Generally speaking, what are the methods available to the econometrician who wants to estimate a linear model with a fixed effects model design (i.e., dummy variable for individual units observed over multiple periods)?

A. Within Estimator and Fixed Effects regression
B. Within estimator and instrumental variable regression
C. Diff-in-diff and Two-stage least squares
D. Two-stage least squares and Fixed Effects regression


Answer: A

Biology & Microbiology

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