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

Understanding of micro/macro distinction and ppc, explain how microeconomic...

explain how microeconomic and macroeconomic issues may be represented using the production possibility curve

Incentive perverse, a) Explain the perverse incentive. b) What makes the...

a) Explain the perverse incentive. b) What makes the incentive perverse? c) How could the incentive makers better the incentive?

Supply, concept of supply

concept of supply

Purchasing power parity (ppp), Purchasing Power Parity (PPP): The exch...

Purchasing Power Parity (PPP): The exchange rate is determined by the relative purchasing power of currency withineach country.  For example, if a product X costs Rs. 100 in I

What is tradeable product, Q. What is Tradeable product? Tradeable:A pr...

Q. What is Tradeable product? Tradeable:A product (a service or good) is tradeable if its purchaser can purchase it far away from the place where it is produced. Most goods (ot

Gains from international trade, Gains from International Trade: It lea...

Gains from International Trade: It leads to increased total world production of goods and services. International trade based on comparative cost advantage allows countries to

Name the actors in the basic neoclassical model of economics, Name the two ...

Name the two actors in the basic neoclassical (or traditional microeconomic) model of economics, and identify the assumptions the model makes of these two actors. Firms and hou

Gross domestic product - deflator, Gross Domestic Product, Deflator: A pric...

Gross Domestic Product, Deflator: A price index that adjusts the overall value of GDP according to average increase in the prices of all output. GDP deflator equals the ratio of no

What is Oxidation Number, Definition of oxidation number... Oxidation numb...

Definition of oxidation number... Oxidation number is a charge of central atom appears to keep if all of the ligands are removed along with the electron pairs which are shared wit

Demand and supply, During the 1990s, technological advance reduced the cost...

During the 1990s, technological advance reduced the cost of computer chips. Explain, with the use of supply and demand diagrams, how the following markets are affected in terms of

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