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## Economics

 Basic Economics Macroeconomics Microeconomics Business Economics Econometrics International Economics Managerial Economics Game Theory Public Economics

Answer all the given problems. Section A to be answered in around 500 words each and Section B to be answered in around 300 words.

Part A:

problem1: What is meant by the term autocorrelation? What are its major consequences? How do you detect it?

Describe one of the techniques for eliminating the problem of autocorrelation.

problem 2:

a) Differentiate between structural form and reduced form of a simultaneous equation system.
b) Describe the concept of identification in a simultaneous equation system.
c) Describe the ‘rank’ and ‘order’ conditions for identification of an equation in a simultaneous equation   system.

Part B:

problem 3: What is meant by the term heteroscedasticity? Describe one of the methods you would follow to eliminate the problem of heteroscedasticity.

problem 4: What is the requirement for using a dummy variable in a regression model? Differentiate between intercept dummy and slope dummy with an illustration. What is dummy variable trap?

problem 5: What are the various uses of Chow test? prepare down the steps you would follow in applying the Chow test.

problem 6: Prove that OLS estimators are best linear unbiased estimators (BLUE).

problem 7: prepare short notes on the given:

a) Simultaneity bias
b) Multi-collinearity problem

Econometrics, Economics

• Category:- Econometrics
• Reference No.:- M92082

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