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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?
detail of consumer surplus with examples
The Money Multiplier is explained below: If you see carefully, the money multiplier is nothing but an inverse of a reserve ratio. Therefore, we can write MM = 1/rr, where rr is
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
A trend line can be fitted through a series graphically. Old values of sales for different areas are plotted on a graph and a free hand curve is drawn passing through as many point
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What are the major differences between the equilibrium of profit maximiser and sales revenue maximiser?
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