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

Isoquant, definition of abnormal isoquant and normal isoquant

definition of abnormal isoquant and normal isoquant

Production theory, why does gap between the ATC curve and the AVC curve dec...

why does gap between the ATC curve and the AVC curve decreases as the level of output increases

Managerial Economics, What does economic theory contribute to managerial ec...

What does economic theory contribute to managerial economics? Explain

Individual demand - substitutes and complements, Individual Demand Sub...

Individual Demand Substitutes and Complements 1) The two goods are considered substitutes if an increase (decrease) in price of one lead to an increase (decrease) in quant

Inverse demand function, Inverse Demand Function: If variable factor prices...

Inverse Demand Function: If variable factor prices changes, then the isocost line will tilt and consequently, the optimal factor requirement will be different. Suppose the wage rat

How might country achieve living standards growth, Once countries already h...

Once countries already have a high level of production, how might they achieve living standards growth?  Once countries achieve a high level of production, they might be achiev

Asian crisis, Asian Crisis: Between 1997-98, several of the East Asian tige...

Asian Crisis: Between 1997-98, several of the East Asian tiger economies suffered a severe economic and financial crisis. it had big consequences in the global financial markets, t

Why is the concept of scarcity relevant to both ldc and mdc, Why is the con...

Why is the concept of scarcity relevant to both LDC s and MDC s? All societies throughout time have wrestled with the basic economic conundrum of having needs that cannot be me

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