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Problem:
(a) Why is an error term added to a regression and explain its importance in the OLS procedure?
(b) Suppose we have a linear equation with a constant term, one explanatory variable and an error term, show in details the steps required, using the OLS procedure, to derive the estimates of the constant term and that of the coefficient of the explanatory variable.
(c) Suppose a researcher wants to test whether the returns on a company stock (y) show unit sensitivity to two factors (factor x2 and factor x3) among three considered. The regression is carried out on 144 monthly observations. The regression is: Yt = β1 + β2x2t + β3x3t + β4x4t+ ut
i) What are the restricted and unrestricted regressions?
ii) If the two RSS are 502.4 and 302.8 respectively, perform an F-test of the restriction, showing all the required steps.
(d) How are the t-test and the F-test related and describe in which cases they cannot be applied?
evaluate each in term of strength and weakness relative to their applicability to asian economy situation or reality ,2. philippines economy situation or reality
True public goods are those goods which can't be provided to one group of consumers, without being provided to any other consumers who desire them. Thus they are "non-excludable."
The Case: In Pakistan, sugarcane, wheat, rice and cotton accounted for 90% of the value added in crops and 6% of GDP in the last fiscal year but the average yield of these crops is
Relatiön between TC ,TFC and TVC
please may you explain this concept
defination,characters,examples,graphs,share,effort
a more simple explanation of the group equilibrium in the short and long run
Unemployment: Individuals who want to be employed, and are actively seeking work, but can't find a job, are considered ‘officially' unemployed. Individuals who aren't working, but
Why is it unusual for yields on longer term notes to be lower than yields on shorter term notes? 2pts b) Why would any investor buy the 2 year note (instead of the 1 year) given it
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