Nagakura, Daisuke - In: Economics Bulletin 3 (2008) 5, pp. 1-7
Information matrix (IM) test (White, 1982) has been used for detecting general model misspecification in the applied econometrics literature. Two of the most commonly used asymptotic covariance matrix estimators (ACMEs) for the IM test are the one that White (1982) proposed in his original paper...