The Market for Evaluations
提出通过计算机化市场运作的定价和补贴机制，以解决产品评价作为公共品可能供应不足、评价者排序低效以及最优评价数量依赖初始评价结果这三大挑战。
Recent developments in computer networks have driven the cost of distributing information virtually to zero, creating extraordinary opportunities for sharing product evaluations. We present pricing and subsidy mechanisms that operate through a computerized market and induce the efficient provision of evaluations. The mechanisms overcome three major challenges: first, evaluations, which are public goods, are likely to be underprovided; second, an inefficient ordering of evaluators may arise; third, the optimal quantity of evaluations depends on what is learned from the initial evaluations.