Econometrics - synergy test (answers)
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Synergy Answers to Discipline - Econometrics
This collection contains 168 answers
Minimum rating from "Good"
1. The autocorrelation function is a function of ...
2. Additive model of the time series is called.
3. White noise is ...
4. The journal Econometrics, founded in 1933, defines econometrics as
5. in the model with a distributed log, the value of the median lag is calculated. Median lag
6. The non-economic variables are considered as
7. In general, the first stage of econometric research
8. In paired linear regression, the absolute indicator of the strength of the relationship between the variables is
9. In the production f-tion Cobb-Douglas coeff. elasticity should be
10. As a result of the component analysis of the time series, it is not possible to obtain ... a model
11. As a result of the component analysis of the time series, it is not possible to obtain ... a model
12. In the equation of multiple linear regression, the parameters with factorial variables
13. In the equation of multiple linear regression y = a + B1X1 + B2X2 + ....
14. In conditions of heteroscedasticity of residuals, to estimate the parameters of the econometric model, one should use ...
15. In econometrics, to account for heterogeneity in qualitative terms, the regressive model is introduced
16. In econometric models, the dependent variables are usually called
17. The highest level of measurement involves comparison with
18. Homoscedasticity means ...
19. Graph of dependence of autocorrelation f-tion on the size of the series of names.
20. Two-step least squares method
21. Two-step OLS does not apply if the equation ...
22. To identify seasonal fluctuations based on regression models with the inclusion of a factor of time dummies
23. For two-factor linear regression coeff. determinant 0,7 adjusted value 0,614 number of observations
24. To describe the trend of uniformly varying levels of the series, use ... a model
25. To reflect the influence on the structure of the model of qualitative variables, if they are observable, apply ... variables
26. The absence of autocorrelation of residuals is characterized by ...
27. To assess the significance of the regression coefficient and its calculation of confidence intervals, it is used
28. To test the significance of individual multiple regression coefficients, use ...
29. To check the series for stationarity, the test is used ...
30. The test is not used to test the econometric model for homoscedasticity ...
31. For the system of simultaneous equation, the matrix
32. For a stationary process in the narrow sense, it cannot be that ...
33. It is proved that if the premise of the least squares method (Hax-Markov conditions) is fulfilled, then the best estimates of the parameters of linear regression
34. The long-term multiplier in the regression model is calculated as the sum
35. Suppose that we have a time series, for 20 years the highest values of coeff. 3; 6; and of the 9th order, which means the oscillation period is
36. Suppose that for the same sample data two paired linear regression equations are constructed y = a + bx + e; x = c + dy + e which of the linear correlation coefficients is true?
37. Suppose that the demand for foreign cars in the Russian car market, depending on the price
38. If the absolute value of the linear correlation coefficient is close to zero, then ...
39. If in the dynamic model the factor is a one-time value
40. If in the equation pair-linear regression y = a + bx + e variables "x" and "y" are expressed in deviations from the mean, then
41. If the interconnected time series contains linear trends, then the original data replace
42. If the dependent variable "y" of one equation is the "x" th of the other, then the model in the form of a system
43. If the highest among the coeff. correlation turned out to be coeff. first order, then the series contains
44. If the system is overidentified apply
45. If the structural and reduced form of the model have the same number of coefficients
46. If the trends in the time series correspond to the exponential or power-law trend, the method of successive differences is applied not to the original equations, but to their
This collection contains 168 answers
Minimum rating from "Good"
1. The autocorrelation function is a function of ...
2. Additive model of the time series is called.
3. White noise is ...
4. The journal Econometrics, founded in 1933, defines econometrics as
5. in the model with a distributed log, the value of the median lag is calculated. Median lag
6. The non-economic variables are considered as
7. In general, the first stage of econometric research
8. In paired linear regression, the absolute indicator of the strength of the relationship between the variables is
9. In the production f-tion Cobb-Douglas coeff. elasticity should be
10. As a result of the component analysis of the time series, it is not possible to obtain ... a model
11. As a result of the component analysis of the time series, it is not possible to obtain ... a model
12. In the equation of multiple linear regression, the parameters with factorial variables
13. In the equation of multiple linear regression y = a + B1X1 + B2X2 + ....
14. In conditions of heteroscedasticity of residuals, to estimate the parameters of the econometric model, one should use ...
15. In econometrics, to account for heterogeneity in qualitative terms, the regressive model is introduced
16. In econometric models, the dependent variables are usually called
17. The highest level of measurement involves comparison with
18. Homoscedasticity means ...
19. Graph of dependence of autocorrelation f-tion on the size of the series of names.
20. Two-step least squares method
21. Two-step OLS does not apply if the equation ...
22. To identify seasonal fluctuations based on regression models with the inclusion of a factor of time dummies
23. For two-factor linear regression coeff. determinant 0,7 adjusted value 0,614 number of observations
24. To describe the trend of uniformly varying levels of the series, use ... a model
25. To reflect the influence on the structure of the model of qualitative variables, if they are observable, apply ... variables
26. The absence of autocorrelation of residuals is characterized by ...
27. To assess the significance of the regression coefficient and its calculation of confidence intervals, it is used
28. To test the significance of individual multiple regression coefficients, use ...
29. To check the series for stationarity, the test is used ...
30. The test is not used to test the econometric model for homoscedasticity ...
31. For the system of simultaneous equation, the matrix
32. For a stationary process in the narrow sense, it cannot be that ...
33. It is proved that if the premise of the least squares method (Hax-Markov conditions) is fulfilled, then the best estimates of the parameters of linear regression
34. The long-term multiplier in the regression model is calculated as the sum
35. Suppose that we have a time series, for 20 years the highest values of coeff. 3; 6; and of the 9th order, which means the oscillation period is
36. Suppose that for the same sample data two paired linear regression equations are constructed y = a + bx + e; x = c + dy + e which of the linear correlation coefficients is true?
37. Suppose that the demand for foreign cars in the Russian car market, depending on the price
38. If the absolute value of the linear correlation coefficient is close to zero, then ...
39. If in the dynamic model the factor is a one-time value
40. If in the equation pair-linear regression y = a + bx + e variables "x" and "y" are expressed in deviations from the mean, then
41. If the interconnected time series contains linear trends, then the original data replace
42. If the dependent variable "y" of one equation is the "x" th of the other, then the model in the form of a system
43. If the highest among the coeff. correlation turned out to be coeff. first order, then the series contains
44. If the system is overidentified apply
45. If the structural and reduced form of the model have the same number of coefficients
46. If the trends in the time series correspond to the exponential or power-law trend, the method of successive differences is applied not to the original equations, but to their
Additional Information
47. If the equation of multiple linear regression is constructed correctly, then the correlation index should be48. If the consumption function c = kx + L the regression coefficient is greater than one
49. The relationship between a variable of type y = f (x) is called the regression function (y) on (x)
50. Why is identity introduced?
51. The significance of the multiple linear regression equation is checked by ...
52. The introduction of economic barometers was a significant milestone;
53. Identification is provided by
54. The quality of exogenous variables is chosen which can be an object
55. Covariance is ...
56. The number of system equations is determined
57. number of structural variables incl. the regression equation should be
58. The number of Endogenous variables in the models of structural equations is equal to the number
59. The component of the time series, reflecting the influence of periodically acting factors, is ...
60. The component of the time series reflecting the influence of permanent factors is ...
61. The correlation between factors of a variable is considered explicit if these factors have
62. Correlation is ...
63. Indirect OLS applies if the equation ...
64. The presence of a trend in the levels of the series is checked using the test ...
65. The coefficient of determination characterizes the share of ...
66. The correlation coefficient is ...
67. Coefficient of the independent variable in the paired linear regression equation shows ....
68. Coefficients of the model with structural coefficients
69. The Durbin-Watson criterion is used for
70. The Durbin-Watson criterion is used to test the hypothesis about ...
71. Student's criterion applies to ...
72. Fisher's criterion is used to check ...
73. The linear model of simple and pairwise regression has the form y = a + Bx + e;
74. The linear model of supply and demand is characterized by two equations, exogenous and a variable in it
75. Any economic research starts with a model under the specification
76. Multiple regression involves the inclusion in the regression equation of two or more factors of variables, while the factors must
77. Models based on time series taking into account the point in time "t" related to the previous points in time "t-1" "t-2" called.
78. Multicollinearity appears between ...
79. Multicollinearity of factors is ...
80. On the main diagonal of the covariance matrix are ...
81. The presence of autocorrelation of residuals can be detected using statistics ...
82. The presence of a trend in the time series in whom the causal relationship is studied leads to
83. It is wrong to assert about the method of least squares (OLS) estimates
84. It is not true that time series models are ...
85. Wrong from the point of view of economic theory, the sign of the coefficient of the linear regression equation may indicate ...
86. A negative consequence of the application of the classical OLS in the case of heteroscedasticity is that the estimates of the coefficients of the model are not ...
87. The unidentifiability of the system of econometric equations is associated with the excess ...
88. The null hypothesis when checking the coefficient of the regression equation for statistical significance states that ...
89. The presence of multicollinearity is not evidenced by the fact that ... are close to unity
90. Generalized least squares method for estimating the parameters of multiple
91. The usual least squares method is not recommended to be applied to the system
92. One of the rules for checking the equation in the SDA
93. Description and study of the structure of connections between variable interconnection systems. signs of implementation. based
94. Determinant of the matrix, the correlation coefficient between factors is equal to zero, which means
95. The main task of the study of the time series
96. The main focus in econometrics is
97. The remainder in the i-th observation is the difference between the value ...
98. The negative nature of the relationship between variables X and Y means that ...
99. Evaluation of the significance of paired regression models in general is carried out using "f"
100. Estimation of the parameters of the reduced form is carried out ... least squares