,questions whether norm deviations can be detected and thus punished. By investing in information acquisition, aresponder in an ultimatum … can be rather high (‘high payoff mode’) orlow (‘low payoff mode’). The responder can buy information about the proposer … buy reward information (30 out of 55). Buyingreward information on average did not help the responder nor did it improve …

its owner unless a verification cost is borne. Contracts in such a setting are said to be consistent if agents submit to … verification and honor claims in accordance with prior agreements. The Pareto optimal consistent contracts which emerge are shown …

enforcement costs. Then, we bring our conjectures to rich administrative Swedish microlevel data that include specific information …