> Why aren't their countries desirable as well? See e.g. National IQ and Economic Development: A Study of Eighty-One Nations, by Lynn and Vanhanen. There is a

> Why aren't their countries desirable as well? See e.g. National IQ and Economic Development: A Study of Eighty-One Nations, by Lynn and Vanhanen. There is a superlinear relationship between average IQ and GDPPC. Research precludes a predominant causal relationship from GDPPC to IQ (e.g. via Flynn effect); all that is left is that population intelligence causally precedes GDPPC.