Christina Aperjis
Palo Alto
Biography
Christina Aperjis is a researcher in Social Computing at HP Labs since October 2009. She received her Ph.D. in Operations Research from the department of Management Science and Engineering at Stanford in 2009. She earned a Bachelors Degree in Electrical and Computer Engineering from the National Technical University of Athens in Greece.
Research interests
Economics of Information, Incentives, Electronic Commerce, Reputation Mechanisms, Peer-to-Peer Systems,
Applied Operations Research
Publications
Working Papers
Loss Aversion Leading to Advantageous SelectionChristina Aperjis and Filippo Balestrieri
Adaptation and the Provider's Dilemma
Christina Aperjis and Bernardo A. Huberman
Variable Temptations and Black Mark Reputations
Christina Aperjis, Yali Miao, and Richard J. Zeckhauser
NBER Working Paper
Journal Publications
Bilateral and Multilateral Exchanges for Peer-Assisted Content Distribution
Christina Aperjis, Ramesh Johari, and Michael J. Freedman
IEEE/ACM Transactions on Networking, Vol. 19, No. 5, Oct 2011, pp.1290-1303.
Technical Report.
Optimal Windows for Aggregating Ratings in Electronic Marketplaces
Christina Aperjis and Ramesh Johari
Management Science, Vol. 56, No. 5, May 2010, pp. 864-880.
Conference Papers
The Sunk Cost Fallacy in Reverse Auctions
Yu Wu, Hang Ung, and Christina Aperjis
Workshop on the Economics of Networks, Systems and Computation (NetEcon '11) San Jose. June 2011.
Peer-Assisted Content Distribution with Prices 
Christina Aperjis, Michael J. Freedman, and Ramesh Johari
Proc. ACM SIGCOMM Conference on emerging Networking EXperiments and Technologies (CoNext '08)
Madrid, Spain. December 2008.
A Comparison of Bilateral and Multilateral Exchanges for Peer-Assisted Content Distribution
Christina Aperjis, Michael J. Freedman, and Ramesh Johari
Workshop on Network Control and Optimization (NetCoop '08), Paris, France. September 2008.
Prices are Right: Managing Resources and Incentives in Peer-Assisted Content Distribution
Micheal J. Freedman, Christina Aperjis, and Ramesh Johari
Proc. 7th International Workshop on Peer-to-Peer Systems (IPTPS '08) Tampa Bay, FL. February 2008.
A Peer-to-Peer System as an Exchange Economy
Christina Aperjis and Ramesh Johari
Workshop on Game Theory for Networks (GameNets '06) Pisa, Italy. October 2006.
Detailed version.
Other Work
Designing Aggregation Mechanisms for Reputation Systems in Online Marketplaces
Christina Aperjis and Ramesh Johari
ACM SIGecom Exchanges, Vol. 9, No. 1, June 2010.
Designing Reputation Mechanisms for Efficient Trade
Christina Aperjis and Ramesh Johari
Technical report. 2010.
Mechanisms to Manage Incentives in Online Systems
Ph.D. thesis
Christina Aperjis
Stanford University, 2009
Advisor: Ramesh Johari