An Economic Model," MPRA Paper 121865, University Library of Munich, Germany.
    6. Taiji Harashima, 2004. "The Ultimate Source of Inflation: A Microfoundation of the Fiscal Theory of the Price Level," Macroeconomics 0409018, University Library of Munich, Germany, revised 30 Mar 2005.
    7. Harashima, Taiji, 2008. "A Microfounded Mechanism of Observed Substantial Inflation Persistence," MPRA Paper 10668, University Library of Munich, Germany.
    8. Harashima, Taiji, 2010. "Sustainable Heterogeneity: Inequality, Growth, and Social Welfare in a Heterogeneous Population," MPRA Paper 22521, University Library of Munich, Germany.
    9. Harashima, Taiji, 2021. "Economic Inequality and Heterogeneous Success Rates of Investment," MPRA Paper 110688, University Library of Munich, Germany.
    10. Harashima, Taiji, 2025. "Disinformation, Benefit of Group Membership, and Conscience: An Economic Model," MPRA Paper 124120, University Library of Munich, Germany.
    11. Harashima, Taiji, 2009. "A Theory of Total Factor Productivity and the Convergence Hypothesis: Workers’ Innovations as an Essential Element," MPRA Paper 15508, University Library of Munich, Germany.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Harashima, Taiji, 2020. "A Theory of the Credit-to-GDP Gap: Using Credit Gaps to Predict Financial Crises," MPRA Paper 111732, University Library of Munich, Germany.
    2. Brandão-Marques, Luis & Chen, Qianying & Raddatz, Claudio & Vandenbussche, Jérôme & Xie, Peichu, 2022. "The riskiness of credit allocation and financial stability," Journal of Financial Intermediation, Elsevier, vol. 51(C).
    3. Jon Danielsson & Marcela Valenzuela & Ilknur Zer, 2023. "The Impact of Risk Cycles on Business Cycles: A Historical View," The Review of Financial Studies, Society for Financial Studies, vol. 36(7), pages 2922-2961.
    4. Gomes, João F. & Grotteria, Marco & Wachter, Jessica A., 2023. "Foreseen risks," Journal of Economic Theory, Elsevier, vol. 212(C).
    5. Liu, Xuewen & Wang, Pengfei & Yang, Zhongchao, 2024. "Delayed crises and slow recoveries," Journal of Financial Economics, Elsevier, vol. 152(C).
    6. Dieckelmann, Daniel, 2021. "Market sentiment, financial fragility, and economic activity: The role of corporate securities issuance," Discussion Papers 2021/6, Free University Berlin, School of Business & Economics.
    7. Mariassunta Giannetti & YeeJin Jang, 2025. "Who Lends Before Banking Crises? Evidence from the International Syndicated Loan Market," Management Science, INFORMS, vol. 71(3), pages 2289-2310, March.
    8. Emil Verner & Győző Gyöngyösi, 2020. "Household Debt Revaluation and the Real Economy: Evidence from a Foreign Currency Debt Crisis," American Economic Review, American Economic Association, vol. 110(9), pages 2667-2702, September.
    9. Krishnamurthy, Arvind & Li, Wenhao, 2020. "Dissecting Mechanisms of Financial Crises: Intermediation and Sentiment," Research Papers 3874, Stanford University, Graduate School of Business.
    10. Huseyin Gulen & Mihai Ion & Candace E Jens & Stefano Rossi, 2024. "Credit Cycles, Expectations, and Corporate Investment," The Review of Financial Studies, Society for Financial Studies, vol. 37(11), pages 3335-3385.
    11. Pablo Pastory y Camarasa & Martien Lamers, 2023. "Do Actions Follow Words? How bank sentiment predicts credit growth," Working Papers of Faculty of Economics and Business Administration, Ghent University, Belgium 23/1073, Ghent University, Faculty of Economics and Business Administration.
    12. Pascal Paul, 2018. "Historical Patterns of Inequality and Productivity around Financial Crises," 2018 Meeting Papers 583, Society for Economic Dynamics.
    13. David López-Salido & Jeremy C. Stein & Egon Zakrajšek, 2017. "Credit-Market Sentiment and the Business Cycle," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 132(3), pages 1373-1426.
    14. Jon Danielsson & Marcela Valenzuela & Ilknur Zer, 2018. "Learning from History: Volatility and Financial Crises," The Review of Financial Studies, Society for Financial Studies, vol. 31(7), pages 2774-2805.
    15. Gemmi, Luca, 2024. "Rational overoptimism and limited liability," Journal of Monetary Economics, Elsevier, vol. 143(C).
    16. Taiji HARASHIMA, 2016. "A Theory Of Deflation: Can Expectations Be Influenced By A Central Bank?," Theoretical and Practical Research in the Economic Fields, ASERS Publishing, vol. 7(2), pages 98-145.
    17. Harashima, Taiji, 2015. "A Way Out of the Euro Crisis: Fiscal Transfers Are Indispensable for Sustainability in a Union with Heterogeneous Members," MPRA Paper 63025, University Library of Munich, Germany.
    18. Ding Du & Ou Hu, 2020. "Why does stock-market investor sentiment influence corporate investment?," Review of Quantitative Finance and Accounting, Springer, vol. 54(4), pages 1221-1246, May.
    19. Vincenzo Cuciniello & Nicola di Iasio, 2020. "Determinants of the credit cycle: a flow analysis of the extensive margin," Temi di discussione (Economic working papers) 1266, Bank of Italy, Economic Research and International Relations Area.
    20. Atif Mian & Amir Sufi & Emil Verner, 2017. "Household Debt and Business Cycles Worldwide," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 132(4), pages 1755-1817.

    More about this item

    Keywords

    Disinformation; Financial crisis; Financial regulation; Inefficiency; Speculation;
    All these keywords.

    JEL classification:

    • D53 - Microeconomics - - General Equilibrium and Disequilibrium - - - Financial Markets
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
    • G01 - Financial Economics - - General - - - Financial Crises
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation

    NEP fields

    This paper has been announced in the following NEP Reports:

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:pra:mprapa:124877. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Joachim Winter (email available below). General contact details of provider: https://edirc.repec.org/data/vfmunde.html .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.