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a) Explain what is calculated by a correlation coefficient.b) Why do economists commonly find regression a more useful tool than correlation?c) In a sample of 102 men the correlation among age and monthly donations to charity is found to be 0.2.Test whether this correlation is significantly among from zero and comment on your result.
Using a sample of 545 full-time workers, a researcher is interested in the question whether women are systematically underpaid compared to men. First, the researcher estimates aver
Question 1: a) Explain what is a VAR giving an example both in the form of an equation and matrix. Discuss its benefits and limitations. b) How can we estimate a VAR invol
The following multiple regression results are part of a study of the demand for chicken in the USA. Q Calculates the quantity of chicken purchased per annum. PC and PB are the pric
David has £5000 that he wishes to save for six years. Bank A offers him an interest rate of 4% per annum compounded monthly. Bank B offers him an interest ra
(b) Suppose that the initial conditions are as follows: y0 = 0 and et = 0 for t= 0. Impose the initial conditions in order to find the general solution.
In a study relating college grade point average to time spent in various activities, students are asked how many hours they spend each week in four activities: studying, sleeping,
#qu3. People educational achievement is affected, among other factors, by the demographic characteristics of their households; the following multiple regression model was estimated
How will government regulation impact decision making
Peter's utility function is u(x, y) = x + 2y where x is the number of ounces of coffee and y is the quantity of sugar in grams. Let unit prices be given by P x = 6 cents, P
if there is no autocorrelation what will be done
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