我国GDP的波动特征 130.0 120.0 110.0 100.0 90.0 80.0 70.0 60.0 LLLLLLLLLL,LLLLLLLLLL LO LO LO (O (O 年份我国GDP的波动特征 60.0 70.0 80.0 90.0 100.0 110.0 120.0 130.0 1953 1956 1959 1962 1965 1968 1971 1974 1977 1980 1983 1986 1989 1992 1995 1998 2001 年份 指数