美国的实际GDP增长 Percent change from 4 quarters Average growth earlier rate =3.5% 196019651970197519801985199019952000 CHAPTER 4 Economic Growth slide 3CHAPTER 4 CHAPTER 4 Economic Growth I Economic Growth I slide 3 美国的实际 GDP 增长 -4 -2 0 2 4 6 8 10 1960 1965 1970 1975 1980 1985 1990 1995 2000 Percent change from 4 quarters earlier Average growth rate = 3.5%