This article explores a possible connection between two behavioural anomalies in economics, the observed responsiveness of individual decision makers to sunk costs, and the apparent failure of backward induction to predict outcomes in experimental bargaining games. In particular, we show that...

To be effective, norm enforcement often requires the participation of unaffected third parties. The logic of third-party intervention has, however, proven elusive because the costs always seem to outweigh the benefits. Using an evolutionary game theoretic approach, we posit that the intervention...