Ramnath Chellappa - Emory University, Goizueta Business School. Atlanta, GA, US

Ramnath Chellappa Ramnath Chellappa

Associate Professor of Information Systems & Operations Management | Emory University, Goizueta Business School

Atlanta, GA, US

Professor Chellappa works closely with the industry on the managerial aspects of information technology driven issues.




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.

Areas of Expertise (6)

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

Education (3)

The University of Texas at Austin, McCombs School of Business: Ph.D., Management 1997

The University of Texas at Austin: M.Sc., Petroleum Engineering 1993

Indian Institute of Technology (BHU), Varanasi: B.Tech, Mining Engineering 1991

Media Appearances (5)

SRITNE Distinguished Academic Fellow

AJC  online


“With the Internet of Things, everything is going to be connected and generating data, downloading data and talking back to data,” said Ramnath Chellappa, a specialist in information systems at Emory University’s Goizueta Business School...

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A potted history of cloud computing

The Register  online


The first known academic usage and definition of the term Cloud Computing seems to be by Prof. Ramnath Chellappa of Emory University and University of Southern California, in a talk titled Intermediaries in Cloud-Computing, presented at the INFORMS meeting in Dallas in 1997. His definition? A “computing paradigm where the boundaries of computing will be determined by economic rationale rather than technical limits alone.” This is a key foundational concept for cloud computing...

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The Beginner's Guide to the Cloud

Mashable  online


Professor Ramnath Chellappa was the first to use the term "cloud computing" in 1997, and in 1999, Salesforce became the first site to deliver applications and software over the Internet...

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The History and Future of Cloud Computing

Forbes  online


Flash forward to 1997, when the term “cloud computing” was first used by information systems professor Ramnath Chellappa...

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History of Cloud Computing

Cloud Tweaks  online


The first time the term was used in its current context was in a 1997 lecture by Ramnath Chellappa where he defined it as a new “computing paradigm where the boundaries of computing will be determined by economic rationale rather than technical limits alone.”...

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Articles (5)

Price formats as a source of price dispersion: A study of online and offline prices in the domestic US airline markets Information Systems Research


A large body of research in economics, information systems, and marketing has sought to understand sources of price dispersion. Previous empirical work has mainly offered consumer-and/or product-based explanations for this phenomenon. In contrast, our ...

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Mechanism design for “free” but “no free disposal” services: The economics of personalization under privacy concerns Management Science


Online personalization services belong to a class of economic goods with a “no free disposal” (NFD) property where consumers do not always prefer more services to less because of the privacy concerns. These concerns arise from the revelation of information ...

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Alliances, rivalry, and firm performance in enterprise systems software markets: A social network approach Information Systems Research


Enterprise systems software (ESS) is a multibillion dollar industry that produces systems components to support a variety of business functions for a widerange of vertical industry segments. Even if it forms the core of an organization's information systems (IS) ...

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Consumers' trust in electronic commerce transactions: The role of perceived privacy and perceived security Emory University


Consumers' trust in their online transactions is vital for the sustained progress and development of electronic commerce. Our paper proposes that in addition to known factors of trust such a vendor's reputation, consumers' perception of privacy and security influence ...

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An economic model of privacy: A property rights approach to regulatory choices for online personalization Journal of Management Information Systems


Advances in information-acquisition technologies and the increasing strategic importance of this information have created a market for consumers' personal and preference information. Behavioral research suggests that consumers engage in a privacy calculus where they ...

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