sample 1 52 read Date C P Y I R Q 1987.1 4049.7 74.37 6013.328 863.358 90.6 197.6 1987.2 4101.5 75.14 6077.162 863.942 91.2 216.3 1987.3 4147 75.86 6128.104 860.5 91.2 229.6 1987.4 4155.3 76.61 6234.441 929.258 92.2 234.5 1988.1 4228 77.11 6275.851 884.608 92.2 254.9 1988.2 4256.8 77.99 6349.841 902.453 92.3 265 1988.3 4291.6 78.93 6382.344 907.511 92.4 268.3 1988.4 4341.4 79.71 6465.242 916.694 92.6 283.3 1989.1 4357.1 80.61 6543.842 952.67 93.1 253.4 1989.2 4374.8 81.68 6579.392 941.051 93.3 253.5 1989.3 4413.4 82.18 6610.567 929.27 93.2 257.1 1989.4 4429.4 82.97 6633.538 922.858 93.6 252.9 1990.1 4466 84.08 6716.279 933.993 94.2 269.5 1990.2 4478.8 84.98 6731.749 933.023 94.6 285.9 1990.3 4495.6 86.12 6719.404 912.606 94.9 253.9 1990.4 4457.7 87.34 6664.243 849.639 94.2 262.6 1991.1 4437.5 87.99 6631.35 815.092 94.6 303.1 1991.2 4469.9 88.56 6668.541 808.792 95.8 296.6 1991.3 4484.3 89.16 6684.87 829.756 96.1 292.2 1991.4 4474.8 89.92 6720.889 864.24 97.1 298.7 1992.1 4544.8 90.73 6783.316 843.811 99.2 325.4 1992.2 4566.7 91.35 6846.759 901.757 99.7 318.4 1992.3 4600.5 91.86 6899.654 912.121 99.7 272.6 1992.4 4665.9 92.56 6990.599 941.598 101.4 323.3 1993.1 4674.9 93.07 6988.724 964.799 100 321.4 1993.2 4721.5 93.65 7031.15 967.023 99.8 338.1 1993.3 4776.9 93.96 7062.012 964.115 99.8 346.2 1993.4 4822.3 94.54 7168.662 1015.612 100.9 374.8 1994.1 4866.6 94.81 7229.371 057.267 101.2 333.4 1994.2 4907.9 95.31 7330.238 1118.482 101.4 386.4 1994.3 4944.5 96.13 7370.163 1101.805 101.2 404.1 1994.4 4993.6 96.56 7461.109 1150.469 101.9 422 1995.1 5011.6 97.15 7488.689 1162.362 101.6 427 1995.2 5059.6 97.71 7503.3 1128.548 101.9 446.7 1995.3 5099.2 98.16 7561.352 1119.091 102.1 474.1 1995.4 5132.1 98.57 7621.904 1152.408 103.1 483.4 1996.1 5174.3 99.16 7676.44 1172.278 104.1 517 1996.2 5229.5 99.79 7802.935 1233.369 105.3 523.3 1996.3 5254.3 100.18 7841.922 1281.411 105.4 531.1 1996.4 5291.9 100.87 7931.305 1283.698 105.9 550.2 1997.1 5349.2 101.53 8018.735 1326.533 106.3 575.5 1997.2 5369.3 101.81 8115.383 1394.086 107.1 598.8 1997.3 5453.1 102.13 8192.187 1397.615 108.1 616.5 1997.4 5497.3 102.44 8253.208 1424.867 108.4 610.2 1998.1 5575.1 102.51 8391.11 1531.453 109.7 618.5 1998.2 5658.8 102.79 8436.348 1513.098 109.8 608.3 1998.3 5714.2 103.07 8515.73 1551.149 110.7 602.5 1998.4 5779.3 103.37 8639.49 11593.935 111.9 603.4 1999.1 5871.3 103.74 8717.623 1608.176 112.7 638.9 1999.2 5944.5 104.32 8758.25 11599.776 113 626 1999.3 6015.7 104.79 8879.824 1651.559 114.3 624.7 1999.4 6102.9 105.43 9037.18 11691.374 116 643.6 sample 2 52 genr ylag=lag(Y) genr clag=lag(c) genr Qlag=lag(Q) 2sls y ylag i (ylag clag qlag r p ) 2sls i y q (ylag clag qlag r p ) 2sls c y clag p (ylag clag qlag r p ) 2sls q qlag r (ylag clag qlag r p ) system 4 ylag clag qlag r p ols y ylag i ols i y q ols c y clag p ols q qlag r end stop