A large literature is concerned with analysis and empirical application of theories of decision making for environments with risky outcomes. Expected value theory has been known for centuries to be subject to critique by St. Petersburg paradox arguments. More recently, theories of risk aversion...

This paper reports three experiments with triadic or dyadic designs. The experiments include the moonlighting game in which first-mover actions can elicit positively or negatively reciprocal reactions from second movers. First movers can be motivated by trust in positive reciprocity or fear of...

Trust and reciprocity have been observed in experiments with simple stylized games. Such characteristics of social preferences have been observed to vary with procedures that alter the social environment in an experiment, such as single blind or double blind payoff protocols. This paper reports...