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The internet enables analysts to better track rumors and contemporary legends through time and space. Comments about sex bracelets reveal waves of concentrated attention; the spread of particular variants display a similar pattern. The diffusion of such stories reflects constructions of childhood and adolescent sexuality as social problems. 相似文献
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Web management and knowledge management systems have made significant technological advances, culminating in large information management systems such as enterprise content management (ECM). ECM is a Web‐based publishing system that manages large numbers of electronic documents and other Web assets intended for publication to Web portals and other complex Web sites. Work in nonprofit organizations can benefit from adopting new communication technologies that promote collaboration and enterprisewide knowledge management. The unique characteristics of ECM are enumerated and analyzed from a knowledge management perspective. We identify three stages of document life cycles in ECM implementations—content, reification, and commodification/process—as the content management model. We present the model as a mechanism for decision makers and scholars to use in evaluating the organizational impacts of systems such as ECM. We also argue that decision makers in nonprofit organizations should take care to avoid overly commodifying business processes in the final stage, where participation may be more beneficial than efficiency. 相似文献
66.
Over the past two hundred years, large, modern firms have tended to replace small, family businesses. In parallel, the family
has declined as a social institution. We suggest that these developments are interrelated. Because information of cheating
in market transactions spreads only gradually in large markets, the reputation of the family firm could support contractual
performance only in small, traditional markets. As markets grew in size, this reputational mechanism could no longer operate.
The small, family firm was then replaced by the large, modern firm. This transition led to a decrease in the importance of
the family.
相似文献
67.
Two species of tree squirrel inhabit the Chicago region, the fox (Sciurus niger) and gray (S. caroliniensis) squirrel. Chicago residents submitted squirrel observations and associated landscape variables via a Website, allowing us
to map squirrel distributions. Data were analyzed for patterns of correlation. At a smaller scale, we did a foot survey of
fox and gray squirrels in the suburb of Oak Park, replicating an earlier study and comparing results. Gray squirrels were
associated with densely populated areas, parks and campuses, fox squirrels with suburban areas. Compared to gray squirrels,
fox squirrels were more likely to be observed in areas of high cat density. In the suburb of Oak Park, the current trend seems
to be an extension of gray squirrel distribution and a decrease in fox squirrel distribution. Our study provides support for
the idea that fox and gray squirrel coexistence is facilitated by a trade-off between managing the cost of predation and foraging
efficiency, gray squirrels out-competing fox squirrels in areas of high food and low predator (or pet) density. 相似文献
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Patterson Silver Wolf David A. Ramsey Alex T. Epstein Joel Beeler-Stinn Sara Asher Black Deer Autumn 《Clinical Social Work Journal》2022,50(3):308-315
Clinical Social Work Journal - Adolescent substance use is a growing problem that causes a myriad of negative outcomes. Using substances during adolescence can lead to decreased executive... 相似文献
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Steven Boivie Michael K. Bednar Ruth V. Aguilera Joel L. Andrus 《The Academy of Management Annals.》2016,10(1):319-407
In this review, we challenge the idea that directors are well positioned to be effective monitors of management. Moving beyond the logic of incentives and ability, we conceptualize a model based on the premise of boards as groups of individuals obtaining, processing and sharing information and explain how variation in information-processing demands at the director, board and firm level may challenge effective monitoring. We draw on multiple theoretical perspectives to identify these barriers to effective board monitoring. Our goal in reviewing these barriers is to help us take stock of existing research in corporate governance and to better explain board behavior beyond traditional agency and resource dependency accounts. We also aim to uncover gaps in the conceptual and empirical research and suggest areas of fruitful future research. 相似文献
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We quantified determinants of international migratory inflows to 17 Western countries and outflows from 13 of these countries between 1950 and 2007 in 77,658 observations from multiple sources using panel-data analysis techniques. To construct a quantitative model that could be useful for demographic projection, we analyzed the logarithm of the number of migrants (inflows and outflows separately) as dependent variables in relation to demographic, geographic, and social independent variables. The independent variables most influential on log inflows were demographic [log population of origin and destination and log infant mortality rate (IMR) of origin and destination] and geographic (log distance between capitals and log land area of the destination). Social and historical determinants were less influential. For log outflows from the 13 countries, the most influential independent variables were log population of origin and destination, log IMR of destination, and log distance between capitals. A young age structure in the destination was associated with lower inflows while a young age structure in the origin was associated with higher inflows. Urbanization in destination and origin increased international migration. IMR affected inflows and outflows significantly but oppositely. Being landlocked, having a common border, having the same official language, sharing a minority language, and colonial links also had statistically significant but quantitatively smaller effects on international migration. Comparisons of models with different assumed correlation structures of residuals indicated that independence was the best assumption, supporting the use of ordinary-least-squares estimation techniques to obtain point estimates of coefficients. 相似文献