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In: Economics

1.why we need to add disturbance term in econometric model? 2 what is four criteria for...

1.why we need to add disturbance term in econometric model?
2 what is four criteria for including a explanatory variable in the model?
3How is DW statistic defined? What is its range?
4 Prove random walk process Yt = Yt−1 +εt is not stationary.
5 How to use VIF methods to detect multicollinearity.?
6 what is the content the Gauss-Markov theorem (including assumptions and conclusion)?
7 How to choose Instrument variable

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Rahul Sunny answered 2 years ago
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