The quantity of real GDP demanded equals $16.4 trillion when the price level is 95. If the price level falls to 90, the quantity of real GDP demanded equals
A) less than $16.4 trillion.
B) $16.4 trillion.
C) more than $16.4 trillion.
D) more information is needed to determine if the quantity of real GDP demanded increases, decreases, or does not change.
C
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Which of the following is NOT an effect from a change in the federal funds rate?
A) change in the real interest rate B) change in investment C) change in government expenditures D) change in aggregate demand E) change in the quantity of money
The use of data in economic models is important because
A) the model's predictive value rests on supportive evidence from real-world data. B) the models are always complex in nature. C) models must analyze every possible angle of the problem. D) social problems analyzed by economists require long streams of data.