Leung, Weiwen2020-10-262020-10-262018-08https://hdl.handle.net/11299/216866University of Minnesota Ph.D. dissertation.August 2018. Major: Economics. Advisor: Aldo Rustichini. 1 computer file (PDF); ix, 75 pages.Behavioral economics has grown immensely since Richard Thaler founded the field. In this thesis, I explore three different areas of behavioral economics. The first chapter explores how mood affects contributions to Wikipedia, an online public good. The second chapter explores whether self-restraint can be a driver of crime. The third chapter explores whether rational inattention in valuations can be a source of risk aversion.enThesis or Dissertation