72 resultados para local economies

em QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast


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Migrant labour has transformed local economies in many places, often helping to reverse long-term decline. The emergence of new immigrant destinations (NID) globally brings mixed opportunities for the individuals involved. This article uses empirical evidence, focusing on the workplace, to show the performance, construction and significance of migrant identity. By using social identity theory to examine what it means to be a ‘migrant’, it follows from Goffman’s overarching concern with social interactions and his promotion of microanalysis as analytical lenses.
The article reveals the ambiguity of the label ‘migrant’. It shows how the external application or internal enactment of migrant identities bestow particular status that represents an asset or an obstacle to integration. It can mean ‘hard working’, ‘less deserving’ and ‘exploitable’ and it also denotes ‘lazy’ and individuals. While some individuals assume the hard working migrant and ‘exploitable’ identity in certain circumstances because of the benefits that it brings, this status can also cause high levels of dissatisfaction and distress among migrants. The research shows how the creation of a migrant identity limits the structures and networks from which migrants may draw resources and in so doing curtails the possibilities for social change due to migration.

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This paper examines the possibilities for peripheral localities to achieve upward mobility in the world-system by “hooking on” to larger processes of world-system accumulation. In particular, is it possible for economies that are dependent on foreign investment to receive a flow of investments that is high enough to overcome the negative impacts of a high stock of foreign investment, thus enabling them to cross a threshold and achieve upward mobility in the world-system? An analysis of therecent experience of the southern Irish “Celtic Tiger” economy during 1990-2000 indicates that such an upward movement is possible on the basis of massive foreign investment inflows. On closer examination, however, the Irish-type model appears to be highly deficient, because a high proportion of growth is illusionary and also on grounds of social desirability and lack of generalizability.

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Genetic data from polymorphic microsatellite loci were employed to estimate paternity and maternity in a local population of nine-banded armadillos (Dasypus novemcinctus) in northern Florida. The parentage assessments took advantage of maximum likelihood procedures developed expressly for situations when individuals of neither gender can be excluded a priori as candidate parents. The molecular data for 290 individuals, interpreted alone and in conjunction with detailed biological and spatial information for the population, demonstrate high exclusion probabilities and reasonably strong likelihoods of genetic parentage assignment in many cases; low mean probabilities of successful reproductive contribution to the local population by individual armadillo adults in a given year; and statistically significant microspatial associations of parents and their offspring. Results suggest that molecular assays of highly polymorphic genetic systems can add considerable power to assessments of biological parentage in natural populations even when neither parent is otherwise known.

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First-order time remaining until a moving observer will pass an environmental element is optically specified in two different ways. The specification provided by global tau (based on the pattern of change of angular bearing) requires that the element is stationary and that the direction of motion is accurately detected, whereas the specification provided by composite tau (based on the patterns of change of optical size and optical distance) does not require either of these. We obtained converging evidence,for our hypothesis. that observers are sensitive to composite tau in four experiments involving, relative judgments of, time to, passage with forced-choice methodology. Discrimination performance was enhanced in the presence of a local expansion component, while being unaffected when the detection of the direction of heading was impaired. Observers relied on the information carried in composite tau rather than on the information carried in its constituent components. Finally, performance was similar under conditions of observer motion and conditions of object motion. Because composite tau specifies first-order time remaining for a large number of situations, the different ways in which it may be detected are discussed.