specific paths to arise and exploit the information that the consumer learned through search. In some cases, the seller …

competition comes from the platform's business model rather than from its information advantage. …

quality and help consumers to make informed purchase decisions (promotional effect). On the other hand, sampling may induce … digital music where consumers can sample the horizontal quality of songs by watching free music videos online. Identifi cation …

Imposing a minimum quality standard (MQS) is conventionally regarded as harmful if firms compete in quantities. This …

This paper considers a market in which only the incumbent's quality is publicly known. The entrant's quality is … about the entrant's quality. When the uninformed consumers' beliefs satisfy the "intuitive criterion" and the "unprejudiced … belief refinement", only a two-sided separating equilibrium can exist and prices are identical to the full information …

information transmission. We find that vagueness is profitably deployed by senders to fool those receivers that lack strategic … precision are not obvious. However, our model and experiment show that information transmission and the welfare of naive … receivers are improved by policies that impose precision. Our results speak to the rules governing firms’ disclosure of quality …