The NLIN Procedure
                       Dependent Variable elasticity
                            Method: Gauss-Newton

                              Iterative Phase
                                                          Sum of
            Iter          b0          b1          b2     Squares

               0      1.0000      1.0000    0.000400     2938596
               1      1.0973      0.9802    0.000408     2933582
               2      1.1588      0.9688    0.000413     2911056
               3      1.2366      0.9552    0.000419     2889953
               4      1.3350      0.9390    0.000425     2872539
               5      1.4591      0.9201    0.000433     2861544
               6      1.6153      0.8984    0.000442     2859834
               7      1.7132      0.8861    0.000447     2834357
               8      1.8364      0.8715    0.000453     2810513
               9      1.9912      0.8543    0.000461     2790477
              10      2.1850      0.8346    0.000469     2776599
              11      2.4267      0.8121    0.000478     2770952
              12      2.5763      0.7996    0.000484     2740820
              13      2.7635      0.7848    0.000490     2711531
              14      2.9970      0.7676    0.000497     2684877
              15      3.2866      0.7480    0.000506     2662600
              16      3.6437      0.7259    0.000515     2645942
              17      4.0804      0.7016    0.000526     2635172
              18      4.6092      0.6753    0.000537     2629230
              19      5.2426      0.6475    0.000549     2625684
              20      5.9930      0.6185    0.000562     2621011
              21      6.8715      0.5888    0.000575     2611135
              22      7.8881      0.5590    0.000588     2592035
              23      9.0513      0.5293    0.000601     2560260
              24     10.3670      0.5000    0.000615     2513285
              25     11.8387      0.4716    0.000628     2449683
              26     13.4660      0.4441    0.000640     2369156
              27     15.2452      0.4177    0.000652     2272468
              28     17.1678      0.3926    0.000664     2161306
              29     21.2747      0.3452    0.000686     2130793
              30     24.7998      0.3128    0.000702     1958561
              31     31.2581      0.2624    0.000727     1804758
              32     40.0716      0.2095    0.000753     1504378
              33     58.0812      0.1301    0.000795     1013461
              34     66.0934      0.1210    0.000804      210605
              35     66.8494      0.1206    0.000803      205595
              36     66.7749      0.1208    0.000803      205595
              37     66.7950      0.1207    0.000803      205595
              38     66.7897      0.1208    0.000803      205595


      NOTE: Convergence criterion met.                                
                             The NLIN Procedure

                            Estimation Summary

                   Method                   Gauss-Newton
                   Iterations                         38
                   Subiterations                      68
                   Average Subiterations        1.789474
                   R                            3.538E-6
                   PPC(b1)                      0.000033
                   RPC(b1)                      0.000123
                   Object                       1.32E-10
                   Objective                    205595.1
                   Observations Read                  17
                   Observations Used                  17
                   Observations Missing                0


            NOTE: An intercept was not specified for this model.

                                   Sum of        Mean               Approx
 Source                    DF     Squares      Square    F Value    Pr > F

 Model                      3    70739239    23579746    1605.66    <.0001
 Error                     14      205595     14685.4                     
 Uncorrected Total         17    70944834                                 


                                      Approx     Approximate 95% Confidence
        Parameter      Estimate    Std Error               Limits

        b0              66.7897        107.5      -163.8       297.4
        b1               0.1208       0.2997     -0.5220      0.7635
        b2             0.000803     0.000082    0.000628    0.000978


                       Approximate Correlation Matrix
                             b0              b1              b2

             b0       1.0000000      -0.9984874       0.9490697
             b1      -0.9984874       1.0000000      -0.9647963
             b2       0.9490697      -0.9647963       1.0000000