Hi everyone,
I would like to impose nonnegativity constraints for some of the variables in my stochastic small open economy model. Can anyone help me about how to include/capture inequalities in the mod.file?
Thank you in advance for your interest.
Best,
Meral
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Nonnegativity constraints
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Nonnegativity constraints
by meralcakici » Wed Nov 25, 2009 1:41 pm
- meralcakici
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Re: Nonnegativity constraints
by pakocica » Fri Nov 27, 2009 7:38 pm
Dear Meral,
I think that the best choice for you is to use the logarithm lx = log(x) of the variable instead of the variable x itself. The you have guaranteed that the variable x = exp (lx) i positive.
Best,
Pavel
I think that the best choice for you is to use the logarithm lx = log(x) of the variable instead of the variable x itself. The you have guaranteed that the variable x = exp (lx) i positive.
Best,
Pavel
- pakocica
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- Location: Taiwan (come from Prague)
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