Education as the Elixir of Growth III

Just in case you thought the correlation between human capital and economic development was an artifice of the post-socialist world, here is a similar graph (R2=0.4273) for all the world’s countries that have participated in the Math and Science portions of the PISA or TIMMS (8th grade) international standardized student assessments.


The methodology is the same as described in the previous post. As you can see, the relation is every bit as strong at the global level. However, you may point to a few outliers. How to explain them?

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The Profound Irrelevance of Corruption, Institutions, And Ease Of Business To Economic Growth

That title sure caught you attention? Good. Now for the 1000-words-in-a-picture evidence.


Human capital refers to educational attainment, as measured by the results of the PISA and TIMMS standardized tests*. As you can see, there is a very close correlation between human capital and GDP (PPP) per capita. The exceptions all confirm the rule. For now I have only done the post-socialist space, because of its sheer variety – different cultures, different rule-of-law and ease of business environments, difference resource endowments and political systems – which lets me illustrate just how irrelevant all those factors are compared to human capital. The same laws hold at the global level, and I intend to cover it in a consequent post, but that involves a lot more work so for now I’ll just settle for this.

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