Coefficient of the explanatory variable, Microeconomics

Assignment Help:

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?


Related Discussions:- Coefficient of the explanatory variable

Government, A government official announces a new policy. The country wishe...

A government official announces a new policy. The country wishes to eliminate its trade deficit, but will strongly encourage financial investment from foreign firms. Explain why su

How change in the exchange rate affect the domestic economy, How might a ch...

How might a change in the exchange rate affect the domestic economy of the country? A change in the exchange rate - ceteris paribus - will alter relative prices between trading

Equilibrium price & quantity, Research has revealed the following informati...

Research has revealed the following information about the market for Thomas chocolates; the demand schedule can be represented by the equation Qd=850 @20 dollar. The supply schedul

Supply, what happen when a supply shift to the right on a graph

what happen when a supply shift to the right on a graph

Define credit, Q. Define Credit? Credit:Ability to purchase something w...

Q. Define Credit? Credit:Ability to purchase something without immediately paying for it - through a credit card or bank loan, a mortgage or any other forms of credit. Creation

Critique on earmarking, Critique on Earmarking Studying the working of...

Critique on Earmarking Studying the working of earmarking in many OECD (organisation of economic  cooperation and development) countries, Potter and Diamond (1999) pointed out

Calculates benefit cost ratio using current dollars, When there is a positi...

When there is a positive expected rate of inflation (i.e., an expected and sustained increase in the levels of all prices), the Benefit Cost Ratio of a proposed project will take o

Explain how normal profit and abnormal profit differ, Explain how normal pr...

Explain how normal profit and abnormal profit differ. Normal profit (breakeven) - which must contain commentary on the inclusion of opportunity costs. Abnormal profit should be

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd