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What Do We Get from Two-Way Fixed Effects Regressions? Implications from Numerical Equivalence
In any multiperiod panel, a two-way fixed effects (TWFE) regression is numerically equivalent to a first-difference (FD) regression that pools all possible between-period gaps.
Confidence-Aware Learning Assistant
(2) With the help of 20 participants, we observed that correct answer rates of questions were increased by 14% and 17% by giving feedback about correct answers without confidence and incorrect answers with confidence, respectively.
Empirical Decomposition of the IV-OLS Gap with Heterogeneous and Nonlinear Effects
This study proposes an econometric framework to interpret and empirically decompose the difference between IV and OLS estimates given by a linear regression model when the true causal effects of the treatment are nonlinear in treatment levels and heterogeneous across covariates.
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