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Hypothesis testing in event studies: The case of variance changes

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  • Giaccotto, Carmelo
  • Sfiridis, James M.

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  • Giaccotto, Carmelo & Sfiridis, James M., 1996. "Hypothesis testing in event studies: The case of variance changes," Journal of Economics and Business, Elsevier, vol. 48(4), pages 349-370, October.
    • Handle: RePEc:eee:jebusi:v:48:y:1996:i:4:p:349-370
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    9. Corrado, Charles J., 1989. "A nonparametric test for abnormal security-price performance in event studies," Journal of Financial Economics, Elsevier, vol. 23(2), pages 385-395, August.
    10. Sharma, Subhash C. & Giaccotto, Carmelo, 1991. "Power and robustness of jackknife and likelihood-ratio tests for grouped heteroscedasticity," Journal of Econometrics, Elsevier, vol. 49(3), pages 343-372, September.
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    14. Corrado, Charles J. & Zivney, Terry L., 1992. "The Specification and Power of the Sign Test in Event Study Hypothesis Tests Using Daily Stock Returns," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 27(3), pages 465-478, September.
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    21. Asquith, Paul & Mullins, David W, Jr, 1983. "The Impact of Initiating Dividend Payments on Shareholders' Wealth," The Journal of Business, University of Chicago Press, vol. 56(1), pages 77-96, January.
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    2. Trifonov, Dmitri, 2021. "Political connections of Russian corporations: Blessing or curse?," Journal of Behavioral and Experimental Finance, Elsevier, vol. 29(C).
    3. J. David Cummins & Christopher M. Lewis, 2002. "Catastrophic Events, Parameter Uncertainty and the Breakdown of Implicit Long-term Contracting in the Insurance Market: The Case of Terrorism Insurance," Center for Financial Institutions Working Papers 02-40, Wharton School Center for Financial Institutions, University of Pennsylvania.
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    6. Alex Dontoh & Fayez A. Elayan & Joshua Ronen & Tavy Ronen, 2021. "Unfair “Fair Value” in Illiquid Markets: Information Spillover Effects in Times of Crisis," Management Science, INFORMS, vol. 67(8), pages 5163-5193, August.
    7. James Sfiridis & Alan Gelfand, 2002. "A survey of sampling-based Bayesian analysis of financial data," Applied Mathematical Finance, Taylor & Francis Journals, vol. 9(4), pages 273-291.
    8. Onur Enginar & Kazim Baris Atici, 2022. "Optimal forecast error as an unbiased estimator of abnormal return: A proposition," Journal of Forecasting, John Wiley & Sons, Ltd., vol. 41(1), pages 158-166, January.
    9. Elayan, Fayez A. & Aktas, Rafet & Brown, Kareen & Pacharn, Parunchana, 2018. "The impact of the Volcker rule on targeted banks, systemic risk, liquidity, and financial reporting quality," Journal of Economics and Business, Elsevier, vol. 96(C), pages 69-89.
    10. Larry Prather & Ting-Heng Chu & Paul Bayes, 2009. "Market reactions to announcements to expense options," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 33(3), pages 223-245, July.
    11. Adam Bordeman & Bharadwaj Kannan & Roberto Pinheiro, 2021. "Rival Growth Prospects and Equity Prices: Evidence from Mass Layoff Announcements," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 53(8), pages 1969-1997, December.
    12. Fayez A. Elayan & Jingyu Li & Maureen E. Donnelly & Allister W. Young, 2009. "Changes to Income Trust Taxation in Canada: Investor Reaction and Dividend Clientele Theory," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 36(5‐6), pages 725-753, June.
    13. Adina Bărbulescu Robinson & Kapil R. Tuli & Ajay K. Kohli, 2015. "Does Brand Licensing Increase a Licensor's Shareholder Value?," Management Science, INFORMS, vol. 61(6), pages 1436-1455, June.
    14. Neelam Rani & Surendra S Yadav & P.K. Jain, 2015. "Impact of Mergers and Acquisitions on Shareholders’ Wealth in the Short Run: An Event Study Approach," Vikalpa: The Journal for Decision Makers, , vol. 40(3), pages 293-312, September.
    15. Nicolau, Juan Luis & Sharma, Abhinav, 2022. "A review of research into drivers of firm value through event studies in tourism and hospitality: Launching the Annals of Tourism Research curated collection on drivers of firm value through event stu," Annals of Tourism Research, Elsevier, vol. 95(C).
    16. Lim, Leon Gim & Tuli, Kapil R. & Dekimpe, Marnik G., 2018. "Investors' evaluations of price-increase preannouncements," International Journal of Research in Marketing, Elsevier, vol. 35(3), pages 359-377.
    17. Pasirayi, Simbarashe & Fennell, Patrick B., 2021. "The effect of subscription-based direct-to-consumer channel additions on firm value," Journal of Business Research, Elsevier, vol. 123(C), pages 355-366.
    18. Carl Lin, 2011. "Give me your wired and your highly skilled: measuring the impact of immigration policy on employers and shareholders," Working Papers 2011/17, Institut d'Economia de Barcelona (IEB).
    19. Taoufik Bouraoui, 2009. "The impact of stock spams on volatility," Working Papers hal-04140863, HAL.
    20. Fayez A. Elayan & Jingyu Li & Zhefeng Frank Liu & Thomas O. Meyer & Sandra Felton, 2016. "Changes in the Covalence Ethical Quote, Financial Performance and Financial Reporting Quality," Journal of Business Ethics, Springer, vol. 134(3), pages 369-395, March.
    21. Chortareas, Georgios & Cipollini, Andrea & Eissa, Mohamed Abdelaziz, 2012. "Switching to floating exchange rates, devaluations, and stock returns in MENA countries," International Review of Financial Analysis, Elsevier, vol. 21(C), pages 119-127.
    22. Fayez A. Elayan & Kuntara Pukthuanthong & Richard Roll, 2006. "Investor Reaction to Inter‐corporate Business Contracting: Evidence and Explanation," Economic Notes, Banca Monte dei Paschi di Siena SpA, vol. 35(3), pages 253-291, November.
    23. Taoufik Bouraoui, 2009. "The impact of stock spams on volatility," EconomiX Working Papers 2009-30, University of Paris Nanterre, EconomiX.
    24. Georgios Chortareas & Titos Ritsatos & James Sfiridis, 2000. "Capital outflow liberalization and stock market reaction in an emerging market: Experience from Greece," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 24(1), pages 77-89, March.

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