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Published online by Cambridge University Press: 17 August 2016
Le présent article concerne l'étude du rapport existant entre prix et progrès en ce qui concerne les matières premières.
This article studies technological progress in the supply of primary commodities.
We use Sauerbeck's index (which consists of a weighted average of price indices for some 45 commodities quoted in London from 1846 to 1966).
Declines in the relative price are traceed back to increasing returns and such long runs factors as decreases in transportation costs, relocation of production, and change in political conditions.
The widening gap between wholesale industrial and raw commodities prices is investigated.
It appears that Sauerbeck's index is no longer valid after second world war.