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141.
ABSTRACT

This installment of The Balance Point column delves into the ways in which libraries create and store open educational resources (OER) in institutional repositories (IR), addressing issues such as preservation and versioning of OER content, copyright and licensing, funding, and staffing. Drawing on interviews and the literature, programs at institutions such as the University of Minnesota, the University of Kansas, and Grand Valley State University are highlighted.  相似文献   
142.
Gray and Webb's article 'The return of the political in social work' is a welcome contribution to current debates. In its critique of the dominance of calculative reason, its rejection of postmodernism and identity politics, and its insistence on the need for social work to openly address issues of power and conflict, it is a useful addition to the growing critical literature concerned with challenging dominant forms of practice. That usefulness is limited, however, first by an excessively opaque style and, second, by problems associated with the writers' argument and approach. These include: an over-reliance on Heidegger's ontology; an over-estimation of the potential of art to act as alternative paradigm; and a particularly content-less version of politics, derived from the work of Alain Badiou, which is likely to prove to be of limited value in the project of developing alternative forms of social work.  相似文献   
143.
Firms selling goods whose quality level deteriorates over time often face difficult decisions when unsold inventory remains. Since the leftover product is often perceived to be of lower quality than the new product, carrying it over offers the firm a second selling opportunity, a product line extension to new and unsold units, and the ability to price discriminate. By doing so, however, the firm subjects sales of its new product to competition from the leftover product. We present a two period model that captures the effect of this competition on the firm's production and pricing decisions. We characterize the firm's optimal strategy and find conditions under which the firm is better off carrying all, some, or none of its leftover inventory. We also show that, compared to a firm that acts myopically in the first period, a firm that takes into account the effect of first period decisions on second period profits will price its new product higher and stock more of it in the first period. Thus, the benefit of having a second selling opportunity dominates the detrimental effect of cannibalizing sales of the second period new product.  相似文献   
144.
This paper re-examines the nature of social work from the perspectiveof movement and ‘mobilities’. It shows that socialwork is at all times ‘on the move’, yet theory andanalyses of policy and practice largely depict it as static,solid and sedentarist. The paper draws on the ‘new mobilitiesparadigm’ (Sheller and Urry, 2006), through which a concernwith flows and movements of people, objects, information, practices,speed and rhythm, with complexity, fluid images and liquid metaphors,is moving to the centre of social theory. An understanding ofthe ‘liquid’, mobile character of social work meansproducing accounts which are much closer to what its practicesare, how and where they are performed and experienced by serviceusers and professionals, and the opportunities and risks inherentto them. Three key domains of practice—the home visit,the car journey and the office/organization—are examinedin terms of the movements that go on in them. Viewed throughsystemic and complexity theories, it is shown that social workinterventions in late-modernity are best understood in termsof a flow of mobile practices between public and private worlds,organizations and the home, at the heart of which is the sensualbody of the practitioner on the move.  相似文献   
145.
146.
ABSTRACT

This article suggests that agreement on a paradigm focus for public relations scholarship would greatly enhance the probability of productive theory development. The author argues, influenced by Thomas Kuhn, that until those who call themselves public relations scholars come to agreement on the focus of public relations research and theory development, there may be much activity we call research in public relations, but there will not be much theory development.  相似文献   
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148.
In cities throughout the world, people are taking steps to develop just, sustainable alternatives to the dominant food system. These initiatives pose questions which, to be answered, require new theoretical approaches. This study makes use of Marx's concepts of ‘social metabolism’ and ‘metabolic rift’, as well as Altvater's analysis of forms of capitalist appropriation, in order to understand how current society-nature relationships have given way to a socioeconomic spatial order which makes it difficult to develop just, sustainable food systems. From this theoretical framework, we identify and analyse some key aspects of the urban transition toward food sovereignty.  相似文献   
149.
This article critiques the scientific evidence for the emerging view in nonclinical parenting research and in popular books that parents should use only positive methods of parenting and rarely resort to any disciplinary consequences. Four methodological fallacies pervade research used to support this viewpoint: the correlational fallacy (inferring causation from correlations), the trumping fallacy (permitting correlational conclusions to trump stronger causal evidence), the extrapolation fallacy (extrapolating favorable comparisons of under-usage versus over-usage to zero usage), and the lumping fallacy (lumping inappropriate and appropriate usages together). Conclusions based on any of these methodological fallacies are premature at best and counterproductive at worst. These fallacies would incorrectly make many medical procedures appear to be harmful, such as radiation treatment. Premature conclusions supporting exclusively positive parenting may partially explain the immigrant paradox in the United States and escalating criminal assaults against minors according to Swedish criminal records (where positive parenting is most prominently advocated). Exclusively positive parenting needs to be supported by stronger research, including randomized trials with oppositional defiant children, before being accepted as definitive. We also need research to understand how the parental management skills featured in effective clinical treatments for young oppositional defiant children generalize to parenting in nonclinical families.  相似文献   
150.
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