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. 2011 Dec 23;108(Suppl 4):21316–21319. doi: 10.1073/pnas.1101933108

Fig. 1.

Fig. 1.

Individualism is Hofstede's index of individualism. A larger value of the index corresponds to a greater level of individualism. (A) Log income (at purchasing power parity) per worker is from the Penn World Tables. Log patents per million population (B) and innovation performance index (C) are taken from Economist Intelligence Unit (6, 7).