How do people make investment decisions when they receive outcome feedback? We examinedhow well the standard mean-variance model and two reinforcement models predict people’sportfolio decisions. The basic reinforcement model predicts a learning process that relies solelyon the portfolio’s...

Relying on the specific example of ultimatum bargaining experiments this paperexplores the possible role of empirical knowledge of behavioural “norm(ative)facts” within the search for (W)RE – (Wide) Reflective Equilibria on normativeissues. Assuming that “pro-social” behaviour...