EXHIBIT A

 UNIT  6 IS NOW ASSIGNED TO: socialm.out
 |_sample 1 13
 |_read(socialm.dat) spend work other
 UNIT 88 IS NOW ASSIGNED TO: socialm.dat
    3 VARIABLES AND       13 OBSERVATIONS STARTING AT OBS       1
 
 |_stat / pcor
 NAME        N   MEAN        ST. DEV      VARIANCE     MINIMUM      MAXIMUM
 SPEND       13   21.077       10.202       104.08      0.00000       36.000
 WORK        13   16.000       6.4936       42.167       4.0000       27.000
 OTHER       13   29.538       8.0272       64.436       20.000       40.000
 
  CORRELATION MATRIX OF VARIABLES -       13 OBSERVATIONS
 
 SPEND      1.0000
 WORK      0.53965       1.0000
 OTHER     0.43295     -0.32294       1.0000
              SPEND        WORK         OTHER

REGRESSION A1

 |_ols spend work                
 
  OLS ESTIMATION
       13 OBSERVATIONS     DEPENDENT VARIABLE = SPEND
 
  R-SQUARE =   0.2912     R-SQUARE ADJUSTED =   0.2268
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   80.473
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   8.9707
 SUM OF SQUARED ERRORS-SSE=   885.21
 MEAN OF DEPENDENT VARIABLE =   21.077
 LOG OF THE LIKELIHOOD FUNCTION = -45.8819
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      11 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 WORK      0.84783     0.3988       2.126     0.972 0.540     0.5397     0.6436
 CONSTANT   7.5117      6.849       1.097     0.852 0.314     0.0000     0.3564

REGRESSION A2

 
|_ols spend work other                
 
  OLS ESTIMATION
       13 OBSERVATIONS     DEPENDENT VARIABLE = SPEND
 
  R-SQUARE =   0.7029     R-SQUARE ADJUSTED =   0.6435
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   37.108
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   6.0916
 SUM OF SQUARED ERRORS-SSE=   371.08
 MEAN OF DEPENDENT VARIABLE =   21.077
 LOG OF THE LIKELIHOOD FUNCTION = -40.2308
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      10 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 WORK       1.1918     0.2861       4.165     0.999 0.796     0.7586     0.9047
 OTHER     0.86158     0.2315       3.722     0.998 0.762     0.6779     1.2075
 CONSTANT  -23.441      9.528      -2.460     0.017-0.614     0.0000    -1.1122

 |_test other=1.00
 TEST VALUE = -0.13842     STD. ERROR OF TEST VALUE  0.23147
 T STATISTIC = -0.59799985     WITH   10 D.F.    P-VALUE= 0.28157
 F STATISTIC =  0.35760383     WITH    1 AND   10 D.F.  P-VALUE= 0.56314
 WALD CHI-SQUARE STATISTIC =  0.35760382     WITH    1 D.F.  P-VALUE= 0.54984
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 1.00000

 |_test other=.50
 TEST VALUE =  0.36158     STD. ERROR OF TEST VALUE  0.23147
 T STATISTIC =   1.5620994     WITH   10 D.F.    P-VALUE= 0.07466
 F STATISTIC =   2.4401546     WITH    1 AND   10 D.F.  P-VALUE= 0.14933
 WALD CHI-SQUARE STATISTIC =   2.4401546     WITH    1 D.F.  P-VALUE= 0.11826
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 0.40981

REGRESSION A3

 |_ols work other               
 
  OLS ESTIMATION
       13 OBSERVATIONS     DEPENDENT VARIABLE = WORK
 
  R-SQUARE =   0.1043     R-SQUARE ADJUSTED =   0.0229
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   41.203
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   6.4189
 SUM OF SQUARED ERRORS-SSE=   453.23
 MEAN OF DEPENDENT VARIABLE =   16.000
 LOG OF THE LIKELIHOOD FUNCTION = -41.5306
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      11 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 OTHER    -0.26124     0.2308      -1.132     0.141-0.323    -0.3229    -0.4823
 CONSTANT   23.717      7.047       3.365     0.997 0.712     0.0000     1.4823

EXHIBIT B

 UNIT  6 IS NOW ASSIGNED TO: social.out
 |_sample 1 32
 |_read(a:social.dat) spend work other
 UNIT 88 IS NOW ASSIGNED TO: a:social.dat
    3 VARIABLES AND       32 OBSERVATIONS STARTING AT OBS       1
 
 |_stat / pcor
 NAME        N   MEAN        ST. DEV      VARIANCE     MINIMUM      MAXIMUM
 SPEND       32   20.281       13.707       187.89      0.00000       45.000
 WORK        32   15.250       7.5306       56.710       3.0000       30.000
 OTHER       32   32.156       21.999       483.94      0.00000       80.000
 
  CORRELATION MATRIX OF VARIABLES -       32 OBSERVATIONS
 
 SPEND      1.0000
 WORK     -0.10446       1.0000
 OTHER     0.58994     -0.67476       1.0000
              SPEND        WORK         OTHER

REGRESSION B1

 
 |_ols spend work                
 
  OLS ESTIMATION
       32 OBSERVATIONS     DEPENDENT VARIABLE = SPEND
 
  R-SQUARE =   0.0109     R-SQUARE ADJUSTED =  -0.0221
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   192.03
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   13.858
 SUM OF SQUARED ERRORS-SSE=   5760.9
 MEAN OF DEPENDENT VARIABLE =   20.281
 LOG OF THE LIKELIHOOD FUNCTION = -128.496
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      30 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 WORK     -0.19013     0.3305     -0.5753     0.285-0.104    -0.1045    -0.1430
 CONSTANT   23.181      5.604       4.136     1.000 0.603     0.0000     1.1430

REGRESSION B2

 |_ols spend work other                
 
  OLS ESTIMATION
       32 OBSERVATIONS     DEPENDENT VARIABLE = SPEND
 ...NOTE..SAMPLE RANGE SET TO:    1,   32
 
  R-SQUARE =   0.5063     R-SQUARE ADJUSTED =   0.4722
 VARIANCE OF THE ESTIMATE-SIGMA**2 =   99.158
 STANDARD ERROR OF THE ESTIMATE-SIGMA =   9.9578
 SUM OF SQUARED ERRORS-SSE=   2875.6
 MEAN OF DEPENDENT VARIABLE =   20.281
 LOG OF THE LIKELIHOOD FUNCTION = -117.378
 
 VARIABLE   ESTIMATED  STANDARD   T-RATIO        PARTIAL STANDARDIZED ELASTICTY
   NAME    COEFFICIENT   ERROR      29 DF   P-VALUE CORR. COEFFICIENT  AT MEANS
 WORK      0.98114     0.3218       3.049     0.998 0.493     0.5390     0.7377
 OTHER     0.59421     0.1102       5.394     1.000 0.708     0.9537     0.9421
 CONSTANT  -13.789      7.949      -1.735     0.047-0.307     0.0000    -0.6799

 |_test other=1
 TEST VALUE = -0.40579     STD. ERROR OF TEST VALUE  0.11016
 T STATISTIC =  -3.6837853     WITH   29 D.F.    P-VALUE= 0.00047
 F STATISTIC =   13.570274     WITH    1 AND   29 D.F.  P-VALUE= 0.00094
 WALD CHI-SQUARE STATISTIC =   13.570274     WITH    1 D.F.  P-VALUE= 0.00023
 UPPER BOUND ON P-VALUE BY CHEBYCHEV INEQUALITY = 0.07369

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