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      Caos determinístico em um modelo simplificado de cadeia produtiva Translated title: Deterministic chaos in simplified supply chain model

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          Abstract

          Este trabalho tem por objetivo apresentar um modelo teórico simplificado de cadeia produtiva onde as relações entre o número de competidores, os tempos de resposta para ajustes da produção e a intensidade da resposta das empresas levam intrinsecamente ao surgimento de oscilações caóticas na oferta e na demanda. No modelo proposto, desenvolvido com o uso da metodologia de dinâmica de sistemas, as flutuações irregulares na demanda e nos preços estão intimamente relacionadas com a própria estrutura da cadeia, ou seja, com suas regras, políticas e capacidades produtivas. São feitas considerações sobre a importância do estudo de caos aplicado à economia e são discutidas técnicas para caracterização de comportamento caótico em séries econômicas.

          Translated abstract

          The purpose of this study was to present a simplified supply chain model where the relations between the number of competitors, the delay in production adjustments, and the intensity response of each company lead, intrinsically, to the emergence of chaotic oscillations in supply and demand. In the considered model, developed with the use of the System Dynamics methodology, the irregular fluctuations in demand and prices are closely related to the supply chain structure, that is, its rules, policies and capabilities. Discussions about the importance of the study of chaos applied to the economy are developed and specific techniques for characterization of chaotic behavior in economic time series are presented.

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          Most cited references41

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          Quantitative universality for a class of nonlinear transformations

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            Business Dynamics : Systems Thinking and Modeling for a Complex World

            Today's leading authority on the subject of this text is the author, MIT Standish Professor of Management and Director of the System Dynamics Group, John D. Sterman. Sterman's objective is to explain, in a true textbook format, what system dynamics is, and how it can be successfully applied to solve business and organizational problems. System dynamics is both a currently utilized approach to organizational problem solving at the professional level, and a field of study in business, engineering, and social and physical sciences.
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              The Fractal Geometry of Nature

              Clouds are not spheres, mountains are not cones, and lightning does not travel in a straight line. The complexity of nature's shapes differs in kind, not merely degree, from that of the shapes of ordinary geometry, the geometry of fractal shapes. <br><br>Now that the field has expanded greatly with many active researchers, Mandelbrot presents the definitive overview of the origins of his ideas and their new applications. <i>The Fractal Geometry of Nature</i> is based on his highly acclaimed earlier work, but has much broader and deeper coverage and more extensive illustrations.
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                Author and article information

                Contributors
                Role: ND
                Journal
                prod
                Production
                Prod.
                Associação Brasileira de Engenharia de Produção (São Paulo )
                1980-5411
                June 2013
                : 23
                : 2
                : 257-268
                Article
                S0103-65132013000200004
                10.1590/S0103-65132013000200004
                c0804161-fff4-40d4-83d8-51fecf0c1a76

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-6513&lng=en
                Categories
                ENGINEERING, MANUFACTURING

                General engineering
                Supply chain,Chaotic cycles,System dynamics,Cadeia de suprimentos,Ciclos caóticos,Dinâmica de sistemas

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