What spending on education means for economic growth

Fabrizio Carmignani, The Conversation
August 14, 2018


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Education image Unsplash
Image source: Unsplash

Plenty of analyses have been done on the effects of education and economic growth.
 
Is economic growth driven by new ideas, new discoveries that result in better products and services for society?
 
The logical answer would be yes. A more educated workforce provides these ideas. It provides the human capital required to increase the ROI on research and development investment.
 
However, researchers and lawmakers often question this rationale in hopes of reducing the annual spend on education items in a government’s budget. So can we say definitively that government spending improves education?
 

Academic research in this area is characterised by a certain degree of technical complexity and results often differ across studies depending on the methodology used, the sample considered, or how education is measured.
 
A survey of this vast literature identified 57 studies, many of which measure education in terms of outcomes (eg enrolment rates, literacy rates, years of schooling in the workforce) rather than expenditure.
 
But the studies that did look at educational expenditure as a proxy for education generally reported a positive effect of education on growth.
 
A recent a meta-analysis considered 29 papers that specifically look at the impact of government education expenditures on economic growth. Of these 29 studies, 14 report a positive and statistically significant effect of government expenditure on growth, 12 report a negative effect, and 3 report no statistically significant effect.
 
Averaging across all studies, the effect of educational expenditure on growth is positive – albeit modest – in the order of a 0.2-0.3% increase in growth for an increase in expenditure by 1% of GDP.

 
While it appears that spending does correlate with a growing economy, it is important that the quality of education spending is maintained. Simply spending on lower-value items won’t produce the same returns as drivers of higher test scores, graduation rates, etc. A government must focus its increased expenditure on areas that provide real positive education outcomes.
 
Other notes:
 

Recent estimates that use US data suggest that this indirect effect can be large: a 10% increase in per-pupil spending each year for 12 grades of public school was found to lead to 0.27 more completed years of education, 7.25% higher wages and 3.67 percentage point reduction in the annual incidence of adult poverty.

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