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Panel Data Regression for Unbalanced Data

  • 30-11-2023 11:53am
    #1
    krithikasharon
    Registered Users, Registered Users 2 Posts: 1 ✭


    Hi Guys,

    I have been working with panel data for my research. One of the problem I faced is that. My dataset is monthly based from 2010 to 2023. I was able to do a yearly analysis but for monthly analysis I had to create panel ID's for each month. But the problem is that my data is not balanced.

    Meaning that, I have data for around 50 firms. Some of the firms have been merged, closed or dissolved during some years between 2010-2023, this creates a dataset with only few rows for such firms. I have realized that due to panel ID's they are supposed to be a fixed or balanced data for all firm. The pooled OLS, FE or RE models do not work and I get an error every time. Is there any work around for this??

    Just a simple representation of the dataset: ( I am using Firm and Panel ID as my multi-index)

    Firm Panel ID Datetime

    A 1 02-2010

    A 2 03-2010

    A 3 04-2010

    B 1 02-2010

    B 2 03-2010

    C 1 02-2010

    C 2 03-2010

    C 3 04-2010

    Tagged:


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