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.
A
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The marginal propensity to consume equals
A) consumption expenditure divided by the change in disposable income. B) the change in consumption expenditure divided by disposable income. C) the change in consumption expenditure divided by the change in disposable income. D) consumption expenditure divided by disposable income. E) the change in autonomous consumption divided by the change in induced consumption.
The quantity equation states that the
A) money supply times the velocity of money equals the price level times real output. B) money supply times the price level equals real output divided by the velocity of money. C) money supply divided by the velocity of money equals the price level divided by real output. D) money supply times the price level equals real output times the velocity of money.
The property of diminishing marginal rate of substitution follows from the property that the indifference curve is
A) downward sloping. B) upward sloping. C) bowed in toward the origin. D) bowed out from the origin.
Which of the following defines total profit?
a. average revenue minus average cost b. marginal cost times output c. marginal revenue minus marginal cost d. total revenue minus total cost e. average cost divided by output