Before using the functions available in the system library, the programmer must know ( ).
A. The name of the function.
B. The arguments required by the function.
C. The data type of the returned value of the function.
D. A description of what each function does.
E. The header file where the prototype of the function is contained.
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Which of the following is not a reason the aggregate demand curve slopes downward? As the price level increases
A. firms may believe the relative price of their output has risen.
B. real wealth declines.
C. the interest rate increases.
D. the exchange rate increases.
For theU.S.economy, which of the following is the most important reason for the downward slope of the aggregate-demand curve?
A. the wealth effect
B. the interest-rate effect
C. the exchange-rate effect
D. the real-wage effect
Which of the following claims concerning the importance of effects that explain the slope of theU.S.aggregate demand curve is correct?
A. The exchange-rate effect is relatively small because exports and imports are a small part of real GDP.
B. The interest-rate effect is relatively small because investment spending is not very responsive to interest rate changes.
C. The wealth effect is relatively large because money holdings are a significant portion of most households' wealth.
D. None of the above is correct.
Liquidity preference refers directly to Keynes' theory concerning
A. the effects of changes in money demand and supply on interest rates.
B. the effects of changes in money demand and supply on exchange rates.
C. the effects of wealth on expenditures.
D. the difference between temporary and permanent changes in income.
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