Which of the following statements is TRUE?
A) consumption + saving = disposable income
B) consumption + saving = personal income
C) consumption - investment = disposable income
D) consumption - saving = personal income
Answer: A) consumption + saving = disposable income
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An increase in autonomous consumer expenditure causes the equilibrium level of aggregate output to ________ at any given interest rate and shifts the ________ curve to the ________, everything else held constant
A) rise; LM; right B) rise; IS; right C) fall; LM; left D) fall; IS; left
Which of the following is true about long-run equilibrium in a monopolistically competitive market?
a. Firms earn zero economic profit because price equals long-run average cost, but the equilibrium is not allocatively efficient because price exceeds the marginal cost of the last unit produced. b. They may earn negative, zero, or positive economic profit because monopolistically competitive firms are price takers. c. Each firm faces a perfectly elastic demand curve and earns zero economic profit because price equals long-run average cost, and are allocatively efficient because price equals marginal cost for the last unit sold. d. None of the above are correct.