首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 15 毫秒
1.
2.
3.
ABSTRACT. In this paper a gravity model is formulated to model a hospital patient flow system. Both spatial and nonspatial measures of separation are used to estimate the model. Travel time was found to provide improved fits over linear distance in modeling patient flow behavior. Transformations of travel time (square root and log) were found to improve model performance further. Model diagnostics suggested additional spatial separation measurw, separation measure parameters demonstrated stability over time. The model is used to forecast the effects of health care financing reform and hospital closure on patient flows in an urban hospital market. Universal health coverage was found to dramatically improve access to hospital services for lower income patient populations. Hospitals at risk for closure were forecast to receive increased patient flows. Medical school hospitals are expected to lose patients after implementation of health reform, with important implications for graduate medical education. Hospital closures were shown to have negative effects on access to services in poor neighborhoods, but relatively little effect on access in the system as a whole.  相似文献   

4.
5.
6.
Positive 'sense of place' in the regional novel is a frequent geographical theme, but the multivalent nature of the novelist's inscape, or landscape of the mind, has been neglected. Malcolm Lowry's positive evaluation of British Columbia and negative view of Mexico generate a polarity that inform all his later works. His portrayal of basic landscape elements such as seacoast, interior, house, garden, forest, mountain, and cavern is explored in terms of this eutopia.dystopia antinomy. The valency attached to these landscape elements is directly related to locale: for Lowry British Columbia is home, a Dantesque Paradise, while Mexico is away, an Inferno.  相似文献   

7.
Louis F. Miron  Ph.D. 《对极》1992,24(4):263-288
In this article, Louis F. Miron presents a case study of the effects of local ideology and culture on corporate-lead progrowth movements in New Orleans. Miron borrows from critical theory to illustrate how "hegemonic" ideologies such as economic growth may be resisted in local settings. The findings suggest that economic structural relations do not predetermine the course of human agency, and that the success of progrowth movements is contingent upon local cultural conditions and ethos. Through a document analysis of "fiscal reform," a pro-growth ideology advanced by corporate and political elites in New Orleans and throughout Louisiana, the author probes the connections among material conditions, ideology, and the politics of entrepreneurism.  相似文献   

8.
ABSTRACT. This paper estimates a flexible frontier specification for the production of urban bus transit services in the United States. The results confirm previous findings of relatively unimportant scale economies. However, they also suggest that this regulated industry is subject to substantial technical and allocative inefficiency.  相似文献   

9.
ABSTRACT Distributions of city sizes are usually characterized by their Pareto index. This, however, turns out to be a rather restrictive view, for the Pareto distribution is known to become singular whenever the Pareto index becomes smaller than one, a case which is fairly frequent in empirical distributions. We show that the introduction of finite Pareto distributions in which city sizes are bounded from above solves a number of difficulties encountered by the rank-size rule and by the unbounded Pareto distribution. Combined with the use of finite Pareto distributions, the green-belt model that has been introduced previously is reexamined. It implies definite constraints for the long-run evolution of urban systems; it is in the cases of countries experiencing a process of fast urbanization that these constraints are of greatest significance. The implications of the model are confronted with empirical evidence concerning the evolution of urban systems in major industrialized countries during the nineteenth and twentieth centuries.  相似文献   

10.
11.
12.
ABSTRACT. We model an economy of a developing country that produces an exportable manufactured good in an urban sector and a nontradable rural good. Manufacturing faces a fixed wage, which encourages urban unemployment. Changes in cultivated area in the rural sector involve deforestation or reforestation at frontiers. Government taxes to pay for urban infrastructure that assists the manufacturing sector. Increases in urban infrastructure may relieve or exacerbate frontier deforestation but expands manufacturing employment and reduces urban unemployment. Rural transportation improvements exacerbate frontier deforestation but expand employment in the urban manufacturing sector. A larger population, ceteris paribus, widens the rural-urban wage gap and exacerbates deforestation, but may cause manufacturing employment to expand or contract.  相似文献   

13.
14.
This paper offers a reading of Michael Moore's docu-comedy, Roger & Me, a film ostensibly chronicling the director's effort to interrogate General Motors Chairman Roger Smith following massive plant closures in and around Flint, Michigan in the 1980s. Our analysis focuses on four key themes: (1) the status of “community” as an ideological lever both prior and subsequent to GM's layoffs; (2) the spatial consequences of economic restructuring, expressed most formidably in the division between public and private space; (3) the charge that Moore's film suffers from a lack of objectivity; and (4) the notable absence of any significant representation of labor resistance to the plant closures. The film's themes, we argue, coalesce in an emblematic sequence involving Rhonda Britton, a woman who sells rabbits as both pets and meat. The paper concludes by calling for increased attention on the part of geographers to filmic portrayal, and, more generally, to all forms of representation and the issues which surround them.  相似文献   

15.
Are government policies of any real significance in shaping the pattern of development in metropolitan regions? This essay summarizes the widely-held view that ‘economic forces’ determine the distribution of jobs and residences in urban areas, and argues that this conclusion involves serious conceptual difficulties. The essay then shows how the theory of political influence and related concepts can be used to clarify the issue of causation in urban development, and summarizes the authors' own substantive conclusions—that under certain specifiable conditions government activities do have a highly significant role in shaping metropolitan growth.  相似文献   

16.
17.
18.
Summary.   In recent years British Iron Age studies have focused on regionality whilst critiquing the hierarchical model of Iron Age society. Despite the success of these approaches there has been little detailed replacement of previous social models with an understanding of how Iron Age societies worked. Looking at the later Iron Age of western Britain this paper combines examination of the exchange of material culture alongside study of the landscape to explore the nature of Iron Age communities. It is argued that Iron Age societies in the region used material culture to construct and maintain social relationships, while using visual landscape references allowed groups to engage in larger perceived communities.  相似文献   

19.
This paper examines the role of urban social movements in shaping the built environment. It is based on empirical work undertaken in two relatively small towns, Darwin and Alice Springs, located in the Northern Territory of Australia. This approach has furnished the opportunity to undertake a true comparative study of the role of social movements in what ostensibly appear to be relatively simple urban locations situated in similar local, national and global circumstances, across the same time-period. In particular, the investigation sets out to examine the contrasting success/failure of social movements to coalesce around the problem of housing provision. The early sections of the paper review various conceptual issues related to the empirical investigation and try to arrive at a usable definition of ‘urban social movement’.  相似文献   

20.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号