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

Maximizing profit, verify Leibniz rule for differentiation under the integr...

verify Leibniz rule for differentiation under the integral sign for the following function 2x^2+3xy+3y^2

Explain the meaning of regression, Problem 1: a. Explain the meaning o...

Problem 1: a. Explain the meaning of regression and its usefulness. b. Distinguish between GARCH (1, 1) and asymmetric GARCH. c. Clearly explain the two tests used for

Question about service, do you write assignment or just help write assignme...

do you write assignment or just help write assignments

Game theory, Students in the red/black card game had to make individual dea...

Students in the red/black card game had to make individual deals. How would the situation change if they could bargain collectively?

Econometric techniques analyse daily prices, Choose a share from a market s...

Choose a share from a market such as LSE, NYSE, NASDAQ, etc. [Data sources could be Datastream, Google Finance or others]. Prepare a report which involves the following aspects:

Labor economics, Ask question #Minimum unions tie the hand of management an...

Ask question #Minimum unions tie the hand of management and inhibit efficient decision making100 words accepted#

Explain structural model and a recursive model, Problem: a) Using a fi...

Problem: a) Using a financial or economics theory, determine a simultaneous structural model and a recursive model, explaining each variable used in the models. b) Using

Economic development, what are factors contributing to the long run trend i...

what are factors contributing to the long run trend interms of trade of developing countries?

Time series, energy consumption and economic growth

energy consumption and economic growth

Dropout equation - unemployment variable, Consider the following equations ...

Consider the following equations designed to estimate  a school's test scores (Test) and the school's dropout rate (Drop). Test i = B 0 + B 1 *Parent Ed i + B 2 *school quali

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