Economic GrowthThe economy of a nation requires （46) . Total output must grow if the count
Economic Growth
The economy of a nation requires (46) . Total output must grow if the country is to absorb about 1.5 million new workers who enter the labor force each year and more workers who are replaced each year as a form. of technological change. If the nation produced the same level of output each year, instead of increasing it, people would have fewer jobs, growing unemployment, and a decline in the per-capita(人均的)income of the nation. To maintain or increase the existing standard of living and to prevent unemployment from rising, (47) . Higher rates of employment and substantial per-capita output gains seem to occur when the real economic growth rate is over 3%, as it was in the years 1983 through 1988. Recent experience shows that, with a real growth rate of less than 2.5%, the U.S. economy suffers from (48) .
For example , unemployment at the end of 1990 was 5.4% of the labor force. But by the end of 1991, unemployment was more than 6.6% of the labor force. Why did this happen？ Simply because the real output of goods and services declined in 1991. New members into the labor force could not be absorbed, so (49) . Furthermore, a large number of workers withdrew from the labor force altogether because (50) . Instead of rising in 1991 , the real GDP actually fell 0.7%. Real GDP rose again in 1992 by 2.6%, but unemployment also rose to 7.3% of the labor force. GDP continued to rise during 1993, gained a 3%. At the same time unemployment stood at 6.8% of the labor force. Per-capita in-come also grew again during 1993.
A．unemployment rose
B．they were unable to find work
C．a healthy rate of economic growth
D．out of work
E．they must increase real gross domestic product (GDP) continuously
F．higher unemployment and limited gains in per-capita output and income
(46)
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