Econometrics Exam Cheat Sheet: Core Concepts & Formulas This guide synthesizes critical econometric principles, focusing on the Ordinary Least Squares (OLS)
This is the most common short-answer question on exams. econometrics exam cheat sheet
The error term has constant variance across all observations. BLUE Property Econometrics Exam Cheat Sheet: Core Concepts & Formulas
OLS minimizes the sum of squared residuals ($ \sum \hatu_i^2 $). econometrics exam cheat sheet
[ F = \frac(RSS_restricted - RSS_unrestricted) / qRSS_unrestricted / (n-k) \sim F_q, n-k ]
You cannot compare Logit vs Probit coefficients directly. Compare marginal effects at means.
Econometrics Exam Cheat Sheet: Core Concepts & Formulas This guide synthesizes critical econometric principles, focusing on the Ordinary Least Squares (OLS)
This is the most common short-answer question on exams.
The error term has constant variance across all observations. BLUE Property
OLS minimizes the sum of squared residuals ($ \sum \hatu_i^2 $).
[ F = \frac(RSS_restricted - RSS_unrestricted) / qRSS_unrestricted / (n-k) \sim F_q, n-k ]
You cannot compare Logit vs Probit coefficients directly. Compare marginal effects at means.
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