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Question 1:
a) Explain what is a VAR giving an example both in the form of an equation and matrix. Discuss its benefits and limitations.
b) How can we estimate a VAR involving equations having a contemporaneous feedback term?
c) Distinguish between variance decomposition and impulse response functions.
Question 2:
(a) What are the two types of non-stationarity that exist and show how one of them can be made stationary?
(b) How do we test for a unit root?
(c) What does it mean when two variables are cointegrated?
(d) Using the Engle-Granger approach show how parameters can be estimated in cointegrated systems.
Need to run MGARCH (system) in SAS or other software. Have data.
What is the expected value and variance of y = 3x+2 knowing that E(X) = 8 and var(X) = 4.
For a multiple regression with three explanatory variables the value of R 2 is 0.75. Indicate whether every of the following statements is true or false and give brief reasons fo
demand function(qd)=650-5p-p2 where p=10
a) Design a simple econometric project to identify the factors that affect the demand for a good or service of your preference. Estimate the significance of these factors using mu
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 f
how weather affect the change in supply?
Which of the following is an example of derived demand?
What is the rival principle of distribution? What are the impacts of ethics and morals on the rival principles of distribution?
The town of Dusty View, Saskatchewan has only two residents - Justin and Sarah - and has a water supply shortage in the summer. The municipal water utility charges a break even pri
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