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

Analysing the digital economy relative to e business, Problem: a) What ...

Problem: a) What factors would you consider when analysing the digital economy relative to e business? b) "The growing use of the internet by consumers and businesses has re

Define price elasticity of demand, What is the mathematical definition of p...

What is the mathematical definition of price elasticity of demand The price elasticity of demand is the percentage alters in quantity demanded divided by the percentage change

Economics of scale, give a detailed discussion on the term economics of sca...

give a detailed discussion on the term economics of scale as applied to economics, highting examples,limitation,and original of economics of scale.

Ppc linegraph of trade in production between pawpaws and campsites., could ...

could the village prepare 14 campsites and grow 350 pawpaws?explain your answer.

Demand, Lynne’s income is $2, 000 and she is risk averse. The probability o...

Lynne’s income is $2, 000 and she is risk averse. The probability of someone slipping on her stairs is 1 8 . If this happens, she will be sued for $1, 000 and will have to pay that

How do you define a control in economics, A control in economics means a st...

A control in economics means a steady profit rate that is enhancing. Thus, after one year you could have £1mill profit then the next year £3mill profit etc.

Determine the oldest ideas in economics, Determine the oldest ideas in econ...

Determine the oldest ideas in economics One of the oldest ideas in economics is that increases in technology certainly run into natural resource scarcity and so lead to increas

With calc, In this part, use the results for market demand for short-run an...

In this part, use the results for market demand for short-run and long run market supply of good x1 obtained in parts one and two. When a change (e.g. income or taxes) is introduce

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