Published “A Simple, Positive Semi-Definite, Heteroskedasticity and Autocorrelation Consistent Covariance Matrix” in Econometrica — cited 15,274 times.
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Published “A Simple, Positive Semi-Definite, Heteroskedasticity and Autocorrelation Consistent Covariance Matrix” in Econometrica — cited 15,274 times.
Captured 2026-08-18 from Crossref. The archived copy is preserved so this citation survives link rot.