Refer to Figure 22-3. Technological change is shown in the figure above by the movement from

If a curve rises and then falls, it shows a

A) maximum. B) minimum. C) linear relationship. D) constant slope relationship.

If cross elasticity between two goods is infinite, the goods are

a. perfect substitutes b. perfect complements c. good but not perfect substitutes d. not considered to be substitutes e. produced by the same firm