Stability of the characterization of normal distribution in the Laha-Lukacs theorem

Romanas Yanushkevichius

Statistics & Probability Letters, 2000, vol. 49, issue 3, 225-233

Abstract: If X1 and X2 are independent and identically distributed (i.i.d.) random variables with finite variance, then has the same distribution as X1 if and only if X1 is normal with mean zero (Polya, 1923, Math. Zeitschrift 18, 96-108). About ten authors devoted their works to stability problems of this characterization. The idea of using linear combinations of i.i.d. random variables to characterize the normal distribution has been extended by Laha and Lukacs (1965) to the case where has the same distribution as X1. We investigate the stability of this characterization.

Keywords: Characterization; theorem; Stability; of; characterization; Stability; estimation; Probabilistic; metrics; Weak; metrics; Ideal; metrics (search for similar items in EconPapers)
Date: 2000
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