Calculate the sample mean-variance-skewness , Econometrics

Assignment Help:

The tab-delimited text file contains daily stock prices for the Brazilian petroleum company Petrobras from 31 December 2008 to 31 December 2009. The data were obtained from yahoo finance.

a) Calculate the continuously compounded annual return for the Petrobras stock for 2009. Calculate the simple annual return for 2009.

b) Open the data in Eviews and generate the series of daily log returns.

Calculate the sample mean, variance, skewness and kurtosis of the daily log returns. Comment on the results.

c) Explain the Jarque-Bera (J-B) test. Using this test, what conclusion can you make about the distribution of daily log returns? Is this result to be expected?

d) Explain the Ljung-Box Q*-test. Use the Ljung-Box Q* statistic to test the null hypothesis that there is no serial correlation in the daily log returns.

e) Square the daily log returns and then apply the Ljung-Box Q*-test to the squared daily log returns. Can you reject the null hypothesis of no serial correlation in squared daily log returns? Is this result to be expected?

 


Related Discussions:- Calculate the sample mean-variance-skewness

The Role of Labor, Which of the following is an example of derived demand?

Which of the following is an example of derived demand?

Concept of limit pricing theory, what meaning of limit pricing theory and i...

what meaning of limit pricing theory and its importance in industrial economics?

Factors of production, how can the factors of production be occupationally ...

how can the factors of production be occupationally mobile

Primal and dual lp problems, As in the model solved initially, the followin...

As in the model solved initially, the following is the LP model Maximize Z = $42.13*(x 11 + x 12 + x 13 + x 14 ) + $38.47*(x 21 + x 22 + x 23 + x 24 ) + $27.87*(x 31 + x

Standard deviation of the damage, In a year, weather can impose storm damag...

In a year, weather can impose storm damage to a home. From year to year the damage is random. Let Y be the dollar value of damage in a given year. Assume that 95% of the year's Y=$

Procurement, You are a logistics consultant for a rapidly growing online re...

You are a logistics consultant for a rapidly growing online retail company. They plan to expand their operations to a new geographical region.Task: Develop a comprehensive logistic

Monopoly, suppose only one professor teaches economics at your university, ...

suppose only one professor teaches economics at your university, would you say that this prof is a monopolist who can exact any price from students in the form of readings assigned

Indifference curves, Assume that the allowance Peter receives from parents ...

Assume that the allowance Peter receives from parents is his only income.  He used to spend $30 a month to buy Coke at $.60 per can.  Coke is an inferior good for Peter.  Further a

Production, Factor that affect the volume of production

Factor that affect the volume of production

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