15. Suppose you are hired by the MOH to study the determinants of child health. In addition to several factors which can be measured quantitatively each child falls in one income quintile from first quintile (Q1)—the poorest 20% of the household population to the fifth quintile (Q5)-the wealthiest 20%. How many dummy variables should be included in the regression equation for income? A. 7 B. 5 C. 6 D. 4
15. Suppose you are hired by the MOH to study the determinants of child health. In addition to several factors which can be measured quantitatively each child falls in one income quintile from first quintile (Q1)—the poorest 20% of the household population to the fifth quintile (Q5)-the wealthiest 20%. How many dummy variables should be included in the regression equation for income? A. 7 B. 5 C. 6 D. 4
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
Related questions
Question

Transcribed Image Text:15. Suppose you are hired by the MOH to study the determinants of child health. In addition
to several factors which can be measured quantitatively each child falls in one income
quintile from first quintile (Q1)—the poorest 20% of the household population to the
fifth quintile (Q5)—the wealthiest 20%. How many dummy variables should be included
in the regression equation for income?
A. 7
B. 5
C. 6
D. 4
16. In the following equation, GDP refers to gross domestic product, and FDI refers to
foreign direct investment. In(GDP) = 2.65 +0.222ln(BANKCREDIT) + 0.527FDI
Which of the following statements is then true?
A. If GDP increases by 1%, bank credit increases by 0.222%, the level of FDI remaining
constant.
B. If bank credit increases by 1%, GDP increases by 0.222%, the level of FDI remaining
constant.
C. If GDP increases by 1%, bank credit increases by log(0.222)%, the level of FDI
remaining constant.
D. If bank credit increases by 1%, GDP increases by log(0.222)%, the level of FDI
remaining constant.
17. The following model predicts annual savings of individuals on the basis of annual income
and bank account ownership.SAVINGS = Bo+ B₁BACCOUNT + B₂INCOME+u.
The variable 'BACCOUNT' takes a value of 1 if the person owns a bank account and 0 if
the person has no bank account. INCOME is income of the individual. The inclusion of
another binary variable in this model that takes a value of 1 if a person has no bank
account and 0 if the person has a bank account, will give rise to the problem of
A. omitted variable bias
B. autocorrelation
C. perfect collinearity
D. heteroskedastcity
18. In a regression based on 30 annual observations, farm income was related to four
independent variables-grain exports, government subsidies, population, and a dummy
variable for bad weather years. The model was fitted by least squares, resulting
in a Durbin-Watson statistic(d) = 1.12. which decision and conclusion is correct?
A. Reject Ho at 5% significance level and conclude that the error terms has positive
autocorrelation
B. Do not reject Ho at 5% significance level and conclude that the error terms has
positive autocorrelation
C. Reject Ho at 5% significance level and conclude that the error terms has negative
autocorrelation
D. Do not reject Ho at 5% significance level and conclude that the error terms has
negative autocorrelation
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