Limit distributions for the ratio of the random sum of squares to the square of the random sum with applications to risk measures
Author(s) -
Sophie A. Ladoucette,
Jef Teugels
Publication year - 2006
Publication title -
publications de l institut mathematique
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.246
H-Index - 17
eISSN - 1820-7405
pISSN - 0350-1302
DOI - 10.2298/pim0694219l
Subject(s) - mathematics , independent and identically distributed random variables , combinatorics , limit (mathematics) , random variable , type (biology) , sequence (biology) , statistics , square (algebra) , distribution (mathematics) , discrete mathematics , mathematical analysis , geometry , ecology , genetics , biology
Let {X1,X2,...} be a sequence of independent and identically distributed positive random variables of Pareto-type and let {N (t); t 0} be a counting process independent of the Xi's. For any fixed t 0, define:
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