... these responses. Design/methodology/approach The authors use an event study methodology to analyze the market reaction of 1,336 global information technology firms across 41 countries to President Trump’s tariff postponement announcement. Cross-sectional regressions are further conducted to examine how firm...

... The authors collect the data regarding data breach incidents among publicly traded companies in the USA listed in the S&P 500 index from 2013 to 2021. The empirical analysis relies on the event study approach, and the market value of each firm is estimated using the Fama-French three-factor model...