894 resultados para Ubiquitous Eco Cities
Resumo:
Federal Capitals often have special statutes. Compared with member states, they often enjoy a lower degree of self-government and a lesser share in the governing of the federation. Why do actors choose such devices, and how can they be justified in a liberal democracy? Surprisingly, the burgeoning literature on asymmetric federalism (to which our research group has contributed significantly) has overlooked this important feature of a de iure asymmetry, perhaps because political theory up to now has concentrated on cases of multicultural and plurinational federations. However, comparative literature is also rare. This paper is the first step to filling in this gap by comparing some federal capitals. The Federal District model (Washington) is compared to capitals organized as member-states (Berlin and Brussels), and capitals that are cities belonging to a single member state (Ottawa in Ontario). The different features of de iure asymmetry will thereby be highlighted. Some light will be shed on the possible motives, reasons and justifications for the choice of each respective status. The paper opens the door to further research on such status questions by analysing public and parliamentary debates, for example. It paves the way for more thorough research. Sicne the author has been awarded a grant by the Institut d’Estudis Autonòmics, this research will be carried out soon.
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China’s economic reforms, which began in 1978, resulted in remarkable income growth, and urban Chinese consumers have responded by dramatically increasing their consumption of meat, other livestock products, and fruits and by decreasing consumption of grain-based foods. Economic prosperity, a growing openness to international markets, and domestic policy reforms have changed the food marketing environment for Chinese consumers and may have contributed to shifts in consumer preferences. The objective of this paper is to uncover evidence of structural change in food consumption among urban residents in China. Both parametric and nonparametric methods are used to test for structural change in aggregate household data from 1981 to 2004. The tests provided a reasonably clear picture of changing food consumption over the study period.
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Résumé La mobilité ne signifie plus uniquement se mouvoir d'un point à un autre ; il s'agit d'un concept lui-même en constante évolution, grâce au progrès technique et à l'innovation sociale notamment. Aujourd'hui, la recherche de la vitesse n'est plus le seul enjeu au coeur de nos préoccupations. Elle a été remplacée par un retour au voyage enrichi par l'expérience et ce quelle que soit sa durée. Cet enrichissement s'est principalement fait par le truchement des technologies de l'information et de la communication et peut prendre plusieurs formes liées aux problématiques contemporaines de la ville et du territoire. Citons comme exemple la valorisation du temps de déplacement, grâce à un meilleur accès à l'information (travail, réseaux sociaux, etc.) et à la recherche d'une plus grande cohérence entre l'acte de se mouvoir et l'environnement proche ou lointain. Cette « recontextualisation » du mouvement nous interpelle dans notre rapport à l'espace et nous donne également des pistes pour repenser le métier d'urbaniste de la ville intelligente. Abstract Mobility issues do not only involve the act of moving nowadays. The concept itself evolves continuously thanks to technological and social innovations. The main stakes do not focus anymore on improving speed, but on enriching the experience of travelling, even in the case of short trips. One of the main factors that fosters this evolution is the progressive adoption of information and communication technologies that help to reshape the issues of contemporary cities. For example, the quality of travel time has improved thanks to the ubiquitous accessibility to information, and by offering a better coherence between the trip and the immediate social environment. The "recontextualisation" of everyday activities (working, interacting, etc.) challenges the relationship individuals have with space and offers many clues in regard to the required skills that urban planners and designers of the smart city should possess.
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We combine growth theory with US Census data on individual schooling and wages to estimate the aggregate return to human capital and human capital externalities in cities. Our estimates imply that a one-year increase in average schooling in cities increases their aggregate labor productivity by 8 to 11 percent. We find no evidence for aggregate human capital externalities in cities however althoughwe use three different approaches. Our main theoretical contribution is to show how human capital externalities can be identified (non-parametically) even if workers with different levels of human capital are imperfect substitutes in production.
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Describe las operaciones Eureka III y IV en los días de abril 17 y 24 del 1966, cubriendo las zonas entre Punta Chao y Bahía Independencia. El rastreo con sonar y ecosonda fue completado con observaciones bio oceanológicas básica, especialmente de temperatura.
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Describe las operaciones exploratorias Eureka, durante el periodo de pesca de la anchoveta con muestreos semanales y estudios de composición por tamaño de la población de anchoveta, edad y crecimiento.
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Describe la operación Eureka VI que se realizó del 16 al 18 de agosto de 1966, cubrió la zona comprendida entre Salaverry y Punta Olleros, hasta 90 millas de la costa.
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Describe la operación Eureka VII que realizó del 9 al 11 de marzo de 1967, cubrió la zona entre Salaverry y Punta Olleros. Participaron 8 lanchas de los puertos de Chimbote, Culebras, Callao y Pisco.
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Describe la operación Eureka VIII que se realizó el 24 de agosto de 1967, investigando las zonas de Lobos de Afuera – San Juan y, Camaná Punta Quiaca. Participaron 16 embarcaciones perecientes a 9 compañías pesqueras de los puertos de Chicama, Chimbote, Callao, Tambo de Mora, Pisco e Ilo.
Resumo:
El presente informe contiene las normas y/o las instrucciones para realizar eco-rastreos relámpago( Operaciones Eureka) , rastreos especiales con el BAP Unanue y las tareas normales de la flota anchovetera. Contempla los principalesrequerimientos técnicos,como los presupuestos de las exploraciones de eco-sondaje durante un período vigente de cuatro años,los cuales tendrán por objetivo, determinar la distribución y concentración de cardúmenes de anchoveta desde Lobos de Afuera( Norte del litoral peruano) a Ilo ( Sur del litoral peruano).
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Analiza los métodos usados por IMARPE para la evaluación acústica de peces pelagicos del proyecto ICANE
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The identification of aggregate human capital externalities is still not fully understood. The existing (Mincerian) approach confounds positive externalities with wage changes due to a downward sloping demand curve for human capital. As a result, it yields positive externalities even when wages equal marginal social products. We propose an approach that identifies human capital externalities whether or not aggregate demand for human capital slopes downward. Another advantage of our approach is that it does not require estimates of the individual return to human capital. Applications to US cities and states between 1970 and 1990 yield no evidence of significant average -schooling externalities.
Resumo:
Describe el Eco-rastreo Relámpago efectuado el día 12 de marzo de 1968, que comprendió la zona entre Punta Chérrepe y Punta Camaná. Participaron 15 embarcaciones pertenecientes a ocho compañías pesqueras de los puertos de Chimbote, Huacho, Callao, Tambo de Mora, Pisco y Atico. Asimismo, brinda recomendaciones para las próximas actividades de la flota pesquera dedicada a la pesca de anchoveta, a fin de llegar a zonas de mayor disponibilidad.
Resumo:
Da a conocer las observaciones tomadas durante el eco-rastreo relámpago, efectuado el día 23 de agosto de 1968, cubriendo las zona comprendida entre Punta Arcana y Punta San Juan hasta 60 y 80 millas de la costa. Brinda, a su vez, recomendaciones para las próximas actividades de la flota pesquera dedicada a la pesca de anchoveta, indicando rumbo y horas de navegación desde diferentes puertos, a fin de llegar a las zonas de mayor disponibilidad del recurso.
Resumo:
Presenta los resultados de los ploteos sobre la distribución teórica de las áreas de abundancia o densidad de cardúmenes y compara los resultados encontrados en agosto de años anteriores. A su vez, presenta cuadros y gráficos acerca de las áreas de mayor concentración y disponibilidad del recurso anchoveta con las recomendaciones respectivas para la flota pesquera.