19-Which of the following depicts autocorrelation (serial correlation)?* O a. Cov(ut, us) = 0 for all t s O b. Cov(ut, us) # 0 for all t #s O c. Cov(ut, us) = 0 for all t =s d. Cov(ut, us) #0 for all t = s
19-Which of the following depicts autocorrelation (serial correlation)?* O a. Cov(ut, us) = 0 for all t s O b. Cov(ut, us) # 0 for all t #s O c. Cov(ut, us) = 0 for all t =s d. Cov(ut, us) #0 for all t = s
Chapter1: Introducing The Economic Way Of Thinking
Section1.A: Applying Graphics To Economics
Problem 12SQ
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Transcribed Image Text:19-Which of the following depicts autocorrelation (serial correlation)?
O a. Cov(ut, us) = 0 for all t #s
b. Cov(ut, us) 0 for all t s
c. Cov(ut, us) =0 for all t= s
O d. Cov(ut us) 0 for all t=s
20- If OLS is used in the presence of autocorrelation, which of the following will
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