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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?
Suppose the total demand for wheat and the total supply of wheat per month in a market are as follows: a. What will be the market or equilibrium price? What is the equilibrium q
Q. Define Contribution Pensions? Defined Contribution Pensions: A pension plan which makes no specified promise about level of pension paid out after retirement. In its place,
discuss how economic theory explains the optimum pattern of consumption of an individual consumer
Assume that the market for lamb is perfectly competitive. Using an appropriate model (or models) illustrate and explain a. How a competitive market arrives at equilibrium
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what are the criticisms of modern theory of rent?
Secondhand smoke globally kills more than 600,000 people each year, accounting for 1 percent of all deaths worldwide, according to a new study. . . . Researchers estimated th
quasi rent theory
boumal''s single product modelwith out advertisment
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