BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//AMSE//Event Calendar//FR
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:event-11460@www.amse-aixmarseille.fr
DTSTAMP:20260421T182954Z
CREATED:20260421T182954Z
LAST-MODIFIED:20260421T182954Z
STATUS:CONFIRMED
SEQUENCE:0
SUMMARY:Economic theory seminar - Wanda Mimra
DTSTART:20241115T110000Z
DTEND:20241115T120000Z
DESCRIPTION:In this paper\, we experimentally investigate the effect of pub
 lic consumer ratings on market outcomes in credence goods markets. Contrary
  to search or experience goods\, consumers can- not evaluate all dimensions
  of trade for credence goods\, which may inhibit the information and reputa
 tion-building value of public rating systems. We implement a healthcare mar
 ket frame in which physicians as experts have an informational advantage ov
 er patients with respect to the appropriate treatment. The rating system ta
 kes the form of a five-star rating system as is common on online rating web
 sites. The value of this rating system is compared in two different expert 
 market settings: First\, one in which patients cannot rely on information f
 rom personal experience with the expert\, reflecting markets in which consu
 mer-expert interactions are often first-time and in- frequent (e.g. special
 ist visits). Second\, one in which patients have personal experience with t
 he expert\, reflecting markets in which consumer-expert interactions are fr
 equent and repeated (e.g. general practitioner visits). We find that the pu
 blic rating system significantly improves market outcomes. Furthermore\, a 
 public rating system is a good substitute for personal experience in- forma
 tion in terms of market efficiency and consumer surplus. Combined\, however
 \, we find no complementarity between public ratings and personal experienc
 e information\, mainly due to the already high market efficiency in the pre
 sence of either one.\\n\\nContact: Jiakun Zheng: jiakun.zheng[at]univ-amu.
 fr\n\nPlus d'informations: https://www.amse-aixmarseille.fr/en/events/wanda
 -mimra-0
LOCATION:Îlot Bernard du Bois - Salle 16\, AMU - AMSE\, 5-9 boulevard Maur
 ice Bourdet\, 13001 Marseille
URL;VALUE=URI:https://www.amse-aixmarseille.fr/en/events/wanda-mimra-0
CONTACT:Jiakun Zheng:&nbsp\;jiakun.zheng[at]univ-amu.fr
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR