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Marx cites the example of the wheat, shoe polish, silk, and gold. The wheat
must sell at a level to shoe polish that is different than the level wheat
would sell to gold. But they must be intertwined. Shoe polish must then
sell to gold at roughly the same level of wheat minus the difference between
the wheat to polish rate. Marx identifies this as must having equal
magnitude in price. Otherwise there would be a breakdown of the market and
a commodity would flood the market if undervalued, or scarcity if overvalued.
In short there must be a relationship between commodities and their
“socially acceptable exchange values”. |
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