Study of 977 U.S. Tech Firms: Open-Source Product Development Raised Gross Margins 4–5%, But Only Past a ~35% Outside-Contributor Threshold

arXiv 2608.02398·medium signalXBlueskyLinkedInCopy link

Analyzing 977 U.S. high-tech firms from 2001 to 2025, this study finds open-source adoption raised gross margins 4–5% on average, flowing largely through higher labor productivity as firms integrate external contributors' knowledge without a commensurate rise in labor costs. The payoff only emerges when outside volunteers supply a meaningful share of the work — around 35% in this sample — and depends on the firm's resource configuration. Every high-profitability configuration paired open-source development with sustained internal R&D, framing open source as a knowledge-integration strategy rather than cheap external labor.