Ramnath K. Chellappa

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  • Associate Professor of Information Systems & Operations Management
  • Caldwell Research Fellow
  • Phone: 404-727-7599
  • Fax: 404-727-6313

Mailing Address:

Goizueta Business School
Emory University
1300 Clifton Road NE
Atlanta, GA 30322


Dr. Ramnath K. Chellappa is an Associate Professor of Information Systems & Operations Management and the Caldwell Research Fellow at the Goizueta Business School, Emory University. He serves as the area's Doctoral Coordinator. He is also the SRITNE Distinguished Academic Fellow at the Indian School of Business, Hyderabad.

Prof. Chellappa joined the Goizueta Business School faculty in Fall 2005. He served on the faculty of Marshall School of Business, University of Southern California from 1997 - 2005, and was also the founding director of the Electronic Economy Research Lab (eBizLab) at USC. He has been affiliated with the Center for Telecom Management at USC and the Center for Research in Electronic Commerce at the University of Texas at Austin.

Prof. Chellappa's expertise is in the field of electronic markets, pricing, digital goods and economics of information security and privacy. His research in the areas of digital product piracy has been widely published in leading journals and conferences. His work on information privacy, and decline of music sales has received best paper awards in premier conferences. His recent works examine pricing in the US domestic airline industry, competitive dynamics in business software industries and digitization in the entertainment industry. His research methods include analytical modeling, empirical modeling and social network analysis.

Prof. Chellappa also works closely with the industry on the managerial aspects of information technology driven issues. He co-authored a study on the design of Identity Management systems that was supported by the Advanced Practices Council of the Society for Information Management. He serves as a litigation expert (expert witness) on a number of technology related cases, and also consults for the entertainment industry, particularly on digitization of media. Prof. Chellappa is often quoted in the popular media on information privacy and security related issues.

He received his PhD from the McCombs School of Business at the University of Texas in Austin in 1997 where his work resulted in the creation and scholarly definition of the term "Cloud Computing".

Prof. Chellappa has taught courses at the undergraduate, MBA, and PhD levels in the areas of information systems, operations management, economics and analytics. He has also designed and taught courses for executive education including in the Medical Management Program at USC. At Emory, he teaches in the MBA and PhD programs.


  • Chellappa, R.K., Sin, R., and Siddarth, S., "Price-Image as a Source of Price Dispersion: A Study of Online and Offline Prices in the Domestic US Airline Market," Information Systems Research, Vol. 22, No. 1, pp. 83-98, 2011.
  • Chellappa, R.K., and Saraf, N., "Alliances, Rivalry and Firm Performance in Enterprise Systems Software Markets: A Social Network Approach," Information Systems Research, Vol. 21, No. 4, pp. 849-71, 2010.
  • Chellappa, R.K., and Shivendu, S., "Mechanism Design for 'Free' but 'No Free Disposal' Services: The Economics of Personalization under Privacy Concerns," Management Science, Vol. 56, No. 10, pp. 1766-1780. 2010
  • Chellappa, R.K., Sambamurthy, V., and Saraf, N., "Competing in Crowded Markets: Multimarket Contact and the Nature of Competition in the Enterprise Systems Software Industry," Information Systems Research, Vol. 21, No. 3, pp 614-630, 2010.

Working Papers

  • Chellappa, R.K., Chen, Y, and Venkataraman, S., "An Empirical Examination of Global Software Piracy: Pricing and Policy Implications," under review
  • Chellappa, R.K., and Sin, R., "Competition for Customer Information: An Economic Model of Online Personalization Strategies in the Presence of Privacy Concerns," under review.
  • Chellappa, R.K., and Mehra, A., "Versioning and Pricing of 'No Free Disposal' Information Goods with Development Costs," manuscript in preparation.

Areas of Specialization

  • Digital Product Pricing and Piracy
  • Economics of Privacy
  • Electronic Markets and US Airline Pricing
  • Management of Information Security and Privacy
  • Competitive Dynamics in Software and High-tech Industries
  • Pricing for Cloud Computing

Achievements and Honors

  • Best Doctoral Student Paper Award, 13th INFORMS Conference on Information Systems and Technology, Washington, DC, 2008
  • Full-Time MBA Educator of the Year Award, Goizueta Business School, Emory University, 2007
  • Best Paper Award, 8th INFORMS Conference on Information Systems and Technology, Atlanta, GA 2003
  • Best Paper Award Nominee, Internet and the Digital Economy Track at The Hawaii International Conference on System Sciences, January 2003

Memberships and Activities

  • Keynote Panelist - Looking at a Practical Application of Cloud Computing - A Close Scan of Lessons Learned, Marcus Evans CIO Summit, Las Vegas, NV, Apr 11-13, 2010
  • Keynote Panelist - Defense before Offense: Safeguarding Our Corporate Data and Neutralizing the Growing IT Security Threats of Our Days, Marcus Evans CIO Summit, Las Vegas, NV, Apr 11-13, 2010
  • Associate Editor, Information Systems Research (Fall 2008 - )
  • Program Committee Member, INFORMS Conference on Information Systems and Technology (CIST), 2002-2010
  • Association for Information Systems
  • American Economic Association
  • Association for Computing Machinery
  • Mini-track Co-Chair, Ethical, Legal and Economic Issues in the Digital Economy: Hawaii International Conference on System Sciences, 2004, 2005, 2006
  • Session Co-Chair, E-Business Management track, International Conference on Electronic Commerce, Oct 1-3, 2003


  • Ph.D., McCombs School of Business, The University of Texas at Austin, Austin, TX 1997
  • Master's Engineering, The University of Texas at Austin, Austin, TX 1993
  • Bachelor's, Institute of Technology-BHU, Varanasi, India 1991