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Which of the following statements are true? a. The standard error of a regression, 6, is not an unbiased estimator for σ, the standard deviation of the error, u, in a multiple regression model. b. In time-series regressions, OLS estimators are always unbiased. c. Almost all economists agree that unbiasedness is a minimal requirement for an estimator in regression analysis. d. All estimators in a regression model that are consistent are also unbiased. ○ a. a O b. b О с. O d. d

Which of the following statements are true? a. The standard error of a regression, 6, is not an unbiased estimator for σ, the standard deviation of the error, u, in a multiple regression model. b. In time-series regressions, OLS estimators are always unbiased. c. Almost all economists agree that unbiasedness is a minimal requirement for an estimator in regression analysis. d. All estimators in a regression model that are consistent are also unbiased. ○ a. a O b. b О с. O d. d

ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Which of the following statements are true? a. The standard error of a regression, 6, is not an unbiased estimator for σ, the standard deviation of the error, u, in a multiple regression model. b. In time-series regressions, OLS estimators are always unbiased. c. Almost all economists agree that unbiasedness is a minimal requirement for an estimator in regression analysis. d. All estimators in a regression model that are consistent are also unbiased. ○ a. a O b. b О с. O d. d
Transcribed Image Text:Which of the following statements are true? a. The standard error of a regression, 6, is not an unbiased estimator for σ, the standard deviation of the error, u, in a multiple regression model. b. In time-series regressions, OLS estimators are always unbiased. c. Almost all economists agree that unbiasedness is a minimal requirement for an estimator in regression analysis. d. All estimators in a regression model that are consistent are also unbiased. ○ a. a O b. b О с. O d. d
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