studies how past choices influence future choices through attention; agent is aware of chosen alternatives and always considers them; WARP violation self-resolves over time; links attention across time and attention "at a given time"

    studies changes in risk attitude when the amount of risk a subject can take / avoid is increased; avoidable risk increases risk aversion.

    studies structural violations of standard models as related to WARP violations through reference dependence; agent is more risk averse (resp. impatient, fairer) when safer (resp. sooner, more equitable) options are available but not necessarily chosen.