ANNEXE N°3 : Estimation du modèle
macro-économique
a) Estimation des paramètres
Dependent Variable: PPSA
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Method: Least Squares
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Date: 04/19/10 Time: 09:49
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Sample(adjusted): 1 34
|
Included observations: 19
|
Excluded observations: 15 after adjusting endpoints
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Variable
|
Coefficient
|
Std. Error
|
t-Statistic
|
Prob.
|
C
|
13.93417
|
21.86338
|
0.637329
|
0.5369
|
COGI
|
0.139082
|
0.235558
|
0.590434
|
0.5668
|
IPAU
|
-0.097316
|
0.205873
|
-0.472699
|
0.6457
|
TAAD
|
-0.334194
|
0.142293
|
-2.348638
|
0.0386
|
TDEM
|
1.867753
|
4.457186
|
0.419043
|
0.6833
|
TINF
|
0.008545
|
0.030542
|
0.279771
|
0.7848
|
TPIB
|
-8.947802
|
1.862908
|
-4.803138
|
0.0006
|
TPUR
|
0.425736
|
0.120626
|
3.529396
|
0.0047
|
R-squared
|
0.863645
|
Mean dependent var
|
22.52632
|
Adjusted R-squared
|
0.776874
|
S.D. dependent var
|
12.13520
|
S.E. of regression
|
5.732210
|
Akaike info criterion
|
6.625641
|
Sum squared resid
|
361.4405
|
Schwarz criterion
|
7.023299
|
Log likelihood
|
-54.94359
|
F-statistic
|
9.953132
|
Durbin-Watson stat
|
1.208259
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Prob(F-statistic)
|
0.000540
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b) Test sur les résidus
Breusch-Godfrey Serial Correlation LM Test:
|
F-statistic
|
0.657770
|
Probability
|
0.541224
|
Obs*R-squared
|
2.423068
|
Probability
|
0.297740
|
Test Equation:
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Dependent Variable: RESID
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Method: Least Squares
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Date: 04/19/10 Time: 09:53
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Presample and interior missing value lagged residuals set to
zero.
|
Variable
|
Coefficient
|
Std. Error
|
t-Statistic
|
Prob.
|
C
|
-15.63503
|
29.68618
|
-0.526677
|
0.6112
|
COGI
|
0.052671
|
0.250984
|
0.209858
|
0.8385
|
IPAU
|
0.066609
|
0.223553
|
0.297954
|
0.7725
|
TAAD
|
-0.006936
|
0.174398
|
-0.039773
|
0.9691
|
TDEM
|
2.289689
|
5.308302
|
0.431341
|
0.6764
|
TINF
|
0.006319
|
0.032227
|
0.196075
|
0.8489
|
TPIB
|
0.344144
|
1.970867
|
0.174615
|
0.8652
|
TPUR
|
0.110162
|
0.307423
|
0.358339
|
0.7284
|
RESID(-1)
|
0.417327
|
0.401292
|
1.039958
|
0.3255
|
RESID(-2)
|
0.353313
|
1.370444
|
0.257809
|
0.8024
|
R-squared
|
0.127530
|
Mean dependent var
|
1.40E-15
|
Adjusted R-squared
|
-0.744940
|
S.D. dependent var
|
4.481075
|
S.E. of regression
|
5.919329
|
Akaike info criterion
|
6.699740
|
Sum squared resid
|
315.3461
|
Schwarz criterion
|
7.196813
|
Log likelihood
|
-53.64753
|
F-statistic
|
0.146171
|
Durbin-Watson stat
|
1.751274
|
Prob(F-statistic)
|
0.995738
|
c) spécification du modèle
Ramsey RESET Test:
|
F-statistic
|
0.943680
|
Probability
|
0.354243
|
Log likelihood ratio
|
1.713364
|
Probability
|
0.190550
|
|
|
|
|
|
Test Equation:
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Dependent Variable: PPSA
|
Method: Least Squares
|
Date: 04/19/10 Time: 09:52
|
Sample: 1 34
|
Included observations: 19
|
Excluded observations: 15
|
Variable
|
Coefficient
|
Std. Error
|
t-Statistic
|
Prob.
|
C
|
6.309497
|
23.28245
|
0.270998
|
0.7919
|
COGI
|
-0.120607
|
0.356702
|
-0.338118
|
0.7423
|
IPAU
|
-0.008733
|
0.225648
|
-0.038702
|
0.9699
|
TAAD
|
-0.038217
|
0.336425
|
-0.113598
|
0.9118
|
TDEM
|
3.052800
|
4.632159
|
0.659045
|
0.5248
|
TINF
|
0.000256
|
0.031787
|
0.008057
|
0.9937
|
TPIB
|
-2.972023
|
6.428797
|
-0.462298
|
0.6538
|
TPUR
|
0.164617
|
0.294750
|
0.558498
|
0.5888
|
FITTED^2
|
0.015499
|
0.015955
|
0.971432
|
0.3542
|
R-squared
|
0.875403
|
Mean dependent var
|
22.52632
|
Adjusted R-squared
|
0.775726
|
S.D. dependent var
|
12.13520
|
S.E. of regression
|
5.746941
|
Akaike info criterion
|
6.640727
|
Sum squared resid
|
330.2733
|
Schwarz criterion
|
7.088093
|
Log likelihood
|
-54.08691
|
F-statistic
|
8.782361
|
Durbin-Watson stat
|
1.039861
|
Prob(F-statistic)
|
0.001212
|
|