The Fact That Isoquants Are Downward Sloping Indicates

Multiple Choice

The fact that isoquants are downward sloping indicates

A) a change in relative factor prices.
B) the diminishing marginal productivity of a variable factor.
C) the diminishing marginal productivity of a fixed factor.
D) that a reduction in the use of one factor requires an increase in the use of the other factor in order to keep output constant.
E) that each factor input has a negative marginal productivity.