Simon Willison’s Weblog

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We estimate the supply-side value of widely-used OSS is $4.15 billion, but that the demand-side value is much larger at $8.8 trillion. We find that firms would need to spend 3.5 times more on software than they currently do if OSS did not exist.

Manuel Hoffmann, Frank Nagle, Yanuo Zhou, The Value of Open Source Software, Harvard Business School