S9 Ep26: The public origins of American innovation

Episode Summary

Executive Summary: The episode argues that American innovation has deep public roots: government-funded basic research, especially through universities and research institutes, has seeded many transformative inventions and amplified productivity growth. Paolo Surico presents evidence that a small share of publicly funded patents generates a disproportionate share of productivity gains, largely by crowding in private investment. He warns that cuts to public science funding could weaken long-run growth and tech leadership, while Europe should shift spending toward basic research and later-stage innovation support.

Main Topics: Public origins of innovation (Priority: 5/5): The conversation reframes innovation as a joint public-private process in which the state often seeds breakthrough ideas through basic research, later scaled by private firms. Vannevar Bush and the postwar innovation blueprint (Priority: 5/5): Bush’s 1945 report 'Science, the Endless Frontier' is presented as the foundational model for U.S. innovation: government sets direction, universities push knowledge frontiers, and firms commercialize. Method for identifying public vs private innovation (Priority: 5/5): The study uses patent application data and legal disclosures of government interest to classify inventions by funding source, ownership, and institutional type, then links these to later productivity outcomes. High-risk, high-reward public R&D (Priority: 5/5): Government-backed innovation is portrayed as accepting many failures in exchange for occasional huge successes that more than offset losses, unlike a purely value-for-money approach. Which public agencies matter most (Priority: 4/5): NIH and NSF are highlighted as especially valuable because they fund basic research in health and education/science, which can outperform defense-related innovation in productivity impact. Startups, incumbents, and crowding in (Priority: 4/5): Government-funded startups and non-profits generate larger macroeconomic gains than incumbents or purely private R&D, because public funding attracts private capital and talent toward scalable breakthroughs. Policy implications for the US and Europe (Priority: 5/5): The episode warns that U.S. cuts to federal science funding could threaten technological leadership, while Europe should rebalance spending from procurement toward public R&D and innovation support.

Key Arguments: Transformative inventions often originate in publicly funded research rather than purely private entrepreneurship. The government can shape the direction of innovation when uncertainty is high, fixed costs are large, and private returns are hard to capture. University and research institute research matters because it is basic, noncommercial, and more likely to crowd in private investment. The study uses patent-level data and government-interest disclosures to separate public, private, and mixed funding structures. Publicly funded patent applications are followed by stronger productivity growth several years later. Government-funded patents are only a small share of total patents, but they contribute a much larger share of productivity growth because they are more fundamental and have larger spillovers. Public R&D does not mainly work by crowding out private effort; it often crowds in additional private investment, roughly doubling the effective return. The evidence suggests a complementary system: public institutions lead on frontier science, private firms scale and commercialize. A few visible failures do not overturn the average effect because successful public investments can more than pay for losses. AI may break the historical pattern if investment and talent are increasingly pulled into the private sector, potentially steering innovation toward profitability rather than broad social gains.

Data Points: Share of patents: 2% - Government-funded patents as a share of total patents in the study Share of productivity growth: 20% - Government-funded patents' contribution to productivity growth Return relative to private R&D: More than double - Estimated return of every dollar of public R&D versus private R&D Time lag to productivity effects: 3-6 years - Productivity gains appear several years after elevated government-funded patent applications Historical reference year: 1945 - Vannevar Bush’s report 'Science, the Endless Frontier' launched the postwar blueprint Policy horizon: 80 years - The U.S. public-science model described as operating for roughly eight decades Agency examples: NIH and NSF - Named as especially important federal funders of basic research Example of mixed public-private innovation: COVID vaccine - Cited as an example of government-funded, privately developed commercialization Example of government success and failure in same funding round: Tesla and Solyndra - Used to show why anecdotes can mislead about public R&D effectiveness

Pivotal Quotes: "the most breakthrough innovation in the last century were seeded by publicly funded research" — Paolo Surico: Explaining why the study calls the topic 'the public origins of American innovation' "government investment innovation really deliver a big home run" — Paolo Surico: Describing how public R&D can generate rare but extremely valuable successes that outweigh failures "the best of both world" — Paolo Surico: Characterizing the ideal public-private model: public institutions push the frontier, private firms scale commercialization

Implications: The episode suggests cutting public science funding risks slower productivity growth and weaker tech leadership. For the US and Europe, the key is not just spending more, but directing more toward basic research and public-private complementarity.