Question: 3. (Stock & Watson 2019, Exercise 10.5) Consider the model with a single regressor. This model also can be written as Yit = Bo+B1X1,it

3. (Stock & Watson 2019, Exercise 10.5) Consider the model with a

3. (Stock & Watson 2019, Exercise 10.5) Consider the model with a single regressor. This model also can be written as Yit = Bo+B1X1,it +82B2 + +8BT + 2D2 + + YnDNi + Uit, where B2 = 1 if t = 2 and 0 otherwise, D2 = 1 if i = 2 and 0 otherwise, and so forth. How are the coefficients (30, 82, ..., ST, 2, ..., Y/n) related to the coefficients (a1, an, 1, ..., AT)?

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