by a draw from an Ellsberg urn. In a within-subject experiment, subjects make decisions in three different bargaining …

, with either a negative externality on a third participant, uncertainty about gains from cooperation, or both. Uncertainty … foster cooperation. If we combine both qualifications and do not control for beliefs, we only find an uncertainty effect. If …

expected. -- Oligopoly ; Collusion ; experiment ; Uncertainty ; negative externalities ; prisoner's dilemma …, with either a negative externality on a third participant, uncertainty about gains from cooperation, or both. Uncertainty … foster cooperation. If we combine both qualifications and do not control for beliefs, we only find an uncertainty effect. If …

uncertainty affects work performance and willingness to compete in the field, it can be studied in a controlled lab experiment. We … present a novel experiment where subjects can compete against each other, but where the number of winners is either uncertain … willingness to enter competition with uncertainty and ambiguity, but men react slightly more than women. Overall, both effects …

uncertainty affects work performance and willingness to compete in the field, it can be studied in a controlled lab experiment. We … present a novel experiment where subjects can compete against each other, but where the number of winners is either uncertain … willingness to enter competition with uncertainty and ambiguity, but men react slightly more than women. Overall, both effects …

. While it is hard to measure how this uncertainty affects work performance and willingness to compete in the field, it can be … studied in a controlled lab experiment. We present a novel experiment where subjects can compete against each other, but the … men winning the tournament significantly more often than women under uncertainty and ambiguity. These findings suggest …

. While it is hard to measure how this uncertainty affects work performance and willingness to compete in the field, it can be … studied in a controlled lab experiment. We present a novel experiment where subjects can compete against each other, but the … men winning the tournament significantly more often than women under uncertainty and ambiguity. These findings suggest …

aversion (CRRA). Using the data from a recent experiment by Holt and Laury (2002), it is shown that most subjects' behavior is … experiment. Within-subject data do not allow discriminating between the two hypotheses. Using between-subject data, maximum …