Which of the Following Is True About Unemployment

Multiple Choice

Which of the following is true about unemployment?

A) the benchmark high-employment level is most likely between 3 and 4 percent
B) In recent years,the appropriate benchmark high-employment level has risen.
C) Based on the experience of the 1960s,a 7 percent unemployment rate was too low to be sustained without a buildup of inflationary pressure
D) During the 1970s,the benchmark high-employment level rose but this was not observed by economists at the time.