* Macroeconomic Data(U.S.:1970-1991,$billion);

data gdpm;

 label y1='Gross Domestic Product'

       y2='M2: Money Supply'

       x1='Gross Private Domestic Investment'

       x2='Federal Government Expenditure'

       x3='Interest Rate:%, on 6-month Treasury bills';



year      y1        y2        x1       x2        x3

-----------------------------------------------------

1970    1010.7     628.1    150.3     208.5     6.562

1971    1097.2     717.2    175.5     224.3     4.511

1972    1207.0     805.2    205.6     249.3     4.466

1973    1349.6     861.0    243.1     270.3     7.178

1974    1458.6     908.6    245.8     305.6     7.926

1975    1585.9    1023.3    226.0     364.2     6.122

1976    1768.4    1163.7    286.4     392.7     5.266

1977    1974.1    1286.6    358.3     426.4     5.510

1978    2232.7    1388.7    434.0     469.3     7.572

1979    2488.6    1496.7    480.2     520.3    10.017

1980    2708.0    1629.5    467.6     613.1    11.374

1981    3030.6    1792.9    558.0     697.8    13.776

1982    3149.6    1951.9    503.4     770.9    11.084

1983    3405.0    2186.1    546.7     840.0     8.750

1984    3777.2    2374.3    718.9     892.7     9.800

1985    4038.7    2569.4    714.5     969.9     7.660

1986    4268.6    2811.1    717.6    1028.2     6.030

1987    4539.9    2910.8    749.3    1065.6     6.050

1988    4900.0    3071.1    793.6    1109.0     6.920

1989    5250.8    3227.3    832.3    1181.6     8.040

1990    5522.2    3339.0    799.5    1273.6     7.470

1991    5677.5    3439.8    721.1    1332.7     5.490