中等规模城市在将经济增长转化为专利方面胜过大都市。
Mid-sized cities outperform major metros at turning economic growth into patents

原始链接: https://www.governance.fyi/p/booms-not-busts-drives-innovation

一项近期研究分析了759个美国社区40多年来250万项专利,挑战了研发集中在硅谷的观点。经济学家发现,在经济繁荣时期,较小的城市地区也能有效地进行创新。虽然只有5%的美国社区创造了75%的专利,但石油和天然气繁荣却刺激了专利总数增长8.3%,尤其是在非都市地区,同时伴随着经济增长(就业、工资、GDP、收入)。 研究揭示了一个悖论:石油和天然气公司在繁荣时期反而*减少*了自身的专利申请,优先考虑眼前的利润。这支持了这样一个理论:当机会成本较低时,企业才会进行创新。重要的是,创新的增加是因为现有当地发明者生产力提高,而不是因为吸引了外部人才。这种影响在中等规模的城市(约75,000居民)最为显著。这项研究表明,将研发资金分散到已建立的中心之外,可以释放全国范围内未开发的创新潜力,但承认不可避免的地域权衡至关重要。

这个Hacker News帖子讨论了一篇文章,文章认为经济繁荣而非萧条推动了创新,尤其是在美国中等规模的城市。第一位评论者认为这很直观,认为繁荣时期充裕的资本允许进行试验。然而,另一位评论者指出,这篇文章特别关注石油行业,其结论可能无法推广到其他行业。讨论还涉及到一个反驳观点,这个观点在较旧的叙事和媒体中很流行,即艰难困苦和资源匮乏(如经济萧条)可以培养创造力和“更聪明地工作”。一位评论者甚至提到了安东尼·波登在其第一本书中提出的论点。最后,另一位评论者认为,宣扬紧缩政策能够提高效率的说法,通常被用来为加息或削减成本的措施辩护。
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原文

New research provides ammunition for spreading federal R&D dollars beyond Silicon Valley. Economists Federica Coelli (EBRD) and Paul Pelzl (NHH Norwegian School of Economics) studied 2.5 million patents across 759 U.S. communities over 40+ years. Their finding: smaller urban areas innovate effectively when economies improve.

Current reality: Just 5% of U.S. communities produce 75% of all patents.

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The boom effect:

  • 8.3% increase in overall patents when oil/gas employment doubles

  • 8.5% DECREASE in oil & gas patents during their own boom (the paradox)

  • 2x stronger innovation response in non-metro vs. metro areas

  • 1 additional patent per 100,000 residents during booms

Economic impacts:

  • 3.7% employment increase, 2.2% wage growth during booms

  • 4.6% GDP jump, 6.2% local government revenue surge

Who actually innovates:

  • 58% of patents from incumbent inventors (not newcomers)

  • 5% from in-movers, 37% from first-time inventors

  • 57% company patents, 32% individual, 2% university

Study scope:

  • 2.5 million patents analyzed over 40+ years (1969-2012)

  • 759 U.S. commuting zones studied

  • 5% of zones currently produce 75% of all patents

Researchers used oil and gas booms as natural experiments through a sophisticated shift-share methodology, not simple correlations. These booms create substantial economic shocks across communities: population increases 1.9%, employment rises 3.7%, wages grow 2.2%, personal income climbs 1.8%, GDP jumps 4.6%, and local government revenue surges 6.2%.

The study's precision comes from tracking patents by filing date (when innovation actually occurs) rather than grant date, and using fractional counting when multiple inventors or locations are involved. The results remain robust whether researchers use oil prices instead of employment or control for coal booms.

The paradox: While overall patents surge 8.3%, oil and gas companies cut their own patenting by 8.5% during boom times — even as they dramatically increase extraction activity.

The numbers tell the story: When oil prices and national oil & gas employment rise together, sector profits soar. Companies respond by drilling more wells and pumping more oil, not developing new technology. This direct trade-off between immediate profits and future innovation provides rare empirical evidence for economic theory.

Why this matters: Economists have theorized that firms innovate during downturns when the opportunity cost is lower (Dave’s note: Economists really REALLY need to read more Operations Research stuff like Deming or Beer who would quickly throw cold water on this nonsense, why would anyone spend money on investments when they are having a hard time paying bills or corporate executive bonuses?) — you develop new technology when you can't sell as much product. But most studies find the opposite: innovation rises during good times. This oil sector finding proves the opportunity cost theory actually works (Dave’s note: Why? It’s going to be an interesting research project in itself considering OPEC and greater oil and gas consolidation is a thing) — it's just usually overwhelmed by other factors like better financing and agglomeration effects in other industries.

What it reveals: The oil paradox helps solve a decades-old puzzle about innovation timing. Industries closest to the boom, facing the highest opportunity costs, reduce innovation. Industries further from the boom's center benefit from prosperity without the same profit pressure, so they increase innovation. This explains why studies find conflicting results — it depends which industries and regions you examine.

  • Late 1970s-early 1980s oil boom

  • Extended decline through late 1990s

  • 2000s fracking revolution

Natural experiment strength: 35% of oil/gas reserves were "undiscovered" in 1960 — pure geology, not exploration efforts. Shale reserves existed underground throughout but became economically viable only with 2001 fracking technology. This mirrors how innovation capacity might remain dormant in regions until economic conditions activate it.

Conventional wisdom: Constraints force creativity. Scarcity sparks breakthroughs. Economic pressure drives invention.

The data shows otherwise. When booms increase wages 2.2%, personal income 1.8%, and GDP 4.6%, innovation rises proportionally. Patent quality remains stable during good times, measured by forward citations. The 1984-2000 downturn saw innovation decline symmetrically — no silver lining of constraint-driven creativity emerged. Even as local government revenue rises 6.2% during booms, private innovation continues to flourish rather than being crowded out. The stark reality: 97% of patents come from companies with capital to invest, not struggling inventors in garages.

Booming areas see increases in both college graduates and creative workers (up 1.8%), creating a richer environment for innovation. But the gains don't come from attracting star inventors from elsewhere. Instead, existing local inventors become more productive, driving higher patents per capita alongside total patent growth.

The strongest effects emerge in urban areas with median populations around 75,000 — large enough for meaningful knowledge spillovers but small enough to avoid the congestion costs of major metros.

Winners:

Losers:

  • Communities 300-400 miles away lose patents

  • Too far for spillover benefits, close enough to lose talent

Political reality: 8 of 10 people moving to boom towns come from the same state.

Innovation winners:

  • Highly traded goods: watches, x-ray equipment, aircraft parts

  • These sell nationally, so local demand doesn't affect them

No change:

  • Local-serving industries: concrete, ice manufacturing

  • Oil supplier industries (surprisingly — no "rising tide" effect)

Note: Upward wage pressure from booming oil sector could hurt highly traded manufacturers, but evidence shows only weak production worker displacement and no crowding out of innovation workers (since oil & gas patenting actually declines).

Big companies:

Prior patenting experience matters far more than education levels for capturing boom benefits — areas with innovation history see bigger gains regardless of local college presence. The mechanism isn't financial: public and private companies respond identically to booms, ruling out credit constraints as the driver.

The innovation response lags economic upswings by 2-3 years, consistent with typical R&D project timelines. And the effects show perfect symmetry — economic busts reduce patenting by exactly the same magnitude that booms increase it.

Berkeley economist Enrico Moretti has argued that concentrated tech hubs produce more innovation per dollar invested — an efficiency case for keeping R&D funding in Silicon Valley. Harvard economists Edward Glaeser and Naomi Hausman warned that spreading wealth to struggling regions might actually reduce work incentives and decrease innovation.

The data proves both critiques wrong. Prosperity boosts both productivity and patent output across diverse regions, with mid-sized cities showing the strongest responses.

America has vast untapped innovation potential — 95% of communities produce just 25% of patents. Mid-sized cities might not match tech hubs city vs city, but on a per dollar basis it’s a different story. Turns out that focusing on local economies helps "jump-start the American growth engine”.

Requirements for success: Existing innovation infrastructure and acceptance that gains in one region mean might be losses elsewhere — particularly within state boundaries.

For policymakers: The question isn't whether to spread R&D funding. It's how to manage geographic trade-offs when booms, not busts or “capital discipline” drives innovation. With 18% of America producing no patents annually, the opportunity — and challenge — are clear.

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