[Forum SIS] Avviso di seminario: Dupuy a DISMEQ (Dipartimento di Statististica e Metodi Quantitativi, Milano-Bicocca)

[Fulvia Pennoni]

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Dipartimento di Statistica e Metodi Quantitativi
Via Bicocca degli Arcimboldi, 8 - 20126 Milano
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“ANALYSIS OF MULTINOMIAL COUNTS WITH JOINT ZERO-INFLATION, WITH AN 
APPLICATION TO HEALTH ECONOMICS”

Jean-François Dupuy
Institut National des Sciences Appliquées (INSA)

Martedì  11 Ottobre ore 14.00  Ed. U7  IV piano (2° piano, 2062)
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Abstract:

Zero-inflated regression models for count data are often used in health 
economics to analyse demand for medical care. Indeed, excess of zeros 
often affects health-care utilization data. We present some recent 
advances on the topic. In particular, much of the recent econometric 
literature on the topic has focused on univariate health-care 
utilization measures, such as the number of doctor visits. However, 
health service utilization is usually measured by a number of different 
(but dependent) counts (e.g., numbers of visits to different health-care 
providers). In this case, zero-inflation may jointly affect several of 
the utilization measures. In this talk, we describe a new a 
zero-inflated regression model for multinomial counts with joint 
zero-inflation. Maximum likelihood estimators in this model are 
constructed and their properties are investigated, both theoretically 
and numerically. We apply the proposed model to an analysis of 
health-care utilization by a population of elderly patients in USA.
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Si allega la locandina.

Cordiali saluti

Fulvia Pennoni


-- 
Fulvia Pennoni
Department of Statistics and Quantitative Methods
University of Milano-Bicocca
http://www.statistica.unimib.it/utenti/pennoni/

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