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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

A estrutura a termo da taxa de juros e seu impacto no teste de adequa????o de passivo

Duarte, Antonio Aurelio 03 July 2013 (has links)
Made available in DSpace on 2015-12-03T18:35:25Z (GMT). No. of bitstreams: 1 Antonio_Aurelio_Duarte.pdf: 1924489 bytes, checksum: 2f7c6abea0e711e944507874b1de384b (MD5) Previous issue date: 2013-07-03 / With the publication of IFRS 4, it was established that the Insurance Enterprises should submit their Technical Reserves to the Liability Adequacy Test - LAT. The Brazilian regulation for this test requires that the Current Estimate is discounted by a Term Structure of Interest Rates-TSIR. As the literature offers several methods for its construction, it will be necessary to choose among them and this condition the result of the LAT application. This paper aims to discuss and apply the interpolation technique by Cubic Spline, the parametric model of Svensson and the one-factor equilibrium model of Vasicek, the construction of TSIR which will be used to discount the Current Estimates of future cash flows under insurance contracts of life-contingent annuities and pensions. As a specific goal, we want to know and analyze the magnitude of the differences found in the results of the LAT from the use of different TSIR models. Rates traded on BM&FBOVESPA will be used to estimate the parameters that characterize each of the models presented. Finally, cash flows hypothetical and observed (Insurer practical case) will be used to perform robustness tests. The results indicate that: 1) The result of Liability Adequacy Test is sensitive to the choice of the model used in the construction of TSIR; 2) The sensitivity increases with the longevity of cash flow, to the extent that the current estimate is sensitive to average term of cash flow; 3) The LAT is an uncertain value in time, as TSIR depends on the macroeconomic factors prevailing at the time of its construction; 4) The adoption of an ultimate forward rate (UFR) for the Brazilian insurance market should be evaluated by the supervisor / Com a publica????o do IFRS 4, ficou estabelecido que as Companhias Seguradoras devem submeter suas Provis??es T??cnicas ao Teste de Adequa????o de Passivo  TAP. A regulamenta????o brasileira para este teste exige que a Estimativa Corrente seja descontada por uma Estrutura a Termo da Taxa de Juros ETTJ. Como a literatura especializada oferece diversas metodologias para sua constru????o, ser?? necess??rio optar por uma delas e, dessa forma, condicionar o resultado do TAP ?? sua aplica????o. Este trabalho tem como objetivo geral discutir e aplicar a t??cnica de interpola????o por Spline C??bico, o modelo param??trico de Svensson e o modelo de equil??brio unifatorial de Vasicek na constru????o da ETTJ que ser?? utilizada para descontar a Estimativa Corrente das obriga????es decorrentes dos contratos de seguros com cobertura por sobreviv??ncia. Como objetivo espec??fico, deseja-se conhecer e analisar a magnitude das diferen??as encontradas nos resultados do TAP decorrente da utiliza????o de diferentes modelos de ETTJ. As taxas negociadas nos preg??es da BM&FBOVESPA ser??o utilizadas para estima????o dos par??metros que caracterizam cada um dos modelos apresentados. Por fim, fluxos de caixa hipot??ticos e observados (caso pr??tico de uma Seguradora) ser??o utilizados para performar os testes de robustez. Os resultados indicam que: 1) O resultado do Teste de Adequa????o de Passivo ?? sens??vel ?? escolha do modelo utilizado na constru????o da ETTJ; 2) Esta sensibilidade aumenta com a longevidade do fluxo de caixa, na medida em que a Estimativa Corrente ?? sens??vel ao prazo m??dio dos pagamentos inerentes ao fluxo; 3) O TAP ?? um valor incerto no tempo, dado que a ETTJ depende dos fatores macroecon??micos vigentes na data de sua constru????o; 4) A ado????o de uma taxa a termo de longu??ssimo prazo (UFR) para o mercado segurador brasileiro deveria ser avaliada pelo regulador

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