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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

An?lise mediacional: uma contribui??o da ci?ncia da informa??o para o mercado de capitais / Mediational Analysis: a contribuition from Information Science to the capital marke

Carvalho, Roberto Brito de 18 June 2007 (has links)
Made available in DSpace on 2016-04-04T18:36:32Z (GMT). No. of bitstreams: 1 ROBERTO BRITO DE CARVALHO.pdf: 1599967 bytes, checksum: 1cdee7729a669a4eb8c5c375d56d5cc8 (MD5) Previous issue date: 2007-06-18 / This work discusses a new possibility of investment analysis, complementing the existing ones, oriented by the strategic information focus as a competitive differential at the financial market, based on the Information Science insight. It begins with a discussion about its own field, surpassing the most orthodox limits, linked to its origin, such as Biblioteconomy, Museoconomy, Documentation and Archivist, moving towards a postmodern and multidiscipline discussion referred to the understandings of Science Information attributions. It is necessary a synthesis about the financial system comprehension in order to focus on the object of study: information mediation. The study starts from the identification of the most significant daily oscillations (consider oscillations greater than 5% - up or down) happened at S?o Paulo Stock Exchange (BOVESPA), from July/1994 to October/2006, to the Petrobras S.A. shares and the IBOVESPA index. Based on quantitative data and also a qualitative search through documental research, it is sought the information source that is responsible for the financial effects, compiling and organizing them into a database which could allow the development of the mediational analysis, suggested in this work. / Este trabalho discute uma nova possibilidade de an?lise de investimentos complementar ?s existentes, orientado sob o foco das informa??es estrat?gicas como diferencial competitivo no mercado financeiro, ?s luzes do entendimento da Ci?ncia da Informa??o. Inicia-se com uma discuss?o sobre a pr?pria ?rea em quest?o, transcendendo os limites mais ortodoxos, vinculados a sua origem como a Biblioteconomia, Museoconomia, Documenta??o e Arquiv?stica, caminhando para uma discuss?o p?s-moderna e multidisciplinar no que se refere ao entendimento das atribui??es da Ci?ncia da Informa??o. Faz-se necess?ria uma s?ntese sobre o entendimento do sistema financeiro para que se possa focar o objeto de estudo: media??o da informa??o. O estudo parte da identifica??o das oscila??es di?rias mais significativas (entenda-se, oscila??es superiores ao percentual de 5% - positiva ou negativa) ocorridas na Bolsa de Valores de S?o Paulo (BOVESPA) no per?odo julho/1994 a outubro/2006, das a??es da Petrobr?s S. A. e do ?ndice IBOVESPA. Baseado nos dados quantitativos e numa busca qualitativa atrav?s de uma pesquisa documental, busca-se a origem de informa??es respons?veis pelos efeitos financeiros, compilando-as e organizandoas numa base de dados que possa permitir o desenvolvimento do conceito de an?lise mediacional, proposto no trabalho.

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