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Все вопросы
- What is the key assumption in the fixed effects model for panel data? #1931
- What is the primary advantage of the random effects model in panel data analysis? #1932
- What is the Difference-in-Differences (DiD) method used for? #1933
- In the DiD method, what is the "treatment" group? #1934
- What is the parallel trends assumption in the DiD method? #1935
- What is the main limitation of the DiD method? #1936
- What is a key assumption of the classical linear regression model? #1937
- How does the DiD method help control for selection bias? #1938
- What is a key characteristic of nonparametric methods? #1939
- In nonparametric statistics, what is the Mann-Whitney U test used for? #1940