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DESCRIPTION:\n\nHeui Jae Choi\, a doctoral student at 91ºÚÁÏÍø in 
 the area of Information Systems will be presenting her research proposal e
 ntitled:\n\nThree Essays on Information and Decision-Making in Digital Pla
 tforms\n\nTuesday\, May 19\, 2026\, at 11:00 a.m.\n\nStudent Committee Cha
 ir: Professor Kunsoo Han and Professor Warut Khern-am-nuai\n\nPlease note 
 that the presentation will be conducted in person. If you wish to particip
 ate\, please reach out to the PhD office for the room number.\n\n\nABSTRAC
 T\n\nThe rapid advancement of information technology (IT) has fundamentall
 y transformed the information environment of digital platforms by enabling
  multiple actors\, including users\, firms\, and regulators\, to generate\
 , shape\, and impose information that influences individual decision-makin
 g. As platform information becomes increasingly diverse in source and moda
 lity\, an important question for information systems research is how these
  different forms of information affect behavior across digital contexts.\n
 \nThis thesis investigates how information generated by users\, facilitate
 d by firms\, and imposed by regulators influences behavioral outcomes on d
 igital platforms. Essay 1 examines user-generated information in online re
 views. It investigates how inconsistency across review cues\, including st
 ar ratings\, textual sentiment\, and user-generated images\, affects purch
 ase behavior. Essay 2 focuses on firm-facilitated information in AI-driven
  recommendation systems and explores how human involvement shapes consumer
  purchase decisions\, as well as the contextual and relational conditions 
 under which such involvement becomes more or less effective. Essay 3 studi
 es regulation-induced information on video-sharing platforms by examining 
 how mandated identity disclosure influences audience engagement and how su
 ch disclosure may trigger perceived violations of the implicit psychologic
 al contracts between creators and audiences. Taken together\, the three es
 says advance understanding of how information influences decision-making o
 n digital platforms by highlighting the roles of cue inconsistency\, multi
 modal information\, human involvement\, and regulatory disclosure.\n
DTSTART:20260319T150000Z
DTEND:20260319T170000Z
SUMMARY:PhD Research Proposal Presentation: Heui Jae Choi
URL:/desautels/channels/event/phd-research-proposal-pr
 esentation-heui-jae-choi-372895
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