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Does OLS produce inconsistent and/or bias estimators?
The first example has the beta raised to a power.
y = β_0 + (β_1^2 x_1) + (β_2 x_2) + u
The second example has (beta + 1)estimator.
y = β_0 + ((β_1+1) x_1) + (β_2 x_1) + u
Required, but never shown