Following adjustments to a new equilibrium in a market, the market clearing price remains unchanged, but the equilibrium quantity is now lower. Which of the following could definitely have caused this outcome?
A. Demand and supply both decreased.
B. Demand increased, and supply decreased.
C. Demand decreased, and supply increased.
D. Demand and supply both increased.
Answer: A
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In the figure below, the economy is initially in long-run equilibrium at point A. If there is an adverse supply shock that reduces potential output and shifts the long-run aggregate supply curve from LRAS to LRAS', then the new long-run equilibrium is reached at point: 
A. C. B. D. C. E. D. B
A linear, upward-sloping supply curve has
a. a constant slope and a changing price elasticity of supply. b. a changing slope and a constant price elasticity of supply. c. both a constant slope and a constant price elasticity of supply. d. both a changing slope and a changing price elasticity of supply.
Which of the following is one of the macroeconomic goals established by the 1946 Employment Act?
A. Providing an economic environment conducive to growth B. Maintaining a constant level of consumer expenditure C. Preventing large fluctuations in exchange rates D. Ensuring that employers pay workers a minimum wage sufficient to escape poverty
Macroeconomists are more likely than microeconomists to deal with:
A. positive analysis. B. individual firms. C. the scarcity principle. D. aggregation.