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

Microeconomics, An economy has only one member Robinson Crusoe. Robinson al...

An economy has only one member Robinson Crusoe. Robinson allocates his time between fishing and collecting fruits. One hour spent finishing yields 4 fish. One hour spent collecting

Marginal rate of technical substitution and productivity, MRTS and Marginal...

MRTS and Marginal Productivity The change in output from change in labor equals:                     The change in output from change in capital equals

Calculate price and average total cost atc, 1. Through graphs describe the ...

1. Through graphs describe the relationship between the price, P , and the average total cost, ATC , for a firm in perfect competition when it earns an economic profit; earns a n

Concept of cost, explain the relationship between ATC,AVC and MC by using d...

explain the relationship between ATC,AVC and MC by using diagram

Low levels of productivity, Low levels of productivity: In addition t...

Low levels of productivity: In addition to low standards of living, developing countries are characterized by relatively low levels of labour productivity. Throughout the dev

Determine the economic order quantity, Question: Describe the meaning o...

Question: Describe the meaning of ABC inventory control and on what key premise is this system based? The finance department of Electric Corporation gathered the following i

What is expenditure function, What is Expenditure Function? The Expendi...

What is Expenditure Function? The Expenditure Function: When preferences satisfy the local nonsatiation assumption, in that case v(p, m) will be strictly increasing into m.

Determinants of the income elasticity , Determinants of the Income Elastici...

Determinants of the Income Elasticity of the Demand: The determinants of income elasticity of demand are given below: The Degree of necessity of the commodity.

Determine the post war rental rate, Consider two hypothetical nations, Solo...

Consider two hypothetical nations, Solowia and Growia, which are defeated in wars. These two nations were suffered from wars differently; the damage is on capital stock in Solowia,

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