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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?
hi i need price,cross and income elasticity of toyota corolla car. its only small part of the assignment topic so its need around 500 words. thanks ishwor
Negative profit FC + VC > R(q) MR > MC Indicates higher profit at the higher output - Question: Why is profit negative when the output is zero? - Outp
advantages and disadvantages
Dolph, Jimbo, and Kearney are the only individuals participating in the very particular labor market for ‘protective’ services. Dolph''s labor supply is given by ????????=-46+0.874
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significance of income elasticity coefficient
contrast the longrun equilibrium positions of monopolistic competition firm and oligopoly
1) Lynne's income is £2, 000 and she is risk averse. The probability of someone slipping on her stairs is 1/8. If this happens, she will be sued for £1, 000 and will have to pay th
Why does a price index based on constant weights tend to overstate inflation in periods after the base year when the price of one good is rising quickly compared to other goods?
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