Chrysanthos Dellarocas

Publications129
h-index47
Citations14,592
Highly Influential Citations999
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The Digitization of Word of Mouth: Promise and Challenges of Online Feedback Mechanisms
TLDR
This paper discusses some important dimensions in which Internet-based feedback mechanisms differ from traditional word-of-mouth networks and surveys the most important issues related to their design, evaluation, and use. Expand
Exploring the value of online product reviews in forecasting sales: The case of motion pictures
TLDR
This study shows that the addition of online product review metrics to a benchmark model that includes prerelease marketing, theater availability and professional critic reviews substantially increases its forecasting accuracy; the forecasting accuracy of the best model outperforms that of several previously published models. Expand
Immunizing online reputation reporting systems against unfair ratings and discriminatory behavior
TLDR
A set of mechanisms are proposed, which eliminate, or significantly reduce the negative effects of such fraudulent behavior, and can be easily integrated into existing online reputation systems in order to safeguard their reliability in the presence of potentially deceitful buyers and sellers. Expand
Introduction to the Special Issue - Social Media and Business Transformation: A Framework for Research
TLDR
A broad research agenda for understanding the relationships among social media, business, and society is outlined and it is hoped that the flexible framework outlined will help guide future research and develop a cumulative research tradition in this area. Expand
The Firm's Management of Social Interactions
Consumer choice is influenced in a direct and meaningful way by the actions taken by others. These “actions” range from face-to-face recommendations from a friend to the passive observation of what a… Expand
The collective intelligence genome
This publication contains reprint articles for which IEEE does not hold copyright. Full text is not available on IEEE Xplore for these articles.
Strategic Manipulation of Internet Opinion Forums: Implications for Consumers and Firms
TLDR
A theoretical analysis of the impact of manipulation of online forums on firm profits and consumer surplus suggests that as the amount of user-contributed online content increases, it is firms, and not consumers, that have most to gain from the development of such technologies. Expand
Harnessing Crowds: Mapping the Genome of Collective Intelligence
Over the past decade, the rise of the Internet has enabled the emergence of surprising new forms of collective intelligence. Examples include Google, Wikipedia, Threadless, and many others. To take… Expand
The Sound of Silence in Online Feedback: Estimating Trading Risks in the Presence of Reporting Bias
TLDR
This study offers a method that allows users of feedback mechanisms where both partners of a bilateral exchange are allowed to report their satisfaction to “see through” the distortions introduced by reporting bias and derive unbiased estimates of the underlying distribution of privately observed outcomes. Expand
Reputation Mechanism Design in Online Trading Environments with Pure Moral Hazard
TLDR
EBay's simple mechanism is capable of inducing the maximum theoretical efficiency independently of the number of recent ratings that are being summarized in a seller's profile, and optimal policies for dealing with missing feedback and easy online identity changes are derived. Expand
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