单选题 The short-run relationship between unexpected inflation and:
  • A. unemployment is positive.
  • B. unemployment is negative.
  • C. actual inflation is positive.
【正确答案】 B
【答案解析】The relationship between unexpected inflation and unemployment is a negative one in the short run. There should be no trend in the relationship between unexpected and actual inflation--that is the difference should be zero in the long run and uncorrelated in the short run.