A decrease in demand, with no change in supply, will lead to ________ in equilibrium quantity and ________ in equilibrium price.

Equilibrium market prices for capital and labor are $10 and $8, respectively. Then, the economy experiences one or more supply shocks, so that the marginal product of capital is $12, and the marginal product of labor is $9

Assuming that the available quantities of capital and labor are fixed, which of the following is (are) likely to decrease as the economy approaches its new equilibrium? A) real rental price of capital B) total output C) economic profits D) the quantity of capital in use E) none of the above

Which of the following is true?

a. The production possibilities curve indicates that it will be impossible to expand total output with the passage of time. b. As long as resources are scarce, output cannot be increased. c. The size of the economic pie is fixed, and therefore, if one individual has more income, others must have less. d. Over time, the output of goods and services can be increased through human ingenuity and discovery of better ways of doing things.