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Operational and reputational risk in the European banking industry: The market reaction to operational risk events

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Operational and reputational risk in the European banking industry: The market reaction to operational risk events
Journal of Economic Behavior & Organization 85 (2013) 191–206

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Journal of Economic Behavior & Organization journal homepage: www.elsevier.com/locate/jebo

Operational and reputational risk in the European banking industry:
The market reaction to operational risk eventsଝ
Philipp Sturm ∗
Department of Banking, University of Tübingen, Mohlstraße 36, 72074 Tübingen, Germany

a r t i c l e

i n f o

Article history:
Received 19 August 2011
Received in revised form 17 February 2012
Accepted 13 April 2012
Available online 21 April 2012
JEL classification:
G14
G21
Keywords:
Banks
Event study
Operational risk
Reputational risk

a b s t r a c t
In this paper I study the stock market reaction to the announcement of operational losses in European financial companies. Accounting for the effect of the nominal loss amount allows for an examination of the reputational damage caused by operational loss events.
The analysis is based on a sample of 136 operational losses stemming from a database of the Association of German Public Sector Banks (Bundesverband öffentlicher Banken, VÖB).
All operational loss events affect European financial institutions with settlements reported by the press between January 2000 and December 2009. In line with previous literature, I find a significant negative stock price reaction to the first press announcement of operational losses. Results show that the stock market also reacts negatively to the settlement announcement as losses are confirmed and the loss amount is known. Even after accounting for the nominal loss amount, cumulative abnormal returns are negative following the date of the initial news article and the settlement date indicating damages to the reputation of the firm suffering the operational loss. Multivariate regression results suggest that reputational damages are rather influenced by firm characteristics than characteristics of the operational loss



References: Basel Committee on Banking Supervision, 2009. Proposed Enhancements to the Basel II Framework, Consultative Document, January. Basel Committee on Banking Supervision, 2009. Results from the 2008 Loss Data Collection Exercise for Operational Risk, July. Basel Committee on Banking Supervision, 2006. International Convergence of Capital Measurement and Capital Standards. A Revised Framework. Comprehensive Version, June. Basel Committee on Banking Supervision, 1998. Risk Management for Electronic Banking and Electronic Money Activities, March. Boehmer, E., Musumeci, J., Poulsen, A., 1991. Event-study methodology under conditions of event-induced variance. Journal of Financial Economics 30, 253–272. Brown, K., Harlow, W.V., Tinic, S., 1988. Risk aversion, uncertain information, and market efficiency. Journal of Financial Economics 22, 355–385. Brown, S., Warner, J., 1985. Using daily stock returns: the case of event studies. Journal of Financial Economics 14, 359–399. Cannas, G., Masala, G., Micocci, M., 2009. Quantifying reputational effects for publicly traded financial institutions. Journal of Financial Transformation 27, 76–81. Carretta, A., Farina, V., Martelli, D., Fiordelisi, F., Schwizer, P., 2011. The impact of corporate governance press news on stock market returns. European Financial Management 17, 100–119. Corrado, C., Jordan, B., 1997. Risk aversion, uncertain information, and market efficiency. Review of Quantitative Finance and Accounting 8, 51–68. Cummins, D., Lewis, C., Wei, R., 2006. The market value impact of operational loss events for US banks and insurers. Journal of Banking and Finance 30, 2605–2634. de Fontnouvelle, P., Perry, J., 2005. Measuring Reputational Risk: The Market Reaction to Operational Loss Announcements. Working Paper. Federal Reserve Bank of Boston. de Fontnouvelle, P., DeJesus-Rueff, V., Jordan, J., Rosengreen, E., 2003. Using Loss Data to Quantify Operational Risk. Working Paper. Federal Reserve Bank of Boston. Gillet, R., Hübner, G., Plunus, S., 2010. Operational risk and reputation in the financial industry. Journal of Banking and Finance 34, 224–235. Hong, H., Stein, J., 1999. A unified theory of underreaction, momentum trading, and overreaction in asset markets. Journal of Finance 54, 2143–2184. Karpoff, J., Lott, J., 1993. The reputational penalty firms bear from committing criminal fraud. Journal of Law and Economics 36, 757–802. Kolari, J., Pynnönen, S., 2010. Event study testing with cross-sectional correlation of abnormal returns. Review of Financial Studies 23, 3996–4025. MacKinlay, C., 1997. Event studies in economics and finance. Journal of Economic Literature 35, 13–39. Moosa, I., 2007. Operational risk: a survey. Financial Markets, Institutions & Instruments 16, 167–200. Murphy, D., Shrieves, R., Tibbs, S., 2009. Understanding the penalties associated with corporate misconduct: an empirical analysis of earnings and risk. Palmrose, Z., Richardson, V., Scholz, S., 2004. Determinants of market reactions to restatement announcements. Journal of Accounting and Economics 37, 59–89. Plunus, S., Gillet, R., Hübner, G., 2009. Reputational Damage on the Bond Market: Evidence form Operational Losses in the Financial Industry. Working Paper No Spyrou, S., Kassimatis, K., Galariotis, E., 2007. Short-term overreaction, underreaction and efficient reaction: evidence from the London Stock Exchange. Solako˘ lu, N., Köse, A., 2009. Operational risk and stock market returns: evidence from Turkey. In: Gregoriou, G. (Ed.), Operational Risk Toward Basel III: g Walter, I., 2007. Reputational risk and conflicts of interest in banking and finance: the evidence so far. Journal of Financial Transformation 21, 39–54.

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