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1.
This paper presents a conceptual model for the creation and operation of supply networks. Existing conceptual research relating to interorganizational relationships and networks is reviewed in terms of its relevance to understanding supply networks; this research is drawn from the fields of strategic management, channel management, industrial marketing and purchasing, organizational behaviour and supply‐chain management. The different perspectives each field has on networks are highlighted. Contributions made by each in assisting to understand supply networks are discussed and synthesized. Findings from an exploratory survey are used to structure the design of a conceptual model for analysing the processes involved in the creation and operation of supply networks. The authors identify nine different types of networking activities and discuss the nature of these activities in the context of supply. Four different types of contextual factors relating to supply networks are identified. The model is tested in eight in‐depth case studies and a validating survey of 58 focal firm networks. It is concluded that it provides a robust structure that enabled complex, cross‐case analysis of multi‐variable, multi‐disciplinary data from interorganization product/service supply networks, but that further testing by other researchers is required.  相似文献   
2.
As the liberal optimism of the long 1990s has faded into a world of growing inequality and resurging nationalism, there is less certainty about the prospects of economic convergence and global integration. Beyond the formidable human cost of maintaining a divided world, the possibility of incomplete globalisation also gives rise to a number of environmental risks. While environmental political theory generally sees strength in localism, history rather shows that a robust world trade system is crucial to offset local resource scarcities and that cosmopolitan norms of solidarity are essential for helping communities to rebuild after environmental catastrophe. In relation to climate change, statist thinking has led to a focus on non-scalable technologies and a silent acceptance of chronic poverty abroad as a way of avoiding a climate emergency. Contrary to such views, this paper argues that accelerating the transition to a fully integrated high-energy planet may more effectively mitigate Anthropocene risks.  相似文献   
3.
We establish a central limit theorem for multivariate summary statistics of nonstationary α‐mixing spatial point processes and a subsampling estimator of the covariance matrix of such statistics. The central limit theorem is crucial for establishing asymptotic properties of estimators in statistics for spatial point processes. The covariance matrix subsampling estimator is flexible and model free. It is needed, for example, to construct confidence intervals and ellipsoids based on asymptotic normality of estimators. We also provide a simulation study investigating an application of our results to estimating functions.  相似文献   
4.
Social Indicators Research - Differences in mortality between groups with different socioeconomic positions (SEP) are well-established, but the relative contribution of different SEP measures is...  相似文献   
5.
Two-step estimation for inhomogeneous spatial point processes   总被引:1,自引:0,他引:1  
Summary.  The paper is concerned with parameter estimation for inhomogeneous spatial point processes with a regression model for the intensity function and tractable second-order properties ( K -function). Regression parameters are estimated by using a Poisson likelihood score estimating function and in the second step minimum contrast estimation is applied for the residual clustering parameters. Asymptotic normality of parameter estimates is established under certain mixing conditions and we exemplify how the results may be applied in ecological studies of rainforests.  相似文献   
6.
This paper establishes a remarkable result regarding Palm distributions for a log Gaussian Cox process: the reduced Palm distribution for a log Gaussian Cox process is itself a log Gaussian Cox process that only differs from the original log Gaussian Cox process in the intensity function. This new result is used to study functional summaries for log Gaussian Cox processes.  相似文献   
7.
This study investigated the relationship between aversive conditioning, heart rate variability suppression, behavioral activation system/behavioral inhibition system and risk-avoidance on the Iowa gambling task (IGT) in a nonclinical sample (29 male, 29 female, mean age = 20.7). A laboratory based Pavlovian aversive conditioning paradigm was used where a 1500 Hz tone (CS+) was followed by a burst of loud white noise (US), and a 850 Hz (CS−) tone was never followed by the US. In a subsequent extinction phase where the CS+ and CS− were presented without the US, conditioned skin conductance responses to the CS+ indicated aversive conditioning. The results showed that the participants who did not show aversive conditioning (N = 26) exhibited significantly less risk-avoidance compared to participants who did show aversive conditioning (N = 32). Regression analysis showed that among the study variables, only aversive conditioning contributed significantly to explaining variance in risk-avoidance. These results may have implications for understanding risk-taking in gambling in general, and may be a starting point understanding the role of aversive conditioning in the development and maintenance of gambling problems.  相似文献   
8.
A common claim in the literature is that the local dialects in South‐East Norway are being leveled towards the dialect of the upper social classes in Oslo. A meta‐analysis of previous studies on dialect change in this region demonstrates that this assertion is incorrect, and that linguistic features have diffused from the dialect of the lower social classes in Oslo. Attitude studies show that people in South‐East Norway have strongly negative views on the upper Oslo speech community, and this can largely explain why they do not adopt new linguistic features from this community. Within Oslo, however, linguistic features diffuse from the upper classes down to the lower classes, and the overall picture that can be drawn from these diffusion patterns is that the lower‐class dialect of Oslo is spreading its features outwards from the capital, at the same time as it is gradually disappearing as a distinct sociolect. Det er vanleg å hevda at dei lokale målføra i Søraust‐Noreg vert tiljamna talemålet i dei øvre sosiale laga i Oslo. Ein metaanalyse av tidlegare språkendringsundersøkingar i dette området syner at den påstanden ikkje er rett, og at måldrag i staden spreier seg frå talemålet i dei lægre sosiale laga i Oslo. Haldningsundersøkingar syner at folk i Søraust‐Noreg tykkjer ille om dei frå dei øvre sosiale laga i Oslo, og då kan dét vera mykje av grunnen til at dei ikkje tek imot nye måldrag frå talemålet deira heller. Men innanfor Oslo spreier måldraga seg frå dei øvre til dei lægre sosiale laga, og hovudbiletet frå desse observasjonane vert då at måldrag frå talemålet i dei lægre sosiale laga i Oslo spreier seg utetter Søraust‐Noreg samstundes som det same talemålet noko om senn vert borte i hovudstaden. [Norwegian]  相似文献   
9.
Until recently, homelessness in rural areas has received little recognition because of overwhelming assumptions about the urban-centredness of homeless people and their needs. This paper seeks to build on recent research that has begun to uncover some of the problems and characteristics of rural homelessness, by suggesting two significant dynamics which together can shape the experience of different groups of homeless people in rural environments. First, rural places reflect particular local qualities which contextualise both the circumstances of homelessness and the provision of services in response to those circumstances. Secondly, the contemporary governance of homelessness unfolds rather unevenly in different rural areas, producing distinct local service environments with varying degrees of ‘insider’ and ‘outsider’ status in relation to joined-up responses to the needs of homeless people. These dynamics are articulated through three case studies: a remote friary in a deep rural area of southern England; a small hostel run by a vibrant non-statutory organisation in a small town in the west of England, and two advice centres in a coastal resort in the north-east of England. Through these case studies we highlight the importance of both local reactions to the homeless other, and local relations between central government funding, local authority initiatives and charitable organisations, in the production and consumption of spaces of care in settings set in, or serving, rural environments.  相似文献   
10.
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