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

Effect of an increase in uncertainty on dollar exchange rate, As stock mark...

As stock markets have crashed, and uncertainty has increased, consumers move their money to the safest currencies and countries in the world.  Predict the effects of an increase in

Calculates suspicion of government , Implicit in these analyses is the fact...

Implicit in these analyses is the fact that without government we could have neither shortage nor surplus.  In large calculates, the suspicion of government is due to it has the po

Mixed strategies, Find the best response functions and the mixed strategies...

Find the best response functions and the mixed strategies Nash Equilibrium if each player randomizes over his actions.

Economic system, explain the fundamental task of economic system usin tomat...

explain the fundamental task of economic system usin tomatoes as an example

Labour supply, Discuss how the opportunity cost principle influence a suppl...

Discuss how the opportunity cost principle influence a supplier''s decision to supply labour

Public administration-delivery mechanism, Public Administration: Accor...

Public Administration: According to L.D. White, "Public administration consists of all those operations having for their purpose the fulfillment or enforcement of public polic

Explain the duality between direct and indirect utility, Explain about the ...

Explain about the duality between direct and indirect utility. Duality between Direct and Indirect Utility: While seen how one can recover an indirect utility function by ob

Determine comchip optimal output, You are the CEO of Comchip, a firm that s...

You are the CEO of Comchip, a firm that sells specialized computers. Each of the firm's computers contain a unique chip that is produced at Comchip's west coast plant at a cost of

Price elasticity of demand and supply, Price Elasticity of Demand is explai...

Price Elasticity of Demand is explained below: Price elasticity of demand/require is the percentage change in the quantity demanded with respect to the percentage change in the

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