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  • Issue with PMG estimator


    I'm new to Stata.

    I have a panel data which contains 6 sub-groups. There are two inputs GDP (LGDP) and spot electricity price (LSP). T = 8.

    When I performed PMG estimator by using GDP as the dependent variable, I got the following result.
    Click image for larger version

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    However, the values in the circle are missing. And the coefficient is -4120.858!

    And I used the LSP as the dependent variable, there was not issue.
    Click image for larger version

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    Does any know why that happened. Should I use MG estimator instead?

    Last edited by Geoff Chen; 02 Dec 2019, 22:50.