Research Archive

Competitive Strategy for Open Source Software

Vineet Kumar, Brett Gordon, Kannan Srinivasan

Publication type: Journal article

Research Archive Topic: Marketing

Abstract

Commercial open source software (COSS) products — privately developed software based on publicly available source code — represent a rapidly growing, multi-billion-dollar market. A unique aspect of competition in the COSS market is that many open source licenses require firms to make certain enhancements public, creating an incentive for firms to free-ride on the contributions of others. This practice raises a number of puzzling issues. First, why should a firm further develop a product if competitors can freely appropriate these contributions? Second, how does a market based on free-riding produce high-quality products? Third, from a public policy perspective, does the mandatory sharing of enhancements raise or lower consumer surplus and industry profi ts?

We develop a two-sided model of competition between COSS fi rms to address these issues. Our model consists of (1) two firms competing in a vertically di fferentiated market, in which product quality is a mix of public and private components and (2) a market for developers that firms hire after observing signals of their contributions to open source. We demonstrate that free-riding behavior is supported in equilibrium, that a mandatory sharing setting can result in high quality products, and that free-riding can actually increase profi ts and consumer surplus.


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Citation

Kumar, Vineet, Brett Gordon, and Kannan Srinivasan. "Competitive Strategy for Open Source Software." Marketing Science 30, no. 6 (2011): 1066-1078.


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