Stochastic comparisons of Poisson and binomial random variables with their mixtures

Neeraj Misra, Harshinder Singh and E. James Harner

Statistics & Probability Letters, 2003, vol. 65, issue 4, 279-290

Abstract: Motivated by an ecological sampling problem, we compare a Poisson distribution having a fixed mean with a Poisson distribution having a random mean, which has an arbitrary continuous (or discrete) probability distribution. These comparisons are made with respect to the likelihood ratio ordering, simple stochastic ordering, uniform variability ordering and expectation ordering. As a particular case, the mixed Poisson and the Poisson distribution with a fixed mean are compared when both the distributions have the same mean. Similar comparisons are made between the mixed binomial and the binomial distribution having a fixed probability of success.

Keywords: Convex; ordering; Expectation; ordering; Likelihood; ratio; ordering; Mixed; binomial; distribution; Mixed; Poisson; distribution; Simple; stochastic; ordering; Uniformly; more; variable; ordering (search for similar items in EconPapers)
Date: 2003
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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