North America, Europe, and Japan have 1 billion people; the rest of the world has 6 billion people. If 1/3 of the people in the rest of the world become pharmaceutical customers
Per capita income relative to the US, population in B:
China 9%, 1.3 India 2.6%, 1.15
I do not know whether those two countries comprising 2.45B people fairly represent the relative income of that other 6B people. Nor do I have stratification data on the per capita income of the top 1/3 of those populations.
But it does raise some question about just what the top 1/3 of the other 6B people will be able to pay for drugs.
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It is astonishing what foolish things one can temporarily believe if one thinks too long alone ... where it is often impossible to bring one's ideas to a conclusive test either formal or experimental. J.M. Keynes