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

Types of regional development financing arrangements, Types of Regional dev...

Types of Regional development financing arrangements: Regional development financing arrangements have been of three basic types.  The oldest and best-developed type is mul

Market income and socialism, Q. Market Income and Socialism? Market Inc...

Q. Market Income and Socialism? Market Income: A household's total pre-tax income obtained from its activities in formal economy, including salaries andwages, investment income

Calculating variance, Calculating Variance (σ) The standard deviat...

Calculating Variance (σ) The standard deviations of the 2 jobs are: The standard deviation is used when there are several outcomes instead of only two. * An Examp

Theory of consumer surplus, THEORY OF CONSUMER SURPLUS: We discuss the...

THEORY OF CONSUMER SURPLUS: We discuss the basic concept of consumer surplus and its derivation. A consumer normally pays less for a commodity than the maximum amount that she

True or false , The efficiency loss of a tax is the tax revenue collected b...

The efficiency loss of a tax is the tax revenue collected by government minus the value of the public goods financed through the tax. Why is this false?

Fiscal imbalance, Fiscal Imbalance: The persistent rise in resource ga...

Fiscal Imbalance: The persistent rise in resource gap has led to a growing volume of public debt. The central feature that emerges is a serious fiscal imbalance, arising from

Externalities, What are externalities? Give an example of positive and nega...

What are externalities? Give an example of positive and negative externality and explain why the market outcomes are inefficient in the presence of externalities

Theory of demand, THEORY OF DEMAND: The  consumer behaviour under indi...

THEORY OF DEMAND: The  consumer behaviour under indifferencecurve approach where it is assumed that the consumer possesses a utilityfunction. The next most important theory th

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