Moneymakers and bartering in online games

Jane E. Lee, Ah Reum Kang, Huy Kang Kim, Juyong Park

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We study the interpersonal trade network from a Massively Multiplayer Online Role-Playing Game (MMORPG), where players actively engage in the exchange and sales of goods and items in a hyperrealistic virtual environment. In this paper we introduce the concept of Standard Price (SP) of items computed from the trade network, which allows us to investigate the relation between the profitability of a trade and the structure of the social networks of the users. We find that the social network is correlated with the outcome of interpersonal trades. For instance, we observe that the margin of profit in a trade correlates with the social distance between trading partners, suggesting that social affinity implies shared information on the value of an item.

Original languageEnglish
Title of host publicationComplex Networks V
Subtitle of host publicationProceedings of the 5th Workshop on Complex Networks CompleNet 2014
PublisherSpringer Verlag
Number of pages8
ISBN (Print)9783319054001
Publication statusPublished - 2014

Publication series

NameStudies in Computational Intelligence
ISSN (Print)1860-949X

Bibliographical note

Funding Information:
We would like to to thank NCSoft, Inc., for providing us with data. This work was supported by the National Research Foundation of Korea (NRF-20100004910 and NRF-2010-330-B00028), IT R&D program of MSIP/KEIT (10045459, Development of Social Storyboard Technology for Highly Satisfactory Cultural and Tourist Contents based on Unstructured Value Data Spidering), MSIP of Korea under the C-ITRC support program (NIPA-2013-H0301-13-3007) supervised by the NIPA.

ASJC Scopus subject areas

  • Artificial Intelligence


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