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A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity

โœ Scribed by Halbert White


Book ID
120031039
Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
450 KB
Volume
48
Category
Article
ISSN
0012-9682

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A Heteroskedasticity-Consistent Covarian
โœ Halbert White ๐Ÿ“‚ Article ๐Ÿ“… 1980 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 450 KB

## BY HALBERT WHITE1 This paper presents a parameter covariance matrix estimator which is consistent even when the disturbances of a linear regression model are heteroskedastic. This estimator does not depend on a formal model of the structure of the heteroskedasticity. By comparing the elements of