>Dear all,
>I would like to ask you how to estimate the sum of two estimators.
>I have examined two equations (supply curve and demand curve) and used reg3
for a just simple (OLS) SEM model as
>follows
>Q = a1 + a2 * P +... + u
>P = b1 + b2 * Q + .... + b3 * X +b4 * X * dummy + v
>Actually, I want to know the estimator value and t-value of "b3 + b4" ...
I want to know how to estimate b3+b4 (the >sum of two estimators).
>How can I get this? Is there any commend for my question on STATA? Or is
there any other methord for estimate the
>sum of two estimators?
>Kim
You can use Stata -lincom- command:
-lincom- computes point estimates, standard errors, t and Z statistics,
p-values, and confidence intervals for linear combinations of coefficients
after any estimation command.
For more information see
. help lincom
--Yulia
[email protected]
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