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

Marginal social benefit, Consider the following information relating to the...

Consider the following information relating to the pulp market.   Demand     Supply   Output(tonnes/ da

Types of privatisation of the economy, Privatisation in the narrow sense ca...

Privatisation in the narrow sense can take several forms: a) Total Denationalisation: This implies complete transfer of ownership of apublic enterprise to private hands. Some

Illustrate the economic growth, Illustrate the Economic Growth Up until...

Illustrate the Economic Growth Up until 1800 growth rates of human populations were glacial. Population growth between 5000 B.C. and 1800 averaged less than one-tenth of a perc

Hybridization, What is Hybridization? Atomic orbitals can be combined, ...

What is Hybridization? Atomic orbitals can be combined, in a process called hybridization in chemistry , to describe the bonding in polyatomic molecules. Descriptions of the b

Cost, explain the traditional theory of cost with suitable diagrams.explain...

explain the traditional theory of cost with suitable diagrams.explain why LAC curve is not U shaped?

Elasticity, What are the uses of elasticity to the private sector

What are the uses of elasticity to the private sector

Econometric equation, This research will follow the methodology of economet...

This research will follow the methodology of econometrics; Chao, 2005; Castle & Shephard, 2009): 1. Specification of the model using a specific stochastic equation, together wit

Dialectic inquiry, Dialectic Inquir y It is a technique for gr...

Dialectic Inquir y It is a technique for group decision making in which members are forced to "debate" both sides of a matter. Dialectic inquiry forces consideration o

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

Excel Graphing/Writing Assignments for EC215-Princip, 1. Go to the website ...

1. Go to the website for MarginalRevolution. Find">http://www.marginalrevolution.com Find two posts that related to microeconomic topics that we are covering and write about on

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