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

Financing Corportation, You are the CFO for Carnival Corportaion and your b...

You are the CFO for Carnival Corportaion and your boss, the CEO informs you that he wants to add three new cruise ships to the company''s inventory. Each ship will cost $500 millio

Structure of the imf, Structure of the IMF: The Central office of the ...

Structure of the IMF: The Central office of the IMF is in Washington DC, USA. It has 184 members. It is affiliated to the UNO. The highest authority of the IMF is the Board of

What is the difference between concept and assumption, What is the differen...

What is the difference between 'concept' and 'assumption'?  These two terms are very dissimilar. The term 'concept' refers to an idea or abstract principle. For instances, forc

Elasticity of demand, Elasticity of Demand This is a measure of how re...

Elasticity of Demand This is a measure of how responsive the sales volume of goods is to changes in that product's price, equal to the marginal change in sales, divided by the

Human numbers grew as the population after 1800, Human numbers grew as the ...

Human numbers grew as the population after 1800 After 1800, human numbers grew as the population explosion took hold. It carried our entire population to 6 billion in October 1

Demand and supply, identify which curve (demand or supply) will be affected...

identify which curve (demand or supply) will be affected?

Differentiate between firm and industry, Differentiate between firm and ind...

Differentiate between firm and industry.   A firm is a business unit produced for the purpose of carrying out some kind of trading activity. The term "firm" is used in many ways

Types of unemployment, Types of unemployment: Frictional Unemployment...

Types of unemployment: Frictional Unemployment: -It refers to unemployment caused by changes in individual labour markets.This is the type of unemployment resulting from peop

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