mean       sigma      income   income^2    age    child
  
constant  
   -2.2751    0.2581    3.5819         0    0.2847         0

    0.2541    0.1209    1.0544         0    0.4230         0

price     
  -31.6864    2.4317   21.6313   -1.0233         0    4.5870

    8.5752    0.8719  181.5619    9.3905         0    3.7320

sugar     
    0.1327    0.0075   -0.2216         0    0.0536         0

    0.2541    0.0102    0.0389         0    0.0250         0

mushy     
   -0.1400    0.1238    1.4420         0   -0.9902         0

    0.0133    0.1597    0.5325         0    0.5936         0

                                                                    
**********************************************************************
                                                                   
GMM objective:  19.3717
MD R-squared:  0.50691
MD weighted R-squared:  0.072066
run time (minutes):  1.343