The intermediate zone in the middle of the short-run aggregate supply curve is upward sloping, so a rise in aggregate demand will cause higher output and price level, while a fall in aggregate demand will lead to ______ output and price level.
a. higher
b. lower
c. no change in
d. surpluses in
b. lower
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We all use the services of speculators as information in reaching our own economic decisions
A) because speculators are aggressive about marketing the information they produce. B) because we all use prices, which are set by bids and offers based on predictions of the future. C) if we buy or sell commodities through an organized exchange. D) if we play the stock market.
Mark Frost grows apples in a perfectly competitive market. If we drew a line in a graph that illustrates Mark's total revenue from selling apples, it would be
A) a straight, upward-sloping line. B) a straight, downward-sloping line. C) a horizontal line. D) a curve that is negatively sloped at low levels of output and positively sloped at higher levels of output.
The change in saving divided by the change in income is the
a. ratio of saving to income b. same as saving divided by income c. average propensity to save d. marginal propensity to consume e. marginal propensity to save
Suppose that U.S. citizens start saving more. What does this imply about the supply of loanable funds and the equilibrium real interest rate? What happens to the real exchange rate?