Science and Innovation: The Under-Fueled Engine of Prosperity
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The US allocates 2.8% of GDP to R&D, yet evidence suggests this is insufficient, impacting living standards, health, and national competitiveness.
"Science and innovation are central to human progress and national economic success. Currently, the United States invests 2.8% of GDP in research and development, which is supported by a range of public policies. This paper asks whether the United States invests enough. To answer that question, the conceptual case for government intervention and skepticism about that case are reviewed. The paper then turns to systematic evidence, including the very latest evidence, regarding the operation of the science and innovation system and its social returns. This evidence suggests a clear answer: We massively underinvest in science and innovation, with implications for our standards of living, health, national competitiveness, and capacity to respond to crisis."
Benjamin Jones, "Science and Innovation: The Under-Fueled Engine of Prosperity," Aspen Economic Strategy Group, July 14, 2021, https://www.kellogg.northwestern.edu/faculty/jones-ben/htm/Science%20and%20Innovation%20_%20Underfueled%20Engine%20of%20Prosperity.pdf
Spending, “…United States has faced a slowdown in productivity growth and rising concern about the international competitiveness of the U.S. workforce over many years (e.g., Gordon 2012; Autor et al. 2013), where real wages for the median household have struggled to rise and failed to keep pace with the gains in prior generations (e.g., Council of Economic Advisers 2011; Autor et al. 2006). Yet, even as productivity has lagged, U.S. R&D intensity has slipped compared to other countries. In the mid-1990s, the United States was in the top five of countries globally in both total R&D expenditure as a share of GDP and public R&D expenditure as a share of GDP (Hourihan 2020). Today, the United States ranks 10th and 14th in these metrics, and U.S. public expenditure on R&D as a share of GDP is now at the lowest level in the last 60 years. See figure 5 for U.S. trends. By contrast, China has massively increased its science and innovation investments in pursuit of leading the world economically and strengthening its hand in global affairs. China’s R&D expenditure has grown 16% annually since the year 2000, compared to 3% annually in the United States. If China implements its current five-year plan, it will soon exceed the United States in total R&D expenditure….”
Range of estimates of social return to R&D spending




Ed Comment:Having just finished the intangible paper that postulates large increases in intangible investment, then if talent constrains growth, increase in cone leads to reduction in the other, notwithstanding increases to high-skill immigration, which are not happening. Papers calling for increase without an assessment of opportunity costs, seem like PR/propaganda to me.