Dear all
I'm using the biprobit command to evaluate the impact of a income
transference program on a food insurance indicator. I have to equations:
svy linearized : biprobit fomegra benef
///
idade anosest d_sexo d_cor
///
d_sabeler d_matpar d_matcob numpescom d_agua d_banheiro numban d_lixo
///
rendapc _Iregiao_2 _Iregiao_3 _Iregiao_4 _Iregiao_5
The dependent variables in the two equations are fomegra (the food
insurance indicator, a dummy variable) and benef (a dummy variable that
indicates the program participation). My intention is eliminate the bias due
to the fact that impact variable (benef) is endogenous because I think that
benef and fomegra are simultaneously determined.
STATA returns the following message:
(running biprobit on estimation sample)
initial values not feasible
an error occurred when svy executed biprobit
r(1400);
How can I solve this?
Thanks in advance
Henrique Neder
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