Question

You are about to regress the historical monthly excess returns of Google (RGooge) on the three...

  1. You are about to regress the historical monthly excess returns of Google (RGooge) on the three Fama-French factors – Excess S&P 500 returns (Rme), SMB factor returns (SMB), and HML factor returns (HML). In other words, in each month t in your sample, you will run the following OLS regression:

    RGoog,,te = α + β1Rm,te + β2SMBt + β3HMLt + εt , where εt is an error term in month t.

    What are the expected signs (+ or -) of the regression parameters α, β1, β2, and β3? Briefly explain.

Homework Answers

Answer #1

Answer:-

a) See here our mutiple linear regression model is .

RGoog,,te = α + β1Rm,te + β2SMBt + β3HMLt + εt

Let RGoog,,te = x ,  Rm,te=x1 ,  SMBt = x2 ,  HMLt=x3 .

b) Then our equation can be written as  

In matrix form we can write we can write it as

x is matrix of

c) Estimated value of is

d) So for to decide the sign of , we have to solve equation (1 ) and finally we get the sign of these regression coefficient .

e) We cannot able to estimate or predict the sign of   , without solving equation (1) . For to solve equation (1) we need observation on each variable    without knowing these values no one can predict the sign of ,

Please like it , if you have any issue mention in comment

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