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Inicio Revista de Administração e Inovação Screening Items in an Aging Chain with a Co-Flow Structure: An Application to th...
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Vol. 11. Issue 1.
Pages 97-114 (January - March 2014)
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Vol. 11. Issue 1.
Pages 97-114 (January - March 2014)
Open Access
Screening Items in an Aging Chain with a Co-Flow Structure: An Application to the Product Pipeline Management Problem
Selecionando Itens numa Cadeia Temporal com Estrutura de Fluxo Auxiliar: Uma Aplicação para a Gestão do Funil da Inovação
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Paulo Figueiredo
Doutor pela Boston University School of Management e professor adjunto do Departamento de, Modelagem Computacional do SENAI CIMATEC. Patrocinado pela Fundação Fulbright., (Brasil)
Elisabeth Loiola
Doutora pela Universidade Federal da Bahia (UFBA) e Professora Associada da Faculdade de Administração da UFBA., (Brasil)
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ABSTRACT

In many situations, System Dynamics modelers have to capture attributes of items that are tracked in an aging chain. The outflow of items from the stocks in these chains usually depends on the attributes that are tracked in the co-flow. But these well known, classic models fail to account for a specific phenomenon, the screening of items. This study presents a new application of co-flows in aging chains: A co-flow that enables the process of screening, i.e. the process of either terminating or approving items depending on an attribute. Many possible applications are suggested. An application to product pipeline management is developed.

Keywords:
Screening
Co-flow
Extreme-value distribution
Gumbel distribution
Aging chains
Product development pipeline
Product development
Development funnel
System dynamics
Product portfolio management
RESUMO

Em muitas situações na modelagem de dinâmica de sistemas, é necessário capturar atributos de items que são rastreados numa cadeia temporal. A saída de itens destes estoques geralmente depende dos atributos que são rastreados em um fluxo auxiliar. Contudo, estes modelos clássicos não consideram um fenômeno específico, a seleção de itens. Este estudo apresenta uma nova aplicação para fluxos auxiliares em cadeias temporais: Um fluxo auxiliar que permite o processo de seleção, i.e. o processo de eliminar ou aprovar itens dependendo do valor de um atributo. São sugeridas muitas aplicações possíveis para a nova estrutura. Uma aplicação para a gestão do funil de inovação é desenvolvida.

Palavras-chave:
Seleção
Fluxo auxiliar
Distribuição de probabilidade de valor extremo
Distribuição Gumbel
Cadeias temporais
Funil da inovação
Desenvolvimento de produtos
Gestão de portfolio de projetos
Dinâmica de sistemas
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Copyright © 2014. Published by Elsevier Ltda. on behalf of Departamento de Administração Faculdade de Economia, Administração e Contabilidade Universidade de São Paulo ¿ FEA/USP
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