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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?
A bank in a medium-sized midwestern city, Firm X, currently charges $1 per transaction at its ATMs. To determine whether to raise price, the bank managers experimented with a numbe
What is development economics? Traditional economics studies the allowance of scarce resources among alternative uses. Development economics seems at the economic, politica
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(a) Give an overview of the Concept of Land Economic (b) Provide a definition of Land/Economics (c) Discuss the origin of Land Economics (d) Modern and Traditional Land Ec
what to produce? how to produce? for whom to produce
ref article :http://www.economist.com/news/finance-and-economics/21587795-if-congress-fails-lift-limit-americas-debts-consequences-are a.assume that the debt ceiling crisis
Joe is the owner-operator of Joe’s Haircuts Unlimited. Last year he earned $100,000 in total revenues and paid $65,000 to his employees and suppliers. During the course
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