This dissertation, which comprises three independent essays, explores the dynamics of online user behavior and provides IS policy implications across three different applications. The first essay employs an econometric empirical analysis to examine the role of IT interventions on online users' gambling behavior, based on field data collected over…

The prospect of a threat to one's health or an opportunity for improved health can spark emotional reactions--the fear of an illness or the hope of a healthier life. People are increasingly turning to the Internet to search for information related to such health issues. However, the dizzying amount of online health information--some of it of…