Econometrics test

Question 1. What are some of the main problems of econometric modeling?

Question 2. What is the name of the method that is most often used to estimate the parameters of a linear model in econometrics?

Question 3. What are the names of indicators that characterize the degree of dispersion of a random variable around its mean?

Question 4. What is the physical meaning of the coefficient of determination in the econometric linear model of the relationship between two variables, such as costs and income, price and demand, the number of employees and the unemployment rate, etc.?

Question 5. What does it mean and how is the elasticity function calculated in a linear econometric model?

Question 6. What do we mean by the properties of a linear model if we believe that errors are random variables?

Question 7. What are the limits of a random error with a probability of 0.95, if it has a Gaussian distribution with a parameter?

Question 8. At what values ​​of the Fisher statistic the null hypothesis is rejected, and what is the probability that we reject the correct hypothesis?

Question 9. Which of the three null hypotheses,, is simple, and which is complex ?.

Question 10. What is heteroscedasticity and autocorrelation of errors?