Suppose firms become optimistic about futurebusiness conditions and invest heavily in new capitalequipment.a. Draw an aggregate-demand/aggregate-supplydiagram to show the short-run effect of thisoptimism on the economy. Label the new levels ofprices and real output. Explain in words why theaggregate quantity of output supplied changes.b. Now use the diagram from part (a) to show thenew long-run equilibrium of the economy. (Fornow, assume there is no change in the long-runaggregate-supply curve.) Explain in words whythe aggregate quantity of output demanded changesbetween the short run and the long run.c. How might the investment boom affect thelong-run aggregate-supply curve? Explain.

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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Suppose firms become optimistic about future
business conditions and invest heavily in new capital
equipment.
a. Draw an aggregate-demand/aggregate-supply
diagram to show the short-run effect of this
optimism on the economy. Label the new levels of
prices and real output. Explain in words why the
aggregate quantity of output supplied changes.
b. Now use the diagram from part (a) to show the
new long-run equilibrium of the economy. (For
now, assume there is no change in the long-run
aggregate-supply curve.) Explain in words why
the aggregate quantity of output demanded changes
between the short run and the long run.
c. How might the investment boom affect the
long-run aggregate-supply curve? Explain.

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