physiology of the surgical diseases of these organs. The exhaustive and up-to-date bibliographies after each section show that the immense labour of reading the great amount of work produced since 1925 has been well done. In many instances papers published in the early part of 1938 are mentioned, bu
DEMAND FOR MEDICAL CARE BY THE ELDERLY: A FINITE MIXTURE APPROACH
✍ Scribed by PARTHA DEB; PRAVIN K. TRIVEDI
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 254 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0883-7252
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✦ Synopsis
In this article we develop a ®nite mixture negative binomial count model that accommodates unobserved heterogeneity in an intuitive and analytically tractable manner. This model, the standard negative binomial model, and its hurdle extension are estimated for six measures of medical care demand by the elderly using a sample from the 1987 National Medical Expenditure Survey. The ®nite mixture model is preferred overall by statistical model selection criteria. Two points of support adequately describe the distribution of the unobserved heterogeneity, suggesting two latent populations, the healthy' and the ill' whose ®tted distributions dier substantially from each other.
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