EXHIBIT A

 |_*----------------------------------------------------------------------*_|
 |_* Stylized cross-sectional data on 80 individuals aged 20 to 50 years  *_|
 |_* income= annual income in thousands of dollars                        *_|
 |_* age = age in years                                                   *_|
 |_* exp = work experience in years                                       *_|
 |_* female=1 if female, 0 otherwise                                      *_|
 |_*----------------------------------------------------------------------*_|

 |_sample 1 80
 |_read(income.dat) income age exp female
 
 |_stat / pcor
 NAME        N   MEAN        ST. DEV      VARIANCE     MINIMUM      MAXIMUM
 INCOME      80   24.431       8.9013       79.233       2.8128       45.441
 AGE         80   36.175       8.9510       80.121       20.000       49.000
 EXP         80   14.262       8.7551       76.652      0.00000       30.000
 FEMALE      80  0.30000      0.46115      0.21266      0.00000       1.0000
 
  CORRELATION MATRIX OF VARIABLES -       80 OBSERVATIONS
 
 INCOME     1.0000
 AGE       0.40990       1.0000
 EXP       0.56410      0.95224       1.0000
 FEMALE   -0.57040      0.63786E-01 -0.16084       1.0000
              INCOME       AGE          EXP          FEMALE

REGRESSION A1

 |_ols income age / noanova
 
 REQUIRED MEMORY IS PAR=    6 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = INCOME
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.1680     R-SQUARE ADJUSTED =   0.1574
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   66.766
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   8.1710
 SUM OF SQUARED ERRORS-SSE=   5207.7
 MEAN OF DEPENDENT VARIABLE =   24.431
 LOG OF THE LIKELIHOOD FUNCTION = -280.550
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      78 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 AGE       0.40762     0.1027       3.969     1.000 0.410     0.4099     0.6036
 CONSTANT   9.6849      3.826       2.531     0.993 0.276     0.0000     0.3964

REGRESSION A2

 |_ols income exp / noanova
 
 REQUIRED MEMORY IS PAR=    6 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = INCOME
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.3182     R-SQUARE ADJUSTED =   0.3095
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   54.713
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   7.3968
 SUM OF SQUARED ERRORS-SSE=   4267.6
 MEAN OF DEPENDENT VARIABLE =   24.431
 LOG OF THE LIKELIHOOD FUNCTION = -272.587
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      78 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 EXP       0.57352     0.9505E-01   6.034     1.000 0.564     0.5641     0.3348
 CONSTANT   16.251      1.588       10.23     1.000 0.757     0.0000     0.6652

REGRESSION A3

 |_ols income age exp / noanova
 
 REQUIRED MEMORY IS PAR=    6 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = INCOME
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.4919     R-SQUARE ADJUSTED =   0.4787
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   41.305
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   6.4269
 SUM OF SQUARED ERRORS-SSE=   3180.5
 MEAN OF DEPENDENT VARIABLE =   24.431
 LOG OF THE LIKELIHOOD FUNCTION = -260.825
  
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      77 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 AGE       -1.3573     0.2646      -5.130     0.000-0.505    -1.3649    -2.0097
 EXP        1.8949     0.2705       7.006     1.000 0.624     1.8638     1.1062
 CONSTANT   46.504      6.056       7.679     1.000 0.659     0.0000     1.9035

REGRESSION A4

 |_ols income female / noanova
 
 REQUIRED MEMORY IS PAR=    6 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = INCOME
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.3254     R-SQUARE ADJUSTED =   0.3167
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   54.140
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   7.3580
 SUM OF SQUARED ERRORS-SSE=   4222.9
 MEAN OF DEPENDENT VARIABLE =   24.431
 LOG OF THE LIKELIHOOD FUNCTION = -272.165
 
 

 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      78 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 FEMALE    -11.010      1.795      -6.133     0.000-0.570    -0.5704    -0.1352
 CONSTANT   27.734     0.9833       28.21     1.000 0.954     0.0000     1.1352

REGRESSION A5

 |_ols income age exp female / noanova
 
 REQUIRED MEMORY IS PAR=    7 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = INCOME
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.5637     R-SQUARE ADJUSTED =   0.5465
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   35.935
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   5.9946
 SUM OF SQUARED ERRORS-SSE=   2731.1
 MEAN OF DEPENDENT VARIABLE =   24.431
 LOG OF THE LIKELIHOOD FUNCTION = -254.732
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      76 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 AGE      -0.45230     0.3555      -1.272     0.104-0.144    -0.4548    -0.6697
 EXP       0.94990     0.3675       2.585     0.994 0.284     0.9343     0.5545
 FEMALE    -7.5495      2.135      -3.536     0.000-0.376    -0.3911    -0.0927
 CONSTANT   29.509      7.416       3.979     1.000 0.415     0.0000     1.2079

 |_genr age2=age*age
 |_genr femage=female*age
 |_genr femexp=female*exp
 |_genr femage2=female*age2

REGRESSION A6

 |_ols income age age2 exp female femage femage2 femexp / &
 |      noanova exactdw auxrsqr resid=e
 
 REQUIRED MEMORY IS PAR=   63 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = INCOME
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
 DURBIN-WATSON STATISTIC  =   2.46147
 
 DURBIN-WATSON PROBABILITY =    0.980069
 R-SQUARE OF AGE      ON OTHER INDEPENDENT VARIABLES =   0.9936
 R-SQUARE OF AGE2     ON OTHER INDEPENDENT VARIABLES =   0.9922
 R-SQUARE OF EXP      ON OTHER INDEPENDENT VARIABLES =   0.9717
 R-SQUARE OF FEMALE   ON OTHER INDEPENDENT VARIABLES =   0.9977
 R-SQUARE OF FEMAGE   ON OTHER INDEPENDENT VARIABLES =   0.9995
 R-SQUARE OF FEMAGE2  ON OTHER INDEPENDENT VARIABLES =   0.9984
 R-SQUARE OF FEMEXP   ON OTHER INDEPENDENT VARIABLES =   0.9859
 R-SQUARE OF CONSTANT ON OTHER INDEPENDENT VARIABLES =   0.0000
 
  R-SQUARE =   0.5926     R-SQUARE ADJUSTED =   0.5530
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   35.415
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   5.9511
 SUM OF SQUARED ERRORS-SSE=   2549.9
 MEAN OF DEPENDENT VARIABLE =   24.431
 LOG OF THE LIKELIHOOD FUNCTION = -251.986
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      72 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 AGE       -1.4581     0.9380      -1.555     0.062-0.180    -1.4662    -2.1590
 AGE2      0.11784E-01 0.1209E-01  0.9750     0.834 0.114     0.8315     0.6694
 EXP        1.1994     0.4544       2.640     0.995 0.297     1.1797     0.7002
 FEMALE    -57.737      30.09      -1.919     0.029-0.221    -2.9912    -0.7090
 FEMAGE     2.9376      1.679       1.749     0.958 0.202     5.8465     1.3362
 FEMAGE2  -0.31735E-01 0.2221E-01  -1.429     0.079-0.166    -2.6661    -0.5630
 FEMEXP   -0.96734     0.8030      -1.205     0.116-0.141    -0.7620    -0.1440
 CONSTANT   45.667      16.22       2.816     0.997 0.315     0.0000     1.8692

 |_* Hypothesis A1
 |_test
 |_test age=0
 |_test age2=0
 |_end
 F STATISTIC =   1.5357564     WITH    2 AND   72 D.F.  P-VALUE= 0.22226
 WALD CHI-SQUARE STATISTIC =   3.0715129     WITH    2 D.F.  P-VALUE= 0.21529
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 0.65114

 |_* Hypothesis A2
 |_test
 |_test exp=0
 |_test femexp=0
 |_end
 F STATISTIC =   3.5455374     WITH    2 AND   72 D.F.  P-VALUE= 0.03399
 WALD CHI-SQUARE STATISTIC =   7.0910749     WITH    2 D.F.  P-VALUE= 0.02885
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 0.28204

 |_* Hypothesis A3
 |_test
 |_test age=0
 |_test age2=0
 |_test femage=0
 |_test femage2=0
 |_end
 F STATISTIC =   1.0662848     WITH    4 AND   72 D.F.  P-VALUE= 0.37955
 WALD CHI-SQUARE STATISTIC =   4.2651391     WITH    4 D.F.  P-VALUE= 0.37131
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 0.93784

 |_* Hypothesis A4
 |_test
 |_test female=0
 |_test femage=0
 |_test femage2=0
 |_test femexp=0
 |_end
 F STATISTIC =   4.4512711     WITH    4 AND   72 D.F.  P-VALUE= 0.00286
 WALD CHI-SQUARE STATISTIC =   17.805084     WITH    4 D.F.  P-VALUE= 0.00135
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 0.22465

 |_* Error analysis
 |_genr e2=e*e

REGRESSION A7

 |_ols e2 age age2 exp female femage femage2 femexp / auxrsqr noanova
 
 REQUIRED MEMORY IS PAR=   14 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = E2
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 R-SQUARE OF AGE      ON OTHER INDEPENDENT VARIABLES =   0.9936
 R-SQUARE OF AGE2     ON OTHER INDEPENDENT VARIABLES =   0.9922
 R-SQUARE OF EXP      ON OTHER INDEPENDENT VARIABLES =   0.9717
 R-SQUARE OF FEMALE   ON OTHER INDEPENDENT VARIABLES =   0.9977
 R-SQUARE OF FEMAGE   ON OTHER INDEPENDENT VARIABLES =   0.9995
 R-SQUARE OF FEMAGE2  ON OTHER INDEPENDENT VARIABLES =   0.9984
 R-SQUARE OF FEMEXP   ON OTHER INDEPENDENT VARIABLES =   0.9859
 R-SQUARE OF CONSTANT ON OTHER INDEPENDENT VARIABLES =   0.0000
 
  R-SQUARE =   0.1514     R-SQUARE ADJUSTED =   0.0689
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   2783.6
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   52.759
 SUM OF SQUARED ERRORS-SSE=  0.20042E+06
 MEAN OF DEPENDENT VARIABLE =   31.874
 LOG OF THE LIKELIHOOD FUNCTION = -426.560
  
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      72 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 AGE        10.705      8.316       1.287     0.899 0.150     1.7525    12.1497
 AGE2     -0.81095E-01 0.1072     -0.7568     0.226-0.089    -0.9316    -3.5308
 EXP       -3.9320      4.028     -0.9761     0.166-0.114    -0.6296    -1.7594
 FEMALE     166.54      266.8      0.6243     0.733 0.073     1.4046     1.5675
 FEMAGE    -13.301      14.89     -0.8933     0.187-0.105    -4.3096    -4.6373
 FEMAGE2   0.24281     0.1969       1.233     0.889 0.144     3.3208     3.3016
 FEMEXP    -2.8356      7.119     -0.3983     0.346-0.047    -0.3637    -0.3236
 CONSTANT  -183.84      143.8      -1.278     0.103-0.149     0.0000    -5.7677

REGRESSION A8

 |_ols e2 age / noanova
 
 REQUIRED MEMORY IS PAR=   10 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = E2
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.0882     R-SQUARE ADJUSTED =   0.0765
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   2760.7
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   52.543
 SUM OF SQUARED ERRORS-SSE=  0.21534E+06
 MEAN OF DEPENDENT VARIABLE =   31.874
 LOG OF THE LIKELIHOOD FUNCTION = -429.432
  


 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      78 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 AGE        1.8143     0.6604       2.747     0.996 0.297     0.2970     2.0591
 CONSTANT  -33.759      24.60      -1.372     0.087-0.154     0.0000    -1.0591

REGRESSION A9

 |_ols e2 exp / noanova
 
 REQUIRED MEMORY IS PAR=   10 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = E2
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.0543     R-SQUARE ADJUSTED =   0.0422
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   2863.3
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   53.510
 SUM OF SQUARED ERRORS-SSE=  0.22334E+06
 MEAN OF DEPENDENT VARIABLE =   31.874
 LOG OF THE LIKELIHOOD FUNCTION = -430.891
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      78 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 EXP        1.4559     0.6876       2.117     0.981 0.233     0.2331     0.6515
 CONSTANT   11.109      11.49      0.9670     0.832 0.109     0.0000     0.3485

REGRESSION A10

 |_ols e2 female / noanova
 
 REQUIRED MEMORY IS PAR=   10 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = E2
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 
  R-SQUARE =   0.0057     R-SQUARE ADJUSTED =  -0.0071
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   3010.7
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   54.870
 SUM OF SQUARED ERRORS-SSE=  0.23484E+06
 MEAN OF DEPENDENT VARIABLE =   31.874
 LOG OF THE LIKELIHOOD FUNCTION = -432.900
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      78 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 FEMALE     8.9130      13.39      0.6658     0.746 0.075     0.0752     0.0839
 CONSTANT   29.200      7.332       3.982     1.000 0.411     0.0000     0.9161

 |_genr wtage=1/age

REGRESSION A11

 |_ols income age age2 exp female femage femage2 femexp / &
 |     exactdw weight=wtage noanova
 
 REQUIRED MEMORY IS PAR=   65 CURRENT PAR=  500
  OLS ESTIMATION
       80 OBSERVATIONS     DEPENDENT VARIABLE = INCOME
 ...NOTE..SAMPLE RANGE SET TO:    1,   80
 SUM OF LOG(SQRT(ABS(WEIGHT)))  =  -1.4924
 
 DURBIN-WATSON STATISTIC  =   2.48989
 
 DURBIN-WATSON PROBABILITY =    0.985616
 
  R-SQUARE =   0.6112     R-SQUARE ADJUSTED =   0.5734
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   30.356
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   5.5096
 SUM OF SQUARED ERRORS-SSE=   2185.6
 MEAN OF DEPENDENT VARIABLE =   23.438
 LOG OF THE LIKELIHOOD FUNCTION = -247.313
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      72 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 AGE       -1.2900     0.8502      -1.517     0.067-0.176    -1.4068    -1.8545
 AGE2      0.91564E-02 0.1120E-01  0.8172     0.792 0.096     0.6837     0.4762
 EXP        1.2129     0.4280       2.834     0.997 0.317     1.2792     0.6192
 FEMALE    -56.324      26.28      -2.143     0.018-0.245    -3.0494    -0.6972
 FEMAGE     2.7694      1.498       1.849     0.966 0.213     5.4515     1.1944
 FEMAGE2  -0.26359E-01 0.2048E-01  -1.287     0.101-0.150    -2.1177    -0.4211
 FEMEXP    -1.2068     0.7847      -1.538     0.064-0.178    -0.8999    -0.1527
 CONSTANT   43.025      14.41       2.985     0.998 0.332     0.0000     1.8357

REGRESSION A12

 |_probit female income age exp
 
 REQUIRED MEMORY IS PAR=    8 CURRENT PAR=  500
 FOR MAXIMUM EFFICIENCY USE AT LEAST PAR=    11
 PROBIT ANALYSIS     DEPENDENT VARIABLE =FEMALE  CHOICES =  2
       80. TOTAL OBSERVATIONS
       24. OBSERVATIONS AT ONE
       56. OBSERVATIONS AT ZERO
   25 MAXIMUM ITERATIONS
 CONVERGENCE TOLERANCE =0.00100
 
 LOG OF LIKELIHOOD WITH CONSTANT TERM ONLY =    -48.869
 BINOMIAL  ESTIMATE = 0.3000
 ITERATION  0      LOG OF LIKELIHOOD FUNCTION =   -48.869
 
 ITERATION  1 ESTIMATES
 -0.55728E-01 0.27405    -0.26289     -5.5270
 ITERATION  1      LOG OF LIKELIHOOD FUNCTION =   -21.214
 
... output deleted

 ITERATION  6 ESTIMATES
 -0.15274      1.0316     -1.0293     -20.972
 ITERATION  6      LOG OF LIKELIHOOD FUNCTION =   -13.113
 
 ITERATION  7 ESTIMATES
 -0.15291      1.0334     -1.0311     -21.009
 
 
                                 ASYMPTOTIC                         WEIGHTED
 VARIABLE    ESTIMATED      STANDARD     T-RATIO    ELASTICITY      AGGREGATE
   NAME     COEFFICIENT       ERROR                  AT MEANS      ELASTICITY
 
 INCOME       -0.15291      0.58408E-01  -2.6179      -9.0947     -0.92723
 AGE            1.0334      0.36337       2.8438       91.009       11.291
 EXP           -1.0311      0.37866      -2.7230      -35.803      -3.7388
 CONSTANT      -21.009       7.9525      -2.6418      -51.149      -6.6102
 
 
 LOG-LIKELIHOOD(0)  =   -48.869      LOG-LIKELIHOOD FUNCTION  =   -13.113
 LIKELIHOOD RATIO TEST  =    71.5130    WITH     3  D.F.
 
 MADDALA R-SQUARE            0.5909
 CRAGG-UHLER R-SQUARE        0.83789
 MCFADDEN R-SQUARE           0.73168
      ADJUSTED FOR DEGREES OF FREEDOM        0.72109
      APPROXIMATELY F-DISTRIBUTED     3.6358      WITH        3  AND     4  D.F.
 CHOW R-SQUARE               0.75692
 
          PREDICTION SUCCESS TABLE
                        ACTUAL
                   0             1
 
           0     54.            2.
 PREDICTED 1      2.           22.
 
 NUMBER OF RIGHT PREDICTIONS =        76.0
 PERCENTAGE OF RIGHT PREDICTIONS =    0.95000
 

EXHIBIT B

 |_*---------------------------------------------------------------------*_|
 |_* Stylized data on fish as household pets (99 quarterly observations  *_|
 |_*  1968:1 to 1992:3                                                   *_|
 |_* petfish = number of households per thousand who keep fish as pets   *_|
 |_* home = percent of hhlds with at least one person at home during day *_|
 |_* price = price of guppies, goldfish as a proxy for price of pet fish *_|
 |_*---------------------------------------------------------------------*_|

 |_sample 1 99
 |_read(petfish.dat) petfish home price
 
 |_genr year=1968+(time(0)/4)

 |_stat / pcor

 NAME        N   MEAN        ST. DEV      VARIANCE     MINIMUM      MAXIMUM
 PETFISH     99   86.057       9.0935       82.692       63.565       103.57
 HOME        99   54.026       1.7712       3.1371       50.031       57.623
 PRICE       99   58.827       7.0859       50.210       46.939       72.000
 YEAR        99   1980.5       7.1807       51.563       1968.3       1992.8
 
  CORRELATION MATRIX OF VARIABLES -       99 OBSERVATIONS
  
 PETFISH    1.0000
 HOME      0.28811       1.0000
 PRICE    -0.25743      0.26103       1.0000
 YEAR      0.28097     -0.18905     -0.94618       1.0000
              PETFISH      HOME         PRICE        YEAR

REGRESSION B1

 
 |_ols petfish home price / auxrsqr noanova exactdw resid=e predict=fitols
 
 REQUIRED MEMORY IS PAR=   86 CURRENT PAR=  500
  OLS ESTIMATION
       99 OBSERVATIONS     DEPENDENT VARIABLE = PETFISH
 ...NOTE..SAMPLE RANGE SET TO:    1,   99
 
 DURBIN-WATSON STATISTIC  =   0.17784
 
 DURBIN-WATSON PROBABILITY =    0.000000
 R-SQUARE OF HOME     ON OTHER INDEPENDENT VARIABLES =   0.0681
 R-SQUARE OF PRICE    ON OTHER INDEPENDENT VARIABLES =   0.0681
 R-SQUARE OF CONSTANT ON OTHER INDEPENDENT VARIABLES =   0.0000
 
  R-SQUARE =   0.2017     R-SQUARE ADJUSTED =   0.1851
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   67.384
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   8.2088
 SUM OF SQUARED ERRORS-SSE=   6468.9
 MEAN OF DEPENDENT VARIABLE =   86.057
 LOG OF THE LIKELIHOOD FUNCTION = -347.367
 

 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      96 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 HOME       1.9576     0.4850       4.036     1.000 0.381     0.3813     1.2290
 PRICE    -0.45810     0.1212      -3.779     0.000-0.360    -0.3570    -0.3131
 CONSTANT   7.2439      25.31      0.2862     0.612 0.029     0.0000     0.0842
 
 |_genr e2=e*e

REGRESSION B2

 |_ols e2 home price / auxrsqr noanova
 
 REQUIRED MEMORY IS PAR=   10 CURRENT PAR=  500
  OLS ESTIMATION
       99 OBSERVATIONS     DEPENDENT VARIABLE = E2
 ...NOTE..SAMPLE RANGE SET TO:    1,   99
 R-SQUARE OF HOME     ON OTHER INDEPENDENT VARIABLES =   0.0681
 R-SQUARE OF PRICE    ON OTHER INDEPENDENT VARIABLES =   0.0681
 R-SQUARE OF CONSTANT ON OTHER INDEPENDENT VARIABLES =   0.0000
 
  R-SQUARE =   0.0252     R-SQUARE ADJUSTED =   0.0049
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   6367.4
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   79.796
 SUM OF SQUARED ERRORS-SSE=  0.61128E+06
 MEAN OF DEPENDENT VARIABLE =   65.342
 LOG OF THE LIKELIHOOD FUNCTION = -572.520
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      96 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 HOME      -5.1860      4.714      -1.100     0.137-0.112    -0.1148    -4.2879
 PRICE      1.6218      1.178       1.376     0.914 0.139     0.1437     1.4601
 CONSTANT   250.12      246.0       1.017     0.844 0.103     0.0000     3.8278

 |_genr e1=lag(e,1)
 ..NOTE.LAG VALUE IN UNDEFINED OBSERVATIONS SET TO ZERO
 |_genr e2=lag(e,2)
 ..NOTE.LAG VALUE IN UNDEFINED OBSERVATIONS SET TO ZERO
 |_genr e3=lag(e,3)
 ..NOTE.LAG VALUE IN UNDEFINED OBSERVATIONS SET TO ZERO
 |_genr e4=lag(e,4)
 ..NOTE.LAG VALUE IN UNDEFINED OBSERVATIONS SET TO ZERO

 |_sample 5 99

 

REGRESSION B3

 |_ols e e1 e2 e3 e4 / auxrsqr noanova
 
 REQUIRED MEMORY IS PAR=   14 CURRENT PAR=  500
  OLS ESTIMATION
       95 OBSERVATIONS     DEPENDENT VARIABLE = E
 ...NOTE..SAMPLE RANGE SET TO:    5,   99
 R-SQUARE OF E1       ON OTHER INDEPENDENT VARIABLES =   0.8305
 R-SQUARE OF E2       ON OTHER INDEPENDENT VARIABLES =   0.9116
 R-SQUARE OF E3       ON OTHER INDEPENDENT VARIABLES =   0.9128
 R-SQUARE OF E4       ON OTHER INDEPENDENT VARIABLES =   0.8318
 R-SQUARE OF CONSTANT ON OTHER INDEPENDENT VARIABLES =   0.0000
 
  R-SQUARE =   0.8376     R-SQUARE ADJUSTED =   0.8304
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   11.162
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   3.3410
 SUM OF SQUARED ERRORS-SSE=   1004.6
 MEAN OF DEPENDENT VARIABLE = -0.31556
 LOG OF THE LIKELIHOOD FUNCTION = -246.825
 
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      90 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 E1        0.94800     0.1031       9.194     1.000 0.696     0.9488     0.7881
 E2       -0.19885E-01 0.1413     -0.1407     0.444-0.015    -0.0201    -0.0089
 E3       -0.16693E-01 0.1410     -0.1184     0.453-0.012    -0.0170    -0.0031
 E4       -0.17305E-02 0.1014     -0.1707E-01 0.493-0.002    -0.0018    -0.0001
 CONSTANT -0.70688E-01 0.3432     -0.2060     0.419-0.022     0.0000     0.2240

 |_sample 2 99

REGRESSION B4

 |_auto petfish home price / predict=fitauto noanova
 
 REQUIRED MEMORY IS PAR=   15 CURRENT PAR=  500
 
 DEPENDENT VARIABLE =  PETFISH
 ..NOTE..R-SQUARE,ANOVA,RESIDUALS DONE ON ORIGINAL VARS
 
 LEAST SQUARES ESTIMATION             98 OBSERVATIONS
 BY COCHRANE-ORCUTT TYPE PROCEDURE WITH CONVERGENCE = 0.00100
 
     ITERATION          RHO               LOG L.F.            SSE
         1             0.00000        -344.165              6443.8
         2             0.90319        -248.008              889.99
         3             0.94588        -247.344              873.02
         4             0.94974        -247.371              872.86
 
  LOG L.F. =   -247.374       AT RHO =     0.95003
 
                     ASYMPTOTIC  ASYMPTOTIC  ASYMPTOTIC
           ESTIMATE    VARIANCE    ST.ERROR     T-RATIO
 RHO        0.95003     0.00099     0.03153    30.12935
 
  R-SQUARE =   0.8921     R-SQUARE ADJUSTED =   0.8899
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   9.1880
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   3.0312
 SUM OF SQUARED ERRORS-SSE=   872.86
 MEAN OF DEPENDENT VARIABLE =   86.093
 LOG OF THE LIKELIHOOD FUNCTION = -247.374
  
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      95 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 HOME      0.82179     0.3572       2.301     0.988 0.230     0.1595     0.5159
 PRICE     0.26696     0.2212       1.207     0.885 0.123     0.2053     0.1821
 CONSTANT   26.280      24.54       1.071     0.857 0.109     0.0000     0.3053

 |_genr home1=lag(home)
 |_genr price1=lag(price)

 |_stat home home1 price price1 / pcor

 NAME        N   MEAN        ST. DEV      VARIANCE     MINIMUM      MAXIMUM
 HOME        98   54.042       1.7728       3.1427       50.031       57.623
 HOME1       98   54.055       1.7571       3.0874       50.031       57.623
 PRICE       98   58.710       7.0252       49.354       46.939       72.000
 PRICE1      98   58.945       7.0249       49.349       46.939       72.000
 
  CORRELATION MATRIX OF VARIABLES -       98 OBSERVATIONS
 
 HOME       1.0000
 HOME1     0.87540       1.0000
 PRICE     0.28115      0.25601       1.0000
 PRICE1    0.27664      0.24089      0.98239       1.0000
              HOME         HOME1        PRICE        PRICE1

REGRESSION B5

 |_auto petfish home home1 price price1 / noanova
 
 DEPENDENT VARIABLE =  PETFISH
 ..NOTE..R-SQUARE,ANOVA,RESIDUALS DONE ON ORIGINAL VARS
 
 LEAST SQUARES ESTIMATION             98 OBSERVATIONS
 BY COCHRANE-ORCUTT TYPE PROCEDURE WITH CONVERGENCE = 0.00100
 
     ITERATION          RHO               LOG L.F.            SSE
         1             0.00000        -341.192              6064.4
         2             0.89840        -245.464              845.36
         3             0.93639        -245.033              834.14
         4             0.93774        -245.041              834.10
         5             0.93778        -245.042              834.10
 
  LOG L.F. =   -245.042       AT RHO =     0.93778
 
                     ASYMPTOTIC  ASYMPTOTIC  ASYMPTOTIC
           ESTIMATE    VARIANCE    ST.ERROR     T-RATIO
 RHO        0.93778     0.00123     0.03508    26.73638
 
  R-SQUARE =   0.8969     R-SQUARE ADJUSTED =   0.8925
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   8.9688
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   2.9948
 SUM OF SQUARED ERRORS-SSE=   834.10
 MEAN OF DEPENDENT VARIABLE =   86.093
 LOG OF THE LIKELIHOOD FUNCTION = -245.042
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      93 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 HOME      0.85134     0.3543       2.403     0.991 0.242     0.1652     0.5344
 HOME1    -0.36913E-01 0.3599     -0.1026     0.459-0.011    -0.0071    -0.0232
 PRICE     0.29479     0.2174       1.356     0.911 0.139     0.2268     0.2010
 PRICE1   -0.45778     0.2171      -2.109     0.019-0.214    -0.3521    -0.3134
 CONSTANT   52.014      31.79       1.636     0.947 0.167     0.0000     0.6042

 |_test
 |_test home1=0
 |_test price1=0
 |_end
 F STATISTIC =   2.2316429     WITH    2 AND   93 D.F.  P-VALUE= 0.11307
 WALD CHI-SQUARE STATISTIC =   4.4632859     WITH    2 D.F.  P-VALUE= 0.10735
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 0.44810
 

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