# Econometrics tests 30 questions

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1. non-identifiability of the system of econometric equations is associated with exceeding ...
2. When comparing the models of multiple linear regression with a different number of factors, do not use
3. to reflect the influence on the structure of the model of qualitative variables, if they are observable, apply ... .. variables
4. Two-step OLS is not applied if the equation is overidentified
5. The negative consequence of the application of the classical least squares in the case of heteroscedasticity is that the estimates of the coefficients of the model are not
6.white noise is
7. A substituted estimate of the desired parameter has the following property:
8. when evaluating the parameters of a system of simultaneous equations, it is inappropriate to apply .... Least square method
9. The standardized coefficient of the equation is used to test the economic significance of the factor
10.The Student´s test is applied to
11. It is untrue to state, with respect to the method of least squares (OLS) estimates of the linear regression model, that the least squares ....
12. It is useful to use the generalized least-squares method if the model error
13. Fisher´s test is used for verification ...
14. coefficient with the independence of the variable in the pairwise linear regression equation shows
15. The order condition for the structural equation to be identifiable is
16. As a result of the component analysis of the time series, a model can not be obtained ...
17. For the lack of autocorrelation of the residues, it is characteristic ... the constancy of the mathematical expectation of the residues
18. The zero hypothesis when checking the coefficient of the regression equation for statistical significance says that
19. As a result of the component analysis of the time series, no model can be obtained ...
20. Using the mean error of approximation,
21. The regression function is a mathematical expression ... between variables
22. The significance of the multiple linear regression equation is verified by ....
23. An effective evaluation is an estimate
Dispersion of which is minimal in some class of unbiased estimators
24. The negative nature of the relationship between the variables X and Y means that ...
25. The time series component, reflecting the influence of periodically acting factors, is
26. Time series component, reflecting the influence of constantly acting factors
27. An incorrect from the point of view of economic theory, the coefficient of the linear regression equation
28. To test the series for stationarity, a test is used ....
29. For a stationary process in the narrow sense, there can not be that ...
30. The roving condition for the identifiability of a structural equation is

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