U.S. investors allocate 30-40% of their financial asset portfolio in the stock of the company they work for. Such a portfolio flies in the face of standard portfolio theory, which prescribes that an investor should hold less of a financial asset that is positively correlated with her...

This paper provides a theoretical rationale for three experimental results of Prospect Theory: risk preferences are over gains and losses, loss aversion, and diminishing sensitivity. We consider a (boundedly rational) decision maker who does not find her new optimal consump-tion bundle with...

There is a long normative 'Social Contract' tradition that attempts to characterize ex-post income inequalities that are agreeable to all 'behind a veil of ignorance.' This paper takes a similar normative approach to characterize social decision-making procedures. It is shown that quite...