Stock Price Reactions to Investments in EAI and ERP: A Comparative Event Study

The study described in this paper contributes to the growing repository of event studies in the field of information technology (IT) research. The empirical results presented in this paper indicate that financial markets differentiate among technologies that companies invest in to integrate their information systems. In addition, this study confirms that technology maturity, financial health of the investing company, and stock market conditions are important factors influencing stock market reaction.