    mean       sigma      income   income^2    age    child
  
constant  
   -2.6797    0.3195    4.1266         0    0.2311         0

    0.2249    0.1171    0.9766         0    0.3442         0

price     
  -30.5981    2.3351   16.4214   -0.8937         0    2.9625

    7.1174    0.8487  156.0640    8.0705         0    3.5366

sugar     
    0.1197    0.0158   -0.2319         0    0.0576         0

    0.2249    0.0093    0.0355         0    0.0235         0

mushy     
   -0.2941    0.2335    1.4380         0   -0.8770         0

    0.0130    0.1427    0.4847         0    0.4988         0

                                                                    
**********************************************************************
                                                                   
GMM objective:  23.4556
MD R-squared:  0.4976
MD weighted R-squared:  0.062216
run time (minutes):  0.48567
