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排序方式: 共有104条查询结果,搜索用时 28 毫秒
1.
Steven High Lysiane Gervais Goulet Michelle Duchesneau Dany Guay-Bélanger 《International journal of urban and regional research》2020,44(3):505-520
This article explores the relationship between employment mobility, family fixity, and gentrification in the lives of 36 residents in and extended commuters to Montreal's southwest borough. Once described as the birthplace of industry in Canada, the neighbourhoods of Saint-Henri, Little Burgundy and Point Saint-Charles have undergone sweeping changes in recent decades. Inner-city areas are not necessarily where one expects to find mobile workers, but this is changing due to shifting gender roles, the rise of dual-income households and gentrification. Michael Savage's concept of ‘elective belonging’ proved particularly useful in understanding this connection. With its proximity to childcare, schools, stores and workplaces, the central city permits a more equitable division of labour within the household. Our place-based approach to mobile work enables us to capture a wide spectrum of experience, ranging from people with extended daily commutes to those whose work takes them away from home for days, weeks or months at a time. Our interviews reveal a connection between employment mobility and family gentrification, as upwardly mobile families find ways to localize other aspects of their lives. The simultaneity of mobility and immobility are often essential, especially in dual-income households. One parent's mobility often leads to the relative immobility of other family members. 相似文献
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The relationship between religion and politics is explored from a theoretical standpoint. Religious clerics can be seduced by an autocrat and political stability is at stake. The autocrat's decisions consist of two measures both capable of antagonizing religious clerics: adopting secular reforms and unduly appropriating part of the national wealth, which generally are complements. Compared to centralized religions, decentralized religions, such as Islam, tend to discourage secular reforms and corruption but those effects are not guaranteed if the autocrat accepts political instability. The main hypotheses and the central results of the theory are illustrated with regime case studies that refer to contemporary times. 相似文献
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Jonathan P. Turner Jianhong Qiao Mark Lawley Jean-Philippe Richard Dulcy M. Abraham 《Socio》2012,46(4):315-326
Recent events have sparked renewed interest in disaster mitigation for public infrastructures. Presidential Decision Directive 63 identifies water distribution as being among the most vital and vulnerable of our large-scale infrastructures. Water distribution networks are vulnerable to threats such as chemical and biological contamination, cyber attacks on computer-based management systems, and physical destruction from acts of nature and intentional attack. This research develops methods for configuring the undamaged portion of the water network to mitigate the consequences of physical destruction. The approach is to find a hydraulically feasible residual network that can be pressurized to meet the demand of a subset of demand sectors. Demand sectors not pressurized then receive water through truck distribution from pressurized sectors. The objective is to minimize weighted water shortage and water truck distribution costs by identifying sectors to pressurize along with an assignment of unpressurized sectors to pressurized sectors for water delivery by truck. The paper develops an optimization model, describes a solution method, and presents computational results for three example networks. 相似文献
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Jean-Philippe Platteau 《World development》2011,39(2):243-260
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Jean‐Philippe Gervais Bruno Larue Harvey E. Lapan 《Revue canadienne d'agroeconomie》2008,56(4):429-444
Multilateral negotiations on agriculture in the WTO are making very little progress as developed economies are reluctant to bind trade‐distorting domestic support and import tariffs at levels acceptable to developing countries. This paper presents the basic Bagwell–Staiger framework as it relates to agricultural trade negotiations. In its basic version, market access commitments are sufficient to achieve efficient trade agreements. We show that vertical linkages between agricultural goods and processed food commodities may prevent countries to reach an efficient trade agreement. We argue that the features of agricultural supply chains hinder the argument that total discretion over domestic policies is appropriate. Les négociations multilatérales de l'OMC sur l'agriculture progressent très lentement étant donné que les pays développés hésitent à maintenir un soutien interne qui fausse les échanges et des barrières tarifaires à des niveaux acceptables pour les pays en développement. Le présent article traite du modèle Bagwell–Staiger dans le contexte des négociations sur le commerce des produits agricoles. Dans sa version de base, les engagements quant à l'accès au marché sont suffisants pour permettre des échanges commerciaux efficaces. Nous montrons que les liens verticaux entre les produits agricoles et les produits alimentaires transformés peuvent empêcher les pays d'atteindre un accord commercial efficace. Nous soutenons que les caractéristiques des chaînes d'approvisionnement agricole entravent l'argument voulant que l'entière discrétion quant aux politiques intérieures soit appropriée. 相似文献
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Jean-Philippe Boucher Michel Denuit† Montserrat Guillen‡ 《The Journal of risk and insurance》2009,76(4):821-846
The hunger for bonus is a well-known phenomenon in insurance, meaning that the insured does not report all of his accidents to save bonus on his next year's premium. In this article, we assume that the number of accidents is based on a Poisson distribution but that the number of claims is generated by censorship of this Poisson distribution. Then, we present new models for panel count data based on the zero-inflated Poisson distribution. From the claims distributions, we propose an approximation of the accident distribution, which can provide insight into the behavior of insureds. A numerical illustration based on the reported claims of a Spanish insurance company is included to support this discussion. 相似文献
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