Condomínios fechados: a produção habitacional contemporânea e a auto-exclusão dos ricos no espaço urbano de Natal RN (1995 2003)

The present work analyzes the fast evolution of gated communities in Natal-RN´s urban space. Characterized by the occupation of large areas, providing private security and utilities, this kind of real estate use arises a long list of questions and issues from society and scholars, due to privatization of urban space, bending of law constraints and the lack of an integrated planning of the cities where they are built. The reasons for its fast growth in Brazil s urban areas are analyzed, considering the impact on formal urban planning and municipal services and on the identification of urbanistic, architectural pattern and constraints, as well as legal, social and economic issues. This study is based on the detailed analysis of the first three units of gated communities built in the urban space in Natal, between 1995 and 2003, including their evolution throughout time and the specific social and economic reasons for its present widespread adoption in Brazilian real estate market and, particulary, in our city. The main objective of this piece of work is to answer the why s and how s these phenomena evolved, setting a basis for the definition of adequate public policies and regulation of this kind of urban land use

Avaliação de desempenho em mercados reguladores de transporte urbano por ônibus :proposição de um modelo aplicável ao caso de Natal

Increased competition in the market of urban transport, characteristic of the Brazilian cities from years 90, has required actions of the managing agencies to ensure the universality of service, enhancing efficiency and consumer welfare. It grows in the Brazilian municipalities, the need to adopt a systematic performance evaluation in terms of management system of indicators and targets appropriate to the regulatory context, which has the purpose of evaluating the accomplishment and compliance by dealers, of the services granted during the contract period, marked by increasingly long periods. The introduction of an index operational performance in permission contracts/concession in urban buses is intended to establish a regulatory performance, giving the contract a pro-competitive feature and to allow the managing agency the systematic and continuous monitoring of the performance of the delegated service to avoid major deviations from desired performance. A performance assessment model of public transportation companies by bus, and applicable to the case of Natal is proposed. Sought to add the particularities found in the transport system in order to assess the performance of enterprises, contribute to improving the service quality to the population and enable decision-makers a detailed knowledge of the behavior of the licensees

Otimização de escalas de serviço de tripulações estudo de caso em uma empresa de transporte urbano na região metropolitana de Natal/RN

This work aims to "build" rostering urban bus crews to minimize the cost of overtime. For this purpose a mathematical model was developed based on case study in an urban transport company in the metropolitan region of Natal. This problem is usually known in the literature as the Crew Scheduling Problem (CSP) and classified as NP-hard. The mathematical programming takes into account constraints such as: completion of all trips, daily and maximum allowable range of home and / or food. We used the Xpress-MP software to implement and validate the proposed model. For the tested instances the application of the model allowed a reduction in overtime from 38% to 84%

Infraestructura y equidad social: experiencias en agua potable, saneamiento y transporte urbano de pasajeros en América Latina

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Evaluación del impacto socioeconómico del transporte urbano en la ciudad de Bogotá: el caso del sistema de transporte masivo Transmilenio

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La necesidad insatisfecha y la demanda total de planificación familiar en Colombia, 1990

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El transporte urbano en América Latina: consideraciones acerca de su igualdad y eficiencia

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Cómo mejorar el transporte urbano de los pobres

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Liberalización del transporte urbano en Santiago de Chile

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El efecto de los subsidios, la reglamentación y las diversas formas de propiedad en la calidad y eficacia operativa de los servicios del transporte urbano en América Latina

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Diagnóstico sociodemográfico 1973-1985, proyecciones de población 1985-2000: Norte de Santander, Colombia. Trabajo de tesis

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La necesidad insatisfecha y la demanda total de planificación familiar en Colombia, 1990 (versión preliminar)

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Estudio preliminar de la relación existente entre el ingreso familiar, las condiciones de viaje y la política de transporte urbano en América Latina

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Posibilidades de ahorro de derivados del petróleo en el transporte urbano del Istmo Centroamericano

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El efecto de los subsidios, la reglamentación y las diversas formas de propiedad en la calidad y eficacia operativa de los servicios del transporte urbano en América Latina = The impacts of subsidies, regulation, and different forms of ownership on the service quality and operational efficiency of urban bus systems in Latin America

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