Stochastic Vortexes and Permanent Disability

Inês Jorge da Silva Sequeira; João Tiago Praça Nunes Mexia

Stochastic Vortexes and Permanent Disability

Inês Jorge da Silva Sequeira, João Tiago Praça Nunes Mexia

Research output: Contribution to journal › Article

Abstract

Stochastic vortexes offer useful models in great variety of situations in which populations are open with entrances and departures. The population covered by Social Security is such a population. The cases where workers receive a disability pension are the basis of this study. Using a Spanish data set, we developed a model to estimate the long run distribution for the number of permanent invalid in the various ages, which is used to calculate a lower bound for Social Security responsibility, per capita.

Original language	English
Pages (from-to)	1-6
Number of pages	6
Journal	Boletim do Instituto dos Actuários Portugueses
Volume	43
Publication status	Published - 1 Jan 2004

Keywords

Stochastic Vortexes
Long Run Distribution

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title = "Stochastic Vortexes and Permanent Disability",

abstract = "Stochastic vortexes offer useful models in great variety of situations in which populations are open with entrances and departures. The population covered by Social Security is such a population. The cases where workers receive a disability pension are the basis of this study. Using a Spanish data set, we developed a model to estimate the long run distribution for the number of permanent invalid in the various ages, which is used to calculate a lower bound for Social Security responsibility, per capita.",

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AU - Mexia, João Tiago Praça Nunes

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AB - Stochastic vortexes offer useful models in great variety of situations in which populations are open with entrances and departures. The population covered by Social Security is such a population. The cases where workers receive a disability pension are the basis of this study. Using a Spanish data set, we developed a model to estimate the long run distribution for the number of permanent invalid in the various ages, which is used to calculate a lower bound for Social Security responsibility, per capita.

KW - Stochastic Vortexes

KW - Long Run Distribution

M3 - Article

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JO - Boletim do Instituto dos Actuários Portugueses

JF - Boletim do Instituto dos Actuários Portugueses

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