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Portfolios and the market geometry

Eleutério, Samuel; Araújo, Tanya; Mendes, R. Vilela

A geometric analysis of the time series of returns has been performed in the past and it implied that the most of the systematic information of the market is contained in a space of small dimension. Here we have explored subspaces of this space to find out the relative performance of portfolios formed from companies that have the largest projections in each one of the subspaces. It was found that the best perfo...

Data: 2012   |   Origem: Repositório da UTL

Innovation Success and Structural Change: An Abstract Agent Based Study

Araújo, Tanya; Mendes, R. Vilela

A model is developed to study the effectiveness of innovation and its impact on structure creation and structure change on agent-based societies. The abstract model that is developed is easily adapted to any particular field. In any interacting environment, the agents receive something from the environment (the other agents) in exchange for their effort and pay the environment a certain amount of value for the ...

Data: 2007   |   Origem: Repositório da UTL


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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia