Hello,
I need to do 2sls analysis with these equations :
gdp = ce + ge + i + x +kgdp
ce = ce(1) + gdp
i = r + gdp
x = ex + ce + kgdp
Anyone can explain to me how to input the equations and instrument variables? I know that I need to put the 1st equation in the equation box and the rest in the instrument but I can't seem to enter more than 1 line of equation in the instrument box. Any help and advice is appreciated. Thank you.
How to input equations in 2sls with 4 equations?
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Re: How to input equations in 2sls with 4 equations?
You need to use a System object, not an Equation object.
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 Nonnormality and collinearity are NOT problems!
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Re: How to input equations in 2sls with 4 equations?
Or, since TSLS is a single equation estimator, just run four estimates.
Re: How to input equations in 2sls with 4 equations?
EViews Gareth wrote:You need to use a System object, not an Equation object.
It gives me syntax error or that the first equation is incomplete everytime I use system
Re: How to input equations in 2sls with 4 equations?
startz wrote:Or, since TSLS is a single equation estimator, just run four estimates.
4 estimates? Can you explain it in more detail?

 Nonnormality and collinearity are NOT problems!
 Posts: 3699
 Joined: Wed Sep 17, 2008 2:25 pm
Re: How to input equations in 2sls with 4 equations?
elliask wrote:startz wrote:Or, since TSLS is a single equation estimator, just run four estimates.
4 estimates? Can you explain it in more detail?
tsls y1 c x1 @ c z1
tsls y2 c x2 @ z1
tsls y3 x x3 @ z1
tsls y4 c x4 @z1
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