The Fact That Isoquants Are Downward Sloping Indicates

Multiple Choice

The fact that isoquants are downward sloping indicates

A) the diminishing marginal productivity of a variable factor.
B) the diminishing marginal productivity of a fixed factor.
C) that each factor input has a negative marginal productivity.
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) a change in relative factor prices,with output held constant.