计量经济学答案南开大学张晓峒.docx
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计量经济学答案南开大学张晓峒
计量经济学答案
第二单元课后第六题答案
DependentVariable:
Y
Method:
LeastSquares
Date:
04/05/13Time:
00:
07
Sample:
19851998
Includedobservations:
14
Variable
Coefficient
Std.Error
t-Statistic
Prob.
C
12596.27
1244.567
10.12101
0.0000
GDP
26.95415
4.120300
6.541792
0.0000
R-squared
0.781002
Meandependentvar
20168.57
AdjustedR-squared
0.762752
S.D.dependentvar
3512.487
S.E.ofregression
1710.865
Akaikeinfocriterion
17.85895
Sumsquaredresid
35124719
Schwarzcriterion
17.95024
Loglikelihood
-123.0126
F-statistic
42.79505
Durbin-Watsonstat
0.859998
Prob(F-statistic)
0.000028
obs
Y
GDP
1985
18249
161.69
1986
18525
171.07
1987
18400
184.07
1988
16693
194.75
1989
15543
197.86
1990
15929
208.55
1991
18308
221.06
1992
17522
246.92
1993
21640
276.8
1994
23783
316.38
1995
24040
363.52
1996
24133
415.51
1997
25090
465.78
1998
24505
509.1
第七题
1第三单元课后第三题答案
DependentVariable:
Y
Method:
LeastSquares
Date:
04/03/13Time:
17:
41
Sample:
118
Includedobservations:
18
Variable
Coefficient
Std.Error
t-Statistic
Prob.
C
1.1271084815
30.333755688
.0371********
0.970849896287
X1
104.158400971
6.41154442556
16.2454463477
6.26433325989e-11
X2
0.400134631906
0.116392003008
3.43781893572
0.00366225249927
R-squared
0.979630987789
Meandependentvar
755.65
AdjustedR-squared
0.976915119495
S.D.dependentvar
258.174979992
S.E.ofregression
39.22635618
Akaikeinfocriterion
10.3275865878
Sumsquaredresid
23080.6052874
Schwarzcriterion
10.4759818807
Loglikelihood
-89.9482792898
F-statistic
360.706367713
Durbin-Watsonstat
2.55148301832
Prob(F-statistic)
2.0762266629e-13
obs
Y
X1
X2
1
450.5
4
171.2
2
507.7
4
174.2
3
613.9
5
204.3
4
563.4
4
218.7
5
510.5
4
219.4
6
781.5
7
240.4
7
541.8
4
273.5
8
611.1
5
294.8
9
1222.1
10
330.2
10
793.2
7
333.1
11
660.8
5
366
12
792.7
6
350.9
13
580.8
4
357.9
14
612.7
5
359
15
890.8
7
371.9
16
1121
9
435.3
17
1094.2
8
523.9
18
1253
10
604.1
第六题
DependentVariable:
Y
Method:
LeastSquares
Date:
04/04/13Time:
23:
44
Sample:
19551984
Includedobservations:
30
Variable
Coefficient
Std.Error
t-Statistic
Prob.
C
0.430378
4.048910
0.106295
0.9162
X1
0.919472
0.235789
3.899556
0.0006
X2
2.933351
1.655564
1.771813
0.0881
X3
0.150667
0.083320
1.808288
0.0821
R-squared
0.600311
Meandependentvar
22.13167
AdjustedR-squared
0.554193
S.D.dependentvar
14.47259
S.E.ofregression
9.663176
Akaikeinfocriterion
7.498088
Sumsquaredresid
2427.801
Schwarzcriterion
7.684914
Loglikelihood
-108.4713
F-statistic
13.01685
Durbin-Watsonstat
1.153145
Prob(F-statistic)
0.000022
obs
Y
X1
X2
X3
1955
7.96
5.33
0.93
4.08
1956
15.34
6.82
2.9
8.3
1957
13.55
8.17
3.84
10.76
1958
10.94
9.48
3.39
8.03
1959
6.39
8.03
1.07
4.47
1960
1.49
3.58
0.46
1.39
1961
0.6
1.17
0.5
0.9
1962
0.66
0.92
0.5
0.43
1963
6.04
1.63
0.39
4.61
1964
15.41
7.73
1.43
9.11
1965
15.3
9.46
0.92
11.89
1966
19.32
13.97
0.66
16.51
1967
35.76
17.32
1.13
20.79
1968
35.03
17.36
0.22
30.01
1969
35.58
19.69
0.44
38.15
1970
31.03
21.13
0.67
34.29
1971
14.33
32.34
0.89
24.46
1972
13.88
19.57
0.13
13.61
1973
14.66
16.39
1.34
13.51
1974
19.37
17.96
1.73
11.59
1975
35.47
18.39
1.6
13.79
1976
35.49
18.83
3.19
15.03
1977
32.77
21.15
1.78
13.63
1978
32.2
19.8
1.43
13.33
1979
38.5
34.86
3.32
22.41
1980
53.72
22.96
2.8
43.89
1981
51.3
17.45
3.7
73.73
1982
34.04
16.05
3.16
88.33
1983
16.03
17.38
1.65
77.5
1984
21.79
16.79
1.37
71.34