849 resultados para Davis, Stephen J.: Job creation and destruction


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Mode of access: Internet.

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WI docs no.: EMP 1.1/2:4/1963-1971

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Description based on : 2006/2007 ; title from cover.

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"In answer to the objections started, and to the very imperfect account of the religion of nature, and of Christianity, given by the two oracles of deism, the author of Christianity as old as the creation; and the author of the Characteristics."

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Thesis (Master's)--University of Washington, 2016-06

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In much the same way we consider our house or car 'mine', we may also consider facets of employment as a possession. Psychological ownership is the state ascribed to such feelings of possession in the absence of any formal or legal claims of ownership. In the present context, the target of such feelings of ownership is directed towards the employing organisation, or individual employee's specific job. TJie aim of this research is to extend previous propositions of ownership feelings to encompass related work attitudes and behavioural outcomes of psychological ownership in an organisational context. As a result, a theory of psychological ownership in organisations is presented encompassing antecedents, consequences, and the related work attitudes of job satisfaction and organisational commitment. Questionnaire data from 68 employees and their managers was used to test hypotheses derived from the proposed theory. Results revealed that psychological ownership predicted the work attitudes of job satisfaction and organisational commitment, and mediated the relationship between autonomy and these work attitudes. Both organisation- based and job-based psychological ownership were found to be distinct work attitudes, distinguishable from job satisfaction and organisational commitment. There was no support, however, for a direct or mediated relationship between psychological ownership and behavioural outcomes, including in-role behaviour, and helping and voice extra-role behaviours. These findings have considerable theoretical and empirical implications for the field of psychological ownership, and offer support for psychological ownership as a real and important work attitude.

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We conducted two studies exploring the influence of professional status on three targets of organisational identification. In the first study, 180 employees from a large metropolitan hospital completed an organisation-wide survey. As predicted, employees belonging to high-status professional groups reported higher levels of identification with their profession, followed by their work unit and the organisation. In contrast, employees belonging to low-status professional groups reported higher levels of identification with their work unit and the organisation, compared to their profession. Identification with the various targets was also associated with higher levels of job satisfaction and organisational commitment, and lower levels of uncertainty and emotional exhaustion. In the second study, 60 employees from the same hospital took part in semi-structured interviews to further explore issues relating to professional identification. In line with the results of the first study, the professional group was viewed as a central target of identification at work, particularly for those employees belonging to high status professional groups. Professional identification was also identified as a conduit for social meaning and a signifier of intergroup boundaries. Implications for the management of multiple identifications and heterogeneous teams are discussed.

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Research has shown that informal mentoring relationships benefit the protégé, mentor and employing organisation. As such they have been of interest to public accounting firms. The functioning of these relationships in Big Eight/Big Five accounting firms has been investigated in the USA and more recently in Ireland. The career outcome of most interest has been turnover intentions. This paper reports the results of a questionnaire study of mentoring relationships in the Australian state of Queensland. The receipt of mentoring support by accountants is found to be associated with not only lower turnover intentions, but also higher job satisfaction, and lower intentions of female accountants to seek part-time employment. The impact of the organisational context in which these relationships are initiated and cultivated is also investigated. The size of the accounting firm and the national culture of the country in which the firm operates, appear to have some bearing on mentoring experiences.

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Few organizational change studies identify the aspects of change that are salient to individuals and that influence well-being. The authors identified three distinct change characteristics: the frequency, impact and planning of change. R. S. Lazarus and S. Folkman's (1984) cognitive phenomenological model of stress and coping was used to propose ways that these change characteristics influence individuals' appraisal of the uncertainty associated with change, and, ultimately, job satisfaction and turnover intentions. Results of a repeated cross-sectional study that collected individuals' perceptions of change one month prior to employee attitudes in consecutive years indicated that while the three change perceptions were moderately to strongly intercorrelated, the change perceptions displayed differential relationships with outcomes. Discussion focuses on the importance of systematically considering individuals' subjective experience of change.

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Hydrocarbon migration pathways and organic mineral matter associations were used to identify brine pathways in Paleoproterozic to early Mesoproterozoic rocks from the Lawn Hill platform, Mount Isa. Several types of organic matter are identified, and their thermal imprints are used to reconstruct the thermal history of the northern to central parts of the Isa superbasin. Three major thermal hydrothermal episodes are recognized from the organic maturation studies. Isotherm plots on a 175-km-long structural-sedimentological north-south section of the Isa superbasin highlight specific fault systems that acted as hot fluid conduits during the geologic history of the basin. Some of these systems indicate continuing activity into the south Nicholson basin, supported by the presence of low reflectance (type B) bitumen. This bitumen has not been overprinted by later hydrothermal episodes and therefore represents the latest thermal event. Along the north-south profile a general southward increase in temperature is evident. The lowest temperatures are recorded in proximity to the basin margin on the southern flank of the Murphy inlier. Thermal processes and their sequence of events in the basin are recorded by organic maturation, subsequent hydrocarbon generation, its migration and destruction coincident with transport and precipitation of minerals. As some timing and trapping mechanisms for minerals may have analogues with hydrocarbon entrapment, relative timing of processes leading to organic maturation, hydrocarbon generation and migration are utilized in this study to enhance understanding of ore-grade mineralization. In the Proterozoic successions of the Mount Isa basin multiple hydrocarbon generation events are recognized. These events record the transient passage of potential metal-bearing fluids rather than background conductive heat flow from the basement. Such hydrothermal fluids are responsible for inverse maturation profiles in the vicinity of the Termite Range fault and extreme maturation (reflectance values) up to 6 percent Ro at the Grevillea prospect. At Century, intermediate Ro values of

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The calcitonin gene-related peptide (CGRP) receptor is a heterodimer of a family B G-protein-coupled receptor, calcitonin receptor-like receptor (CLR), and the accessory protein receptor activity modifying protein 1. It couples to Gs, but it is not known which intracellular loops mediate this. We have identified the boundaries of this loop based on the relative position and length of the juxtamembrane transmembrane regions 3 and 4. The loop has been analyzed by systematic mutagenesis of all residues to alanine, measuring cAMP accumulation, CGRP affinity, and receptor expression. Unlike rhodopsin, ICL2 of the CGRP receptor plays a part in the conformational switch after agonist interaction. His-216 and Lys-227 were essential for a functional CGRP-induced cAMP response. The effect of (H216A)CLR is due to a disruption to the cell surface transport or surface stability of the mutant receptor. In contrast, (K227A)CLR had wild-type expression and agonist affinity, suggesting a direct disruption to the downstream signal transduction mechanism of the CGRP receptor. Modeling suggests that the loop undergoes a significant shift in position during receptor activation, exposing a potential G-protein binding pocket. Lys-227 changes position to point into the pocket, potentially allowing it to interact with bound G-proteins. His-216 occupies a position similar to that of Tyr-136 in bovine rhodopsin, part of the DRY motif of the latter receptor. This is the first comprehensive analysis of an entire intracellular loop within the calcitonin family of G-protein-coupled receptor. These data help to define the structural and functional characteristics of the CGRP-receptor and of family B G-protein-coupled receptors in general. © 2006 by The American Society for Biochemistry and Molecular Biology, Inc.

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One hundred sixty-eight multiply substituted 1,4-benzodiazepines have been prepared by a five-step solid-phase combinatorial approach using syn-phase crowns as a solid support and a hydroxymethyl-phenoxy-acetamido linkage (Wang linker). The substituents of the 1,4-benzodiazepine scaffold have been varied in the -3, -5, -7, and 8-positions and the combinatorial library was evaluated in a cholecystokinin (CCK) radioligand binding assay. 3-Alkylated 1,4-benzodiazepines with selectivity towards the CCK-B (CCK2) receptor have been optimized on the lipophilic side chain, the ketone moiety, and the stereochemistry at the 3-position. Various novel 3-alkylated compounds were synthesized and [S]3-propyl-5-phenyl-1,4-benzodiazepin-2-one, [S]NV-A, has shown a CCK-B selective binding at about 180 nM. Fifty-eight compounds of this combinatorial library were purified by preparative TLC and 25 compounds were isolated and fully characterized by TLC, IR, APCI-MS, and 1H/13C-NMR spectroscopy.

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Models of visual motion processing that introduce priors for low speed through Bayesian computations are sometimes treated with scepticism by empirical researchers because of the convenient way in which parameters of the Bayesian priors have been chosen. Using the effects of motion adaptation on motion perception to illustrate, we show that the Bayesian prior, far from being convenient, may be estimated on-line and therefore represents a useful tool by which visual motion processes may be optimized in order to extract the motion signals commonly encountered in every day experience. The prescription for optimization, when combined with system constraints on the transmission of visual information, may lead to an exaggeration of perceptual bias through the process of adaptation. Our approach extends the Bayesian model of visual motion proposed byWeiss et al. [Weiss Y., Simoncelli, E., & Adelson, E. (2002). Motion illusions as optimal perception Nature Neuroscience, 5:598-604.], in suggesting that perceptual bias reflects a compromise taken by a rational system in the face of uncertain signals and system constraints. © 2007.

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This study examined antecedents and outcomes of a fourfold taxonomy of work-family balance in terms of the direction of influence (work-family vs. family-work) and type of effect (conflict vs. facilitation). Respondents were full-time employed parents in India. Confirmatory factor analysis results provided evidence for the discriminant validity of M. R. Frone's (2003) fourfold taxonomy of work-family balance. Results of moderated regression analysis revealed that different processes underlie the conflict and facilitation components. Furthermore, gender had only a limited moderating influence on the relationships between the antecedents and the components of work-family balance. Last, work-family facilitation was related to the work outcomes of job satisfaction and organizational commitment.