Showing 1 - 10 of 165
Online communities provide a social sphere for people to share information and knowledge. While information sharing is becoming a ubiquitous online phenomenon, how to ensure information quality or induce quality content, however, remains a challenge due to the anonymity of commentators. This...
Persistent link: https://www.econbiz.de/10014203487
Online reputation trading is a new phenomenon facilitated by the prosperity of e-commerce and social networks. Whether reputations will be reliable when people can purchase rather than build their reputations is a natural concern and also a challenge to online marketplaces. In the present study,...
Persistent link: https://www.econbiz.de/10014036113
We study reputations with imperfect audit and a reputation market. The main result shows the existence of a separating equilibrium in the reputation market, which contrasts with Tadelis [Tadelis, S., 2002, The market for reputations as an incentive mechanism, Journal of Political Economy 110(4),...
Persistent link: https://www.econbiz.de/10014212067
We set up a game-theoretic model to examine the oligopolistic price competition, considering two features of online search: the existence of a common search ordering and shoppers who have non-positive search cost. We find that in equilibrium firms set their prices probabilistically rather than...
Persistent link: https://www.econbiz.de/10013038919
Procurement auctions are sometimes plagued with a chosen supplier's failing to accomplish a project successfully. The risk of project failure is considerable, especially when the buyer has inadequate information about suppliers ex ante and the project can only be evaluated at the end. To manage...
Persistent link: https://www.econbiz.de/10013039477
This paper studies how to endogenously assess the value of a ldquo;superiorrdquo; advertising position within the price competition and examines the resulting location competition outcomes and price dispersion patterns. We consider a game-theoretic model in which firms compete for advertising...
Persistent link: https://www.econbiz.de/10012749861
Motivated by the enormous growth of keyword advertising, this paper explores the design of unit-price contract auctions, in which bidders bid their unit prices, and the winner is chosen based on both their bids and performance levels. The previous literature in unit-price contract auctions...
Persistent link: https://www.econbiz.de/10012712712
This paper analyzes how the presence of organic listing as a competing information source affects advertisers' sponsored bidding and the equilibrium outcomes in search advertising. We consider a game-theoretic model in which two firms bid for sponsored advertising slots provided by a...
Persistent link: https://www.econbiz.de/10014207701
Keyword advertising, or "sponsored links" that appear alongside online search results or other online content, has grown into a multibillion-dollar market. Providers of keyword advertising, such as Google and Yahoo!, profit by auctioning keywords to advertisers. One issue of increasing...
Persistent link: https://www.econbiz.de/10014058471
Online communities provide a social sphere for people to share information and knowledge. While information sharing is becoming a ubiquitous online phenomenon, how to ensure information quality or induce quality content, however, remains a challenge due to the anonymity of commentators. This...
Persistent link: https://www.econbiz.de/10008479189