5 jobs in econometrics, option 3

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Uploaded: 07.07.2013
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1. What methods of eliminating multicollinearity factors 3
2. How to interpret the regression coefficients of the linear model of consumption? 4
3. How is the structural model of supply and demand? 5

The task.
Keynes model (a simplified version).
- The consumption function;
- The function of investment;
- The identity of income
where C - consumption; Y - GDP; I - gross investment; G - government spending; t - current period; t-1 - the previous period.
Task:
- By applying the necessary and sufficient condition for identification, determine whether the identified each of the equations;
- Define the method for estimating model parameters;
- Record the shape of the model.

The task.
Simulation company profits by equation y = abx produced the results shown below.
№ p / n profit firms y, mln. Rub.
the actual design
1 November 10
2 December 11
17, March 15
15 April 17
20 May 18
6 November 11
13 July 14
19 August 16
Task:
- Determine the average approximation error;
- To find a measure of closeness relationship to study in a model factor. Draw conclusions.

List of sources used 10

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