The Principle of Substitution Plays a Central Role in Resource

Multiple Choice

The principle of substitution plays a central role in resource allocation because it demonstrates that

A) firms can use all factors of production interchangeably with no impact on their costs.
B) methods of producing the same commodity will not differ from one country to another.
C) prices will be relatively low for those factors for which demand is high relative to supply.
D) relative factor prices reflect relative scarcities of factors in the economy and so firms will find it profitable to make abundant use of relatively abundant factors.
E) firms will find it profitable to make abundant use of relatively scarce factors.