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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.
Explain the difference among the usual (product moment) correlation and rank correlation. In what situations is it more appropriate to use rank correlation?
I am trying to apply weighted least squares but Im not getting a very good fit when I regress the residuals on the variables so I don''t think the weights will be very good
a. If 10,000 two-liter bottles of Pepsi are currently being demanded in your community each month, and the price increases from $1.90 to $2.10 per bottle, what will happen to quant
QM2 Econometric Project As part of the course requirements you have to undertake an econometric evaluation of an economic issue using data that you have gathered either from the ho
effect on of multicollinearity.
what is collinearity?
reasons of lags
i) Briefly distinguish between the Cournot duopoly model and that of Stackelberg. ii) Suppose the inverse market demand curve for a telecommunications equipment is P = 10
Need to run MGARCH (system) in SAS or other software. Have data.
Currently the stock of Backstreet Toys (BT) is selling for $20 per share and the risk free rate is5%. a) Draw a payoff diagram for each of the following 3 portfolios: i. Buy
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