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  • Endogenous Frontier

    Hello everybody,
    I have some question about Endogenous Frontier of Dr. Mustafa Ugur Karakaplan,
    this is command: sfkk y x1 x2 x3 z1, cost uhet(z2) endogenous(z1 z2) instruments(iv1 iv2) delve header timer beep
    I see here they have z2 in endogenous, but z2 is not include in model. I'm so confuse about that, and when I run model it's very slow.
    So I hope that you can help me to explain my question, and recommend for me some books or experience to run this model.
    Thank you very much.

  • #2
    You'll increase your chances of a helpful answer by following the FAQ on asking questions - provide Stata code in code delimiters, readable Stata output, and sample data using dataex. Really diagnosing such data-specific problems is easier with data.

    This is a user written command. A response on this list depends on someone happening to use that command. You are best advised to contact the program's author. It may be that the program automatically includes variables listed in endogenous() in the equation.

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