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by CWuestefeld 6139 days ago
And Paul Ehrlich, a sort-of disciple of Malthus, made a famous wager that prices of several metals would rise due to increasing scarcity over the 1980-1990 period. Guess what: the prices fell, because consumers of such stuff constantly find substitute goods and processes.

See full article here: http://en.wikipedia.org/wiki/Simon-Ehrlich_wager