APPLYING BETA‐TYPE SIZE DISTRIBUTIONS TO HEALTHCARE COST REGRESSIONS

Andrew Jones, James Lomas and Nigel Rice

Journal of Applied Econometrics, 2014, vol. 29, issue 4, 649-670

Abstract: SUMMARY This paper extends the literature on modelling healthcare cost data by applying the generalised beta of the second kind (GB2) distribution to English hospital inpatient cost data. A quasi‐experimental design, estimating models on a sub‐population of the data and evaluating performance on another sub‐population, is used to compare this distribution with its nested and limiting cases. While for these data the beta of the second kind (B2) distribution and generalised gamma (GG) distribution outperform the GB2, our results illustrate that the GB2 can be used as a device for choosing among competing parametric distributions for healthcare cost data. Copyright © 2013 John Wiley & Sons, Ltd.

Date: 2014
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Working Paper: Applying Beta-type Size Distributions to Healthcare Cost Regressions (2011)
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