Patterns of Non-exponential Growth of Macroeconomic Models: Two-parameter Poisson-Dirichlet Models

Masanao Aoki

No CIRJE-F-449, CIRJE F-Series from CIRJE, Faculty of Economics, University of Tokyo

Abstract: This paper discusses non-exponential growth patterns of macroeconomic models. More specifically, the paper discusses asymptotic growth patterns of the numbers of clusters and of components of partition vectors, that is, the number of clusters of specific sizes, of one-andtwo-parameter Poisson-Dirichlet models as the model sizes grow towards infinity. As the model sizes become large, the coefficients of variaation of the cluster sizes and components of the partition vector tend to zero in one-parameter Poisson-Dirichlet model, but they remain positive in the two-parameter version. Furthermore, the two-parameter version of the model exhibits power-law behavior, while the one-parameter versiondoes not. The growth behavior of the two-parameter models is shown to be expressed in terms of generalized Mittag-Leffler distributions. The paper ends with preliminary discussion of the effects of demand pattern management policies on growth patterns of models that endogenize the parameters of the two-parameter Poisson-Dirichlet model.

Pages: 15pages
Date: 2006-11
New Economics Papers: this item is included in nep-mac
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Persistent link: https://EconPapers.repec.org/RePEc:tky:fseres:2006cf449

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