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| Bajezov Hausmanov test× | Model fiksnih efekata× | |
|---|---|---|
| Oblast | Ekonometrija | Ekonometrija |
| Porodica | Regression model | Regression model |
| Godina nastanka≠ | 1978 (classical); Bayesian adaptations 1990s–2000s | 1971–1978 |
| Tvorac≠ | Bayesian reformulation of Hausman (1978); developed across Bayesian econometrics literature | Mundlak (1978); Nerlove (1971); classical panel econometrics |
| Tip≠ | Specification test / model comparison | Panel regression estimator |
| Temeljni izvor≠ | Hausman, J. A. (1978). Specification tests in econometrics. Econometrica, 46(6), 1251–1271. DOI ↗ | Baltagi, B. H. (2021). Econometric Analysis of Panel Data (6th ed.). Springer. ISBN: 978-3030538002 |
| Drugi nazivi | Bayesian specification test, Bayesian endogeneity test, Bayesian FE vs RE test, Bayesian Durbin-Wu-Hausman | FE model, within estimator, least squares dummy variable, LSDV regression |
| Srodne | 5 | 5 |
| Sažetak≠ | The Bayesian Hausman test is a Bayesian reformulation of Hausman's (1978) classical specification test, used to assess endogeneity or to choose between fixed effects and random effects panel models. Instead of a chi-squared test statistic, it uses posterior model probabilities or Bayes factors to compare competing specifications, fully incorporating prior uncertainty about model parameters. | The fixed effects (FE) model is the workhorse estimator for panel data when unobserved unit-specific characteristics are suspected to correlate with the regressors. By absorbing each entity's time-invariant heterogeneity into a separate intercept, FE isolates the causal effect of within-unit variation and eliminates omitted-variable bias from time-constant confounders. |
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