Un modelo econométrico

Páginas: 6 (1384 palabras) Publicado: 1 de octubre de 2010
Modelo optimizado al máximo

EL MODELO SE DIVIDE POR LA VARIABLE QUE TIENE MAYOR DESVIACIÓN, QUE ES NH5 (CON 104.9016) QUEDANDO COMO :

(Y = C(1)*M + C(2)*PM + C(3)*GS + C(4)*GD + C(5)*TC + C(6)*LI + C(7)*NH5 + C(8) + C(9)*E) / NH5

OBTENIENDO EL SIGUIENTE MODELO:

|Dependent Variable: Y2 |
|Sample: 1 99|
|Included observations: 99 |
|Variable |Coefficient |Std. Error |t-Statistic |Prob. |
|TC |0.175051 |0.039701 |4.409174 |0.0000 |
|PM2|0.416295 |0.075419 |5.519748 |0.0000 |
|M2 |0.233564 |0.049798 |4.690245 |0.0000 |
|LI2 |-0.011943 |0.009963 |-1.198803 |0.2337 |
|GS1 |0.417360 |0.052645 |7.927788 |0.0000 |
|GD1|-0.174120 |0.039602 |-4.396723 |0.0000 |
|E1 |0.033653 |0.014806 |2.272835 |0.0254 |
|C |0.000765 |0.001805 |0.423991 |0.6726 |
|R-squared |0.982449 | Mean dependent var |0.050893 |
|Adjusted R-squared|0.981099 | S.D. dependent var |0.118570 |
|S.E. of regression |0.016301 | Akaike info criterion |-5.317805 |
|Sum squared resid |0.024181 | Schwarz criterion |-5.108098 |
|Log likelihood |271.2313 | F-statistic |727.6968 |
|Durbin-Watsonstat |2.205038 | Prob(F-statistic) |0.000000 |

COMO PUEDE OBSERVARSE, LA VARIABLE LI2 NO ES SIGNIFICATIVA AL 95%, POR LO CUAL SE SACA DEL MODELO PARA LLEGAR AL SIGUIENTE MODELO:

|Dependent Variable: Y2 |
|Method: Least Squares|
|Date: 07/11/04 Time: 12:31 |
|Sample: 1 99 |
|Included observations: 99 |
|White Heteroskedasticity-Consistent Standard Errors & Covariance|
|Variable |Coefficient |Std. Error |t-Statistic |Prob. |
|TC |0.175175 |0.039914 |4.388843 |0.0000 |
|PM2 |0.422273 |0.075645 |5.582280 |0.0000 |
|M2 |0.223273 |0.049159 |4.541852|0.0000 |
|GS1 |0.404550 |0.051135 |7.911367 |0.0000 |
|GD1 |-0.175696 |0.039694 |-4.426229 |0.0000 |
|E1 |0.029394 |0.013714 |2.143309 |0.0347 |
|C |-0.002377 |0.001384 |-1.717085|0.0893 |
|R-squared |0.982273 | Mean dependent var |0.050893 |
|Adjusted R-squared |0.981116 | S.D. dependent var |0.118570 |
|S.E. of regression |0.016294 | Akaike info criterion |-5.328005 |
|Sum squared resid |0.024424 | Schwarz criterion...
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