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

Market Structures, Using the key distinguishing features of any market stru...

Using the key distinguishing features of any market structure describe the market structure for the South African mobile telecommunications industry

Introduction, What is micro static analysis?

What is micro static analysis?

What is derived demand, The demand for every productive resources is a deri...

The demand for every productive resources is a derived demand.  By derived demand it is meant that it is the output of the resource and not the resource itself for which is a deman

Calculate price elasticity of demand, 1. Consider the consumption decisions...

1. Consider the consumption decisions of R.B. Turbo, a new student at Teachers College, Columbia University. Ms. Turbo has only available $1,000 in monthly income to spend on food

What is economics, What is Economics?  Economics is explained as the s...

What is Economics?  Economics is explained as the study of how people choose to use their scarce resources in an attempt to satisfy their unlimited wants. In other words, we h

Wages, What is the difference between wages and salaries

What is the difference between wages and salaries

Lambs lay a golden egg, Assume that the market for lamb is perfectly compet...

Assume that the market for lamb is perfectly competitive. Using an appropriate model (or models) illustrate and explain a. How a competitive market arrives at equilibrium

Productivity side of indian industries, Is indian companies running arisk b...

Is indian companies running arisk by not giving attention to cost cutting

Nomal, what monopoly market .

what monopoly market .

Theory of Consumption, llustrate and explain the changing demand gor big Ma...

llustrate and explain the changing demand gor big Mac using the indifference curves and budget line

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