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  • Create and Apply Constraints for Panel Data Regressions

    Hi,

    I'm having some trouble applying constraints for my regression that should replicate a cash flow constraint.

    I would like to create similar beta coefficient constraints as shown in the attached picture.
    The idea is that the cash flow constraint (dSt + dLt = dAt + Dt - Yt) should hold for each year.
    Where:
    dSt = book value of shares issued
    dLt = change in total liabilities
    dAt = Investment
    Dt = Dividends
    Yt = Earnings

    The sum of the intercepts in the dSt and dLt regressions must equal 0 each year, the slopes for Yt must sum to -1, and the sum of the slopes for dAt and Dt must each be 1.

    I have attempted applying the methodology presented here: https://www.statalist.org/forums/for...-in-regression as well as here: https://www.stata.com/support/faqs/s...nts/index.html without any luck.

    It would be greatly appreciated if someone could point me in the right direction on this.

    Brage
    Attached Files
    Last edited by Brage Sulerud Lykseth; 17 Apr 2022, 12:53.
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