Multicollinearity, Financial Management

Assignment Help:

 

Multicollinearity

As the degree of correlation between the independent variables increases, the regression coefficients become less reliable. That is, although the independent variables may together explain the dependent variable, but because of multicollinearity the coefficients of the explanatory variables may be rejected. It can happen that the model may be accepted (through ANOVA and the F test), but the individual coefficients may be rejected (through the t test). This is because the interplay among the independent variables reduces the influence of the individual variables in the model. In the extreme case, if two variables are identical, then the influence of each one in the model would be reduced. Multicollinearity does not reduce the accuracy of the model (the predictive powers), but it hurts any sensitivity analysis - if we increase one explanatory variable by one unit, what happens?

This is a subject in itself, but the reader should be aware of the importance of multicollinearity.

Multiple Correlation Coefficients

 

So far we have come across correlation coefficients between two variables X and Y. However in the case of a multiple regression equation like

                   Y = a + b1 X1 + b2 X2

we see that Y can be correlated to both X1 and X2. Hence we can have a coefficient of multiple correlation which will measure the correlation between Y and both X1 and X2.

 

 

 


Related Discussions:- Multicollinearity

Merits of wealth maximization approach, Q. Merits of Wealth Maximization Ap...

Q. Merits of Wealth Maximization Approach? Merits of Wealth Maximization Approach:- The wealth maximization schema is superior to the profit maximization approach because:

Financial services industry role, For this assessment, you will be required...

For this assessment, you will be required to select a role within the financial services industry that interests you. Undertake your own research to find out about the role you hav

Shareholders versus managers, Shareholders versus Managers A Limited Li...

Shareholders versus Managers A Limited Liability company is possessed by the shareholders though in most of the cases is managed by a board of directors selected by the shareho

What does high inflation have on the value of a business, What impact does ...

What impact does high inflation have on the value of a business? Besides causing distortion (as it unequally affects all goods and services), inflation enhances the uncertainty

Explain zero coupon bonds, Explain Zero coupon bonds The bonds that are...

Explain Zero coupon bonds The bonds that are sold at a discount from face value and do not pay any coupon interest over their life are known as Zero coupon bonds. At maturity t

What is a treasury bill? how risky is it?, What is a Treasury bill? How ris...

What is a Treasury bill? How risky is it? Treasury bills are the short-term debt instruments issued by the U.S. Treasury that are sell at a discounted and pay face value at mat

Define the first aspect of capital budgeting decision, Define the first asp...

Define the first aspect of capital budgeting decision The first aspect of capital budgeting decision relates to the choice of new asset out of the alternatives available or rea

Interpretations of long term solvency or liquidity ratio''s, Long Term Solv...

Long Term Solvency or Liquidity Ratio's   DE:          The Debt Equity ratio exhibits the relation that exists between debt and proprietor's fund and is considered a very im

International strategic management, undertake a critical review of the curr...

undertake a critical review of the current academic literature to determine the reasons for benefits of and the costs to companies of cross listing.

Show certificates of deposits, Q. Show Certificates of Deposits? Certif...

Q. Show Certificates of Deposits? Certificates of Deposits: Certificate of deposits is papers issued by banks acknowledging fixed deposits for a specified period of time. CPs i

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