Question: Consider the following regression model: y = 0 + 1 x 1 + 2 x 2 + u . Next, suppose that x 1 =

Consider the following regression model: y = 0 + 1 x 1 + 2 x 2 + u . Next, suppose that x 1 = 2 x 2 . Given such, then for an OLS estimated version of this model.

a) 2 is BLUE

b) E [ ^1 ] = 0

c) E [ 1 ] = ^1

d) none of these are correct

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