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  1. K

    MLE or instrumental variables

    I'm trying to estimate a model in which one of the explanatory variables is correlated with the error term. As I see it there are two alternatives, specify the likelihood function and maximize it to get the estimates of the coefficients, or use instrumental variables. There are pros and cons...
  2. K

    Stata: ml versus nl

    I need to estimate an equation using some iterative method to optimally choose the coefficients. I won't go into the reasons that I can't use a simpler methods like OLS, GLS or instrumental variables (it's a long, sad story). My question is about weather I can expect equivalent results from...