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Posted: **Thu Aug 30, 2012 3:00 pm**

Hello I'm estimating a TSLS equation model in a panel.

I have 4 variables:
a) LPI
b) GDP
c) XMGDP
d) DENSITY

And my instrument used is:
a) YEARSONCHAIR

How can i write the code to program the equation? It keeps saying that I need more instruments.

Posted: **Thu Aug 30, 2012 3:30 pm**

You need more instruments.

Posted: **Thu Sep 13, 2012 8:53 am**

hello
my variable is un.and instruments is inf(-1).is it ok?or do i need more?

Posted: **Thu Sep 13, 2012 9:42 am**

You need at least as many instruments as right hand side variables.

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Estimating TSLS equation in panel.

Estimating TSLS equation in panel.

Re: Estimating TSLS equation in panel.

Re: Estimating TSLS equation in panel.

Re: Estimating TSLS equation in panel.