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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

Estudo da estrutura de custos e da economia de escala do setor de telecomunicações móveis do Brasil pós-privatizações

Vendruscolo, Maria Ivanice 30 March 2007 (has links)
Made available in DSpace on 2015-03-05T19:13:43Z (GMT). No. of bitstreams: 0 Previous issue date: 30 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / O setor de telecomunicações passou por significativas transformações estruturais, inovações tecnológicas e mudanças nos processos regulatórios nas últimas décadas, em nível mundial. No Brasil, a telefonia móvel, pós-privatizações, seguiu a mesma tendência, desenvolvendo uma complexa estrutura oligopolista. Inicialmente, com a abertura do mercado, foi adotada uma estrutura na qual a competição se dava entre operadoras de Banda A e B. Num segundo momento, com o cumprimento das metas de universalização, previstas pelo novo modelo de telecomunicações brasileiro, a concorrência entre as operadoras foi intensificada, com a entrada das operadoras de Banda D e E. Dadas as mudanças ocorridas na estrutura de mercado do setor de telefonia brasileiro, no período pós-privatizações, este estudo teve por objetivo verificar se as operadoras de telefonia móvel brasileiras estavam usufruindo de economias de escala através da análise da função de custo polinomial e das curvas de custos. A pesquisa foi de natureza aplicada do / The telecommunication sector has been through significant structural transformations, technological innovations and changes in the regulatory processes, worldwide over the last decades. In Brazil, the mobile telephony, after-privatizations, followed the same trend, developing a complex oligopolistic structure. Initially, with the opening of the market, was adopted a structure in which the competition took place between A and B Bands operators. The second moment, with the achievement of the universalization targets, predictable by the new Brazilian telecommunications model, the competition between the operators was intensified, with the entrance of D and E Bands operators. Thus, with all the changes in the market structure of the Brazilian telephony sector, in the after-privatizations phase, this study aims to verify if the Brazilian operators of mobile telephony were usufructing economies of scale, through the analysis of the polynomial cost function and of cost curves. The research was of applied nature of
2

Odhad měsíčních odchylek závodových nákladů dle nákladových skupin - analýza postupu a návrh zlepšení / Best Estimate of Monthly Cost Variance Based on Cost Categories - Analysis of Current Practice and Improvement Proposal

Abrhám, Ondřej January 2008 (has links)
Theory: - Controlling - its function and structure - Costs Analytical part: - Cost variance tracking and evaluation of its monthly prediction - Proposal of best practices for cost variance prediction done on monthly basis

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