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Research Details

Competitive Strategy for Open Source Software, Marketing Science

Abstract

Commercial open source software (COSS) products—privately developed software based on publicly available source code—represent a rapidly growing, multibillion-dollar market. A unique aspect of competition in the COSS market is that many open source licenses require to make certain enhancements public, creating an incentive for to free ride on the contributions of others. This practice raises a number of puzzling issues. First, why should a 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 profits? We develop a two-sided model of competition between COSS to address these issues. Our model consists of (1) two competing in a vertically differentiated market, in which product quality is a mix of public and private components, and (2) a market for developers that 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 profits and consumer surplus.

Type

Article

Author(s)

V. Kumar, Brett Gordon

Date Published

2011

Citations

Kumar, V., and Brett Gordon. 2011. Competitive Strategy for Open Source Software. Marketing Science. 30(6): 1066-1078.

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