@techreport{46c0cbc0b20c4102b857e2e8c181d1bf,

title = "A Simple Approximation to the Convolution of Gamma Distributions (Replaced by DP 2007-70)",

abstract = "The exact expression for the convolution of gamma distributions with different scale parameters is quite complicated.The approximation by means of another gamma distribution is shown to be remarkably accurate for wide ranges of the parameter values, in particular if more than two variables are involved.",

keywords = "approximating distributions, convolution, gamma distribution",

author = "T. Stewart and L.W.G. Strijbosch and J.J.A. Moors and {van Batenburg}, P.",

note = "Pagination: 21",

year = "2006",

language = "English",

volume = "2006-27",

series = "CentER Discussion Paper",

publisher = "Operations research",

type = "WorkingPaper",

institution = "Operations research",

}