Question 1

The percentage of variation in the dependent Y variable explained by all independent X variables as a group, after controlling for sample size and the number of estimated coefficients, is given by:

Accepted Answer

A)  R2.
B)  corrected R2.
C)  SEE.
D)  RegressionE) None of the above
F) All of the above

Question 2

A measure of the statistical significance of individual coefficient estimates is the:

Accepted Answer

A)  coefficient of determination.
B)  t statistic.
C)  corrected coefficient of determination.
D)  F statistic.E) All of the above
F) A) and B)

Question 3

A simple regression model necessarily involves:

Accepted Answer

A)  one variable.
B)  more than one X variable.
C)  more than one Y variable.
D)  none of these.E) A) and C)
F) None of the above

Question 4

A multiplicative model implies:

Accepted Answer

A)  a constant effect of X on Y.
B)  changing elasticity.
C)  a log-linear relation.
D)  a constant effect of Y on X.E) B) and C)
F) B) and D)

Question 5

In a linear demand model, the income elasticity of demand can be influenced by:

Accepted Answer

A)  income.
B)  interest rates.
C)  price of other goods.
D)  all of these.E) A) and C)
F) None of the above

Question 6

Tests of the b < 0 hypothesis are:

Accepted Answer

A)  tests for the share of dependent variable variation explained by the regression model.
B)  one-tail F tests.
C)  two-tail t tests.
D)  tests of direction or comparative magnitude.E) C) and D)
F) A) and B) D

Question 7

In a simple regression model, the correlation coefficient:

Accepted Answer

A)  shows the effect of X on Y.
B)  shows the effect of Y on X.
C)  is greater than one.
D)  is the square root of the coefficient of determination.E) A) and B)
F) None of the above

Question 8

Endogenous determinants of demand include:

Accepted Answer

A)  competitor prices.
B)  the weather.
C)  interest rates.
D)  price.E) None of the above
F) A) and C) D

Question 9

Holding all else equal, the corrected coefficient of determination rises with:

Accepted Answer

A)  an increase in the number of estimated coefficients.
B)  a decrease in sample size.
C)  an increase in R2.
D)  an increase in the standard error of the estimate.E) A) and C)
F) C) and D)

Question 10

An uncertain relation that is true on average is a:

Accepted Answer

A)  statistical relation.
B)  deterministic relation.
C)  cross-section relation.
D)  time-series relation.E) A) and D)
F) None of the above A

Exam 5: Demand Estimation

The percentage of variation in the dependent Y variable explained by all independent X variables as a group, after controlling for sample size and the number of estimated coefficients, is given by:

Correct Answer
verified

A measure of the statistical significance of individual coefficient estimates is the:

Correct Answer
verified

A simple regression model necessarily involves:

Correct Answer
verified

A multiplicative model implies:

Correct Answer
verified

In a linear demand model, the income elasticity of demand can be influenced by:

Correct Answer
verified

Tests of the b < 0 hypothesis are:

Correct Answer
verified
D

In a simple regression model, the correlation coefficient:

Correct Answer
verified

Endogenous determinants of demand include:

Correct Answer
verified
D

Holding all else equal, the corrected coefficient of determination rises with:

Correct Answer
verified

An uncertain relation that is true on average is a:

Correct Answer
verified
A

Exam 5: Demand Estimation

The percentage of variation in the dependent Y variable explained by all independent X variables as a group, after controlling for sample size and the number of estimated coefficients, is given by:

Correct AnswerverifiedShow Answer

A measure of the statistical significance of individual coefficient estimates is the:

Correct AnswerverifiedShow Answer

A simple regression model necessarily involves:

Correct AnswerverifiedShow Answer

A multiplicative model implies:

Correct AnswerverifiedShow Answer

In a linear demand model, the income elasticity of demand can be influenced by:

Correct AnswerverifiedShow Answer

Tests of the b < 0 hypothesis are:

Correct AnswerverifiedD

In a simple regression model, the correlation coefficient:

Correct AnswerverifiedShow Answer

Endogenous determinants of demand include:

Correct AnswerverifiedD

Holding all else equal, the corrected coefficient of determination rises with:

Correct AnswerverifiedShow Answer

An uncertain relation that is true on average is a:

Correct AnswerverifiedA

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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D

Correct Answer
verified

Correct Answer
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D

Correct Answer
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Correct Answer
verified
A