Questions tagged [paneldata]

Panel data are multi-dimensional data involving measurements over time where observations are for the same subjects each time.

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How to justify the treatment and control groups for Difference-In-Difference with staggered implementation of laws?

A. Background: Dong, 2019 and Dasgupta, 2019 used the same way to generate the treatment and control groups because they all learn about the impact of the same laws on different dependent variables. I ...
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Why we need to add firm and year relating independent variables in two-way fixed effect model?

From what I know, these terms are very basic in econometrics but I still not yet fully got it. To me, year fixed effect is to control time-variant omitted variables and firm fixed effect is to control ...