In the Keynesian cross model, investment spending as a function of national income is a(n):
a. horizontal line at a fixed level of expenditure

b. vertical line at a fixed level of real gross domestic product.
c. upward-sloping curve.
d. downward-sloping curve.


a

Economics

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a. negative spillover b. rival consumer c. free rider d. moral hazard

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Mexico sends the United States over ______ percent of its exports.

A. 20 B. 40 C. 60 D. 80

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The profit-maximizing and the least-cost combination of inputs are:

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Economics