Abstract

Let F be a distribution function (d.f.) on $(0, \infty )$ and let~U be the renewal function associated with F. If F has a finite first moment~$\mu$, then it is well known that $U(t)$ asymptotically equals $t/\mu$. It is also well known that $U(t)-t/\mu $ asymptotically behaves as $S(t)/\mu, $ where~S denotes the integral of the integrated tail distribution~$F_1$ of~F. In this paper we discuss the rate of convergence of $U(t)-t/\mu -S(t)/\mu $ for a large class of distribution functions. The estimate improves earlier results of Geluk, Teugels, and Embrechts and Omey.

Keywords

  1. renewal function
  2. subexponential distributions
  3. regular variation
  4. O-regular variation

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References

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Published In

cover image Theory of Probability & Its Applications
Theory of Probability & Its Applications
Pages: 127 - 132
ISSN (online): 1095-7219

History

Published online: 25 July 2006

Keywords

  1. renewal function
  2. subexponential distributions
  3. regular variation
  4. O-regular variation

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