Obviously Strategy-Proof Mechanisms
定义了“显然占优策略”和“显然防策略机制”,证明该机制对认知有限的代理人可识别为弱占优,并给出社会规划者在部分承诺下可实施的选择规则特征。
A strategy is obviously dominant if, for any deviation, at any information set where both strategies first diverge, the best outcome under the deviation is no better than the worst outcome under the dominant strategy. A mechanism is obviously strategy-proof (OSP) if it has an equilibrium in obviously dominant strategies. This has a behavioral interpretation: a strategy is obviously dominant if and only if a cognitively limited agent can recognize it as weakly dominant. It also has a classical interpretation: a choice rule is OSP-implementable if and only if it can be carried out by a social planner under a particular regime of partial commitment.