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together, expressed in terms of the first

It may perhaps be asked whether, in a case such as this (in which both commodities are manufactured in the same country), more than one relative equilibrium price is possible. This is quite conceivable if-as is usually the case-wages, rent, and interest enter into the manufacture of the two commodities in different proportions. If the prevailing equilibrium persists, and a higher relative price is paid for one commodity, then, obviously, that factor (or factors) which enters into the production of the commodity in relatively large amounts is favoured at the expense of the others.