... of stakeholder orientation and responsibility categories of CSR announcements, the platform enterprise type and the degree of CSR disclosure. Design/methodology/approach The event study method is used to analyse the change in stock market value of 191 CSR announcements from 137 Chinese platform enterprises...

... Using 220 blockchain implementations announced between January 2015 and December 2022, we use the event study methodology to estimate the effects of blockchain implementation on the firm value. Regression analyses are conducted to examine the moderating effects of blockchain functions and supply chain...

... of AI service failure events, including their industry, size, timing, and type, on firm value. Design/methodology/approach This study will conduct an event study of 120 AI service failure events in listed companies to evaluate the costs of such events. Findings First, AI service failure events...

... by Chinese listed firms during January 2021–August 2023, we employ an event study approach to test the hypotheses. Findings We find that metaverse implementation announcements elicit a positive stock market reaction. Moreover, the stock market reaction is stronger for technology-focused announcements...

... in an emerging market. From 2016 to 2021, a total of 113 BCPAs of listed firms from the Chinese A-share market are selected as samples. Design/methodology/approach This study is based on the loose coupling theory and uses the event study method and probit regression analysis. Findings We find BCPAs...

... applies the event study method and cross-sectional regression analysis, taking 168 digital technology innovations for social responsibility issued by 88 listed platform enterprises from 2011 to 2022 to study the impact of digital technology innovations for social responsibility announcements of different...

.../approach Based on 172 digital supply chain announcements disclosing CSR information from Chinese A-share listed companies, this study uses event study method to test the hypotheses. Findings First, digital supply chain announcements disclosing CSR information generate positive and significant market...

... returns, information asymmetry and unsystematic firm risk in the context of COVID-19. Design/methodology/approach This paper employs an event study methodology and examines data breach events released in public databases, spanning pre- and post-COVID settings. This study investigated 283 data breaches...

...-commerce initiatives for supply chain distribution channel expansions. Design/methodology/approach Using secondary data collected from multiple sources, this research conducted an event study to examine the stock market reactions to the announcements of e-commerce initiatives of Chinese firms...

... of equity risk. Design/methodology/approach – This study employs the event study methodology and examines the pre- and post-movements of firms’ equity structure around the ISO 14001 certification date. This study investigated 5,189 listed firms in the New York Stock Exchange and National Association...