Technological advance improves productive efficiency by:
A. lowering average total cost.
B. increasing marginal utility.
C. enhancing monopoly power.
D. giving society a more-preferred mix of goods and services.
Answer: A
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Refer to the figure below.________ inflation will eventually move the economy pictured in the diagram from short-run equilibrium at point ________ to long-run equilibrium at point ________. 
A. Rising; A B. Falling; A; C C. Falling; B: C D. Rising; A; C
In an open economy, what is the source of supply of dollars in the foreign-currency exchange market?
A. Net exports B. Exports C. Net capital outflow D. Investment and net capital outflow
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A. By moving reserves between the accounts of different banks B. By creating new money it uses to buy financial assets C. By creating new money it lends directly to households and businesses D. By creating new financial assets it sells in the open market