One is curious about the relationship between wage and experience. Suppose that wage increases with experience, but at a decreasing rate. If you estimate the following regression using OLS: wage = fo + Biexperience + u, the estimator for B, is a) biased and inconsistent O b) unbiased and consistent c) biased and consitnt O d) unbiased and inconsistent You are interested in the relationship between crime rate and police expenditure at a state level. Suppose that states tend to increase budgets for police expenditure in response to high crime rates. If you run the following regression using OLS: crime = fo + Biexpenditure + u, %3D you are faced with which of the following threats to internal validity? O There is no threat to internal validity in this case. O Simultaneous causality O Sample selection bias O Misspecification of the functional form

Q: 2(3y-5)=34

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