Question: n the Least Squares Dummy Variable regression model, you should exclude one of the binary variables for the entities a. because one of the entities
n the Least Squares Dummy Variable regression model, you should exclude one of the binary variables for the entities a. because one of the entities is always excluded. b. because there are already too many coefficients to estimate. c. to allow for some changes between entities to take place. d. to avoid perfect (exact) collinearity
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