Based on economic ethics, this paper reflects on and aims to improve the semantics of responsibility. The traditional concept of responsibility is threatened with erosion when responsibility is attributed to an actor who is unable to exercise individual control over the outcome of his actions....

Identifying the strategies that are played is critical to understanding behavior in repeated games. This process is difficult because only choices (not strategies) are observable. Recently, a debate has emerged regarding whether subjects play mixed strategies in the indefinitely repeated...