Revisiting the relationship between industrial policy and firm innovation: a quasi-natural experiment from China

When More Inventions Do Not Mean Better Ideas

In the past two decades, China has become a patent powerhouse, filing more applications than any other country. But counting patents is not the same as counting real breakthroughs. This study asks a question that matters for citizens, workers, and policymakers alike: when government steps in to steer key industries with generous support, does it actually help companies produce better ideas, or does it just inflate the numbers?

A Big Rescue Plan for Key Industries

After the 2008 global financial crisis, China rolled out the Revitalization Plan for Ten Industries, a sweeping rescue package for sectors like cars, steel, electronics, and shipbuilding. The plan made it easier for firms in these areas to get bank loans, subsidies, and tax breaks, with the hope that this support would stabilize jobs and speed up technological progress. Because the plan suddenly favored some industries and not others, it created a natural setting for comparing what happened to firms that benefited directly with those that did not.

Separating the Number of Patents from Their Substance

To track innovation, the researchers linked two huge datasets: China’s main industrial firm database and the national patent records from 2002 to 2012. They looked not only at how many patents each firm produced, but also at how advanced those patents were. In China’s system, invention patents typically reflect more original, technically demanding work than simpler utility or design patents. Using statistical methods that compare changes over time between supported and unsupported industries, the authors asked whether the policy shifted either the volume or the depth of innovation.

Plenty of Activity, Little Real Progress

The results reveal a striking pattern. Firms in the favored industries did not produce more patents overall than similar firms elsewhere once other factors were taken into account. In other words, the big push in credit and subsidies failed to raise the sheer volume of innovative activity. At the same time, the share of high-level invention patents fell noticeably among these firms. This drop in quality held up across many checks and alternative measures, including granted patents and different ways of handling the data. Over several years, the negative effect on innovation quality even grew stronger, suggesting that the policy slowly tilted firms away from more ambitious research.

How Support Can Accidentally Weaken Innovation

Why would a rescue plan aimed at boosting industry end up dulling its inventive edge? The study traces three main pathways. First, easy money encouraged overbuilding of factories and equipment, leaving capacity underused and tying up funds that could have gone into serious research. Second, to finance short-term growth and jobs, governments shifted spending away from science and education, eroding the foundations needed for cutting-edge ideas. Third, heavier state involvement reduced the role of open markets, widening room for favoritism and rent-seeking. In this environment, many firms found it easier to chase simple, low-risk patents that signal activity than to invest in costly, uncertain breakthroughs. The damage was worst for companies with weaker knowledge bases, those in poorer or resource-dependent regions, and firms that had already been active innovators before the policy shock.

Lessons for Countries Chasing High-Quality Growth

The study concludes that China’s winner-picking industrial rescue did little to raise the amount of innovation, but clearly dragged down its quality. Rather than acting as a launchpad for genuine technological leapfrogging, the policy nudged firms toward safer, shallower ideas. For emerging economies hoping to climb the value chain, the findings carry a clear message: direct support to favored sectors can backfire if it undermines competitive markets, crowds out education and science budgets, or rewards visible activity over real discovery. Policies that strengthen schools, research institutions, and fair market rules may do more for long-term innovation than short-lived bursts of targeted aid.

Citation: Zhang, Y., Wu, L. & Zhang, H. Revisiting the relationship between industrial policy and firm innovation: a quasi-natural experiment from China. Humanit Soc Sci Commun 13, 236 (2026). https://doi.org/10.1057/s41599-026-06531-6

Keywords: industrial policy, innovation quality, China, patents, government subsidies