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

Americas Dependency on China, What will be the effects of americas dependen...

What will be the effects of americas dependency on china?

Demand and supply considerations of education, Normal 0 false ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Types of unemployment, Question 1: a) Describe the different types of u...

Question 1: a) Describe the different types of unemployment that exist. b) Critically examine how monetary policy will be used to deal with inflation. c) Critically deter

Microeconomics, When the price of candy bars increased from $.45 to $.55 th...

When the price of candy bars increased from $.45 to $.55 the quantity demanded changed from 21,000 per day to 19,000 per day. In this range the price elasticity of demand for cand

Statistics, please can you explainn what "down 0.1 percentage point on the ...

please can you explainn what "down 0.1 percentage point on the quarter means"?

Economics question im stuck with, The prevention of major swings in economi...

The prevention of major swings in economic activity can be handled most easily by the: A. Household sector B. business sector C. financial sector D. government sector why?

Assignment, Ask qu a.Fill in the column of marginal products. What pattern ...

Ask qu a.Fill in the column of marginal products. What pattern do you see? How might you explain it? b. A worker costs $30 per day and the ''Firm has fixed costs of $10. Use this

Define the post-communism policy, Policy: Post-Communism Demolition of ...

Policy: Post-Communism Demolition of the Berlin Wall and take-down of the Iron Curtain hasn't significantly improved the situation in what are optimistically and euphemisticall

Marginal revenue productivity theory, Question 1: i) Derive and explain...

Question 1: i) Derive and explain Harberger's (1954) welfare loss estimates of monopolizing a perfectly competitive firm. ii) What are the roles of advertising? Can it lead

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