Erdinc Akyildirim , Thomas Conlon , Shaen Corbet , Yang (Greg) Hou
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引用次数: 0
Abstract
Increasing levels of digitisation make firms more susceptible to cyberattacks and privacy violations. In this paper, we quantify the impact of cybercrime on company stock returns using a large international sample. On the day after the cyber event, stock returns are found to decrease by -0.24%, but the effect reverses in about two weeks. The magnitude of the decrease in the stock market is greatest for companies that have experienced reoccurring events and for breaches deemed to be most severe. We show that the extent of the stock market decline cannot be explained by national institutional and macroeconomic factors, and is related to company-specific characteristics, including size, volatility, credit ranking and asset volatility. The empirical results highlight important policy and regulatory issues, not least the need for cyber risk disclosure requirements.
期刊介绍：
International trade, financing and investments, and the related cash and credit transactions, have grown at an extremely rapid pace in recent years. The international monetary system has continued to evolve to accommodate the need for foreign-currency denominated transactions and in the process has provided opportunities for its ongoing observation and study. The purpose of the Journal of International Financial Markets, Institutions & Money is to publish rigorous, original articles dealing with the international aspects of financial markets, institutions and money. Theoretical/conceptual and empirical papers providing meaningful insights into the subject areas will be considered. The following topic areas, although not exhaustive, are representative of the coverage in this Journal. • International financial markets • International securities markets • Foreign exchange markets • Eurocurrency markets • International syndications • Term structures of Eurocurrency rates • Determination of exchange rates • Information, speculation and parity • Forward rates and swaps • International payment mechanisms • International commercial banking; • International investment banking • Central bank intervention • International monetary systems • Balance of payments.
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