Historical evidence for the U.S. economy indicates that
recessions have occurred roughly once every six years since the 1960s.
the unemployment rate usually decreases during a recession and increases shortly after the recession ends.
real GDP usually remains roughly constant during a recession and decreases shortly after the recession ends.
changes in real GDP over the business cycle are largely attributable to changes in investment over the business cycle.
Which of the following is most commonly used to monitor short-run changes in economic activity?
the inflation rate
During recessions investment
falls by a larger percentage than GDP.
falls by about the same percentage as GDP.
falls by a smaller percentage than GDP.
falls but the percentage change is sometimes much larger and sometimes much smaller.
The classical model is appropriate for analysis of the economy in the
long run, since evidence indicates that money is not neutral in the long run.
long run, since real and nominal variables are essentially determined separately in the long run.
short run, provided money is not neutral.
short run, provided real and nominal variables are highly intertwined.
Real and nominal variables are highly intertwined, and changes in the money supply change real GDP. Most economists would agree that this statement accurately describes
both the short run and the long run.
the short run, but not the long run.
the long run, but not the short run.
neither the long run nor the short run.
Aggregate demand includes
the quantity of goods and services both the government and customers abroad want to buy.
the quantity of goods and services neither the government nor customers abroad want to buy.
the quantity of goods and service the government wants to buy, but not the quantity of goods and services customers abroad want to buy.
the quantity of goods and services customers abroad want to buy, but not the quantity of goods and services the government wants to buy.
The model of aggregate demand and aggregate supply
is different from the model of supply and demand for a particular market, in that we cannot focus on the substitution of resources between markets to explain aggregate relationships.
is different from the model of supply and demand for a particular market, in that we have to separate real and nominal variables in the aggregate model.
is a straightforward extension of the model of supply and demand for a particular market, in which substitution of resources between markets is highlighted.
is a straightforward extension of the model of supply and demand for a particular market, in which the interaction between real and nominal variables is highlighted.
When the price level falls the quantity of
consumption goods demanded rises, while the quantity of net exports demanded falls.
consumption goods demanded and the quantity of net exports demanded both rise.
consumption goods demanded and the quantity of net exports demanded both fall.
consumption goods demanded falls, while the quantity of net exports demand rises.
When the price level changes, which of the following variables will change and thereby cause a change in the aggregate quantity of goods and services demanded?
the real value of wealth
the interest rate
the value of currency in the market for foreign exchange
All of the above are correct.
Other things the same, a decrease in the price level makes the dollars people hold worth
more, so they can buy more.
more, so they can buy less
less, so they can buy more.
less, so they can buy less.
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