اثر اخبار IT بر ارزش شرکت مهمانداری با استفاده از بازده غیرعادی تجمعی

The impact of information technology (IT) news on firm value have been investigated and discussed in various industry settings. Some reports indicate positive impacts while others find negative or no significant impact at all. The purpose of this event study is to examine how financial markets perceive various types of IT news regarding hospitality companies. Nine categories of IT news are created for investigation and the study estimates cumulative abnormal returns (CARs) to determine the impacts of such news on stock price movements. The findings suggest no significant impact from IT news on firm value, supporting the IT paradox theory.