In the last years, online rating and reputational mechanisms have become increasingly important in the regulation of behavior in the platform economy. Consumers tend to rely on online reviews to distinguish between service providers both in the business-to-consumer and peer-to-peer economy. The European Commission, the Federal Trade Commission as well as a strand of legal scholarship have praised these online mechanisms for generating valuable information, reducing market failures, and managing consumer risks. However, this position has overlooked evidence suggesting that the additional data provided by online reputation might not be able to address information asymmetries due to the multiple shortcomings of existing online reputational mec...