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101.
Govind S. Mudholkar Philip A. Smethurst 《Australian & New Zealand Journal of Statistics》1990,32(2):129-138
If the asymptotic normality of a statistic is inadequate for approximating its distribution in practice, then the statistic may be transformed in order to improve the approximation by accelerating the convergence to normality. We treat a goodness-of-fit statistic, the sum of the logarithms of generalized uniform spacings introduced by Cressie (1976, 1978), in this spirit. Specifically, we apply the method of maximum likelihood to simulations of the statistic in order to estimate a power transformation, as in Box & Cox (1964), and hence develop a small sample normal approximation. This approximation provides a more versatile method of applying the statistic than currently available tables of percentiles. 相似文献
102.
103.
Despite the hype surrounding the value‐added potential of e‐business for contemporary firms, the recent technology downturn was marked by poor customer satisfaction from investment in e‐business initiatives. An apparent mismatch between customer expectations and vendor offerings suggested a lack of appropriate methods and techniques for evaluating e‐business. This article draws from a longitudinal research study on the deployment, hosting and integration of application service provisioning (ASP), an e‐business model targeted mainly at small and medium‐sized businesses (SMBs). Using system dynamics as a methodology that addresses the inherent complexity of the ASP model, the article demonstrates how a series of complex inter‐relationships between key performance indicators (KPIs) will impact the business value for customers from ASP vendor products and services. The lessons from this research will be particularly relevant for existing and future ASP vendors and customers. 相似文献
104.
Jo Ellen Patterson Moises Baron Leita McIntosh-Koontz Richard Bischoff 《Journal of marital and family therapy》1997,23(4):445-459
Fledgling therapists who graduate from family therapy traning programs will have to navigate the world of managed care. In this article, faculty of University of San Diego share changes in its accredited training program that prepare students for practice in an increasingly multidisciplinary world where health maintenence organizations and other versions of managed care predominate. The paper touches on contextual issues, provides a detailed outline of coursework presenting basic knowledge and skills involved in clinical pracice in a managed care environment, and comments on clinical placements and the challenge of helping the next generation of clinicans "fit" into the future of health care delivery while maintaining their unique identity as family therapists. 相似文献
105.
Previous researchers have attempted to explain the growth in the size of government over time. Some have observed a “ratchet”
effect and have attributed these observed jumps in the relative size of government to ideological shifts in response to severe
crises. We explain these observed ratchets as the consequence of asymmetries in the response of government employment to the
business cycle. A public-choice oriented model of the employment response to the cycle is developed and applied to state and
local government employment data. The data confirm the presence of ratchet effects that correspond to the business cycle.
Moreover, virtually all of the growth in the ratio of state and local government employment to private employment has occurred
during recessions.
The authors greatly appreciate the extensive comments of Randall 0. Holcombe and the late Richard McHugh on an earlier draft
of this paper. Don Bellantés work on this paper was aided by a grant from the John M. Olin Institute for Employment Practice
and Policy. 相似文献
106.
Philip Bohle 《Work and stress》1997,11(4):369-376
This longitudinal study examined whether the dimensions of hardiness (commitment, control and challenge) predicted psychological symptoms and dissatisfaction with shiftwork, and whether or not the relationships identified were confounded with neuroticism and extraversion. Female nurses were studied during their first 15 months of shiftwork. Thirty-six nurses worked on a 2-shift (day and evening) schedule throughout and 66 transferred from the 2-shift schedule to a 3-shift (day, evening and night) schedule after 6 months. Hardiness, neuroticism, extraversion and symptoms were measured before the respondents began shiftwork (Stage 1). Symptoms and dissatisfaction were measured after 6 months (Stage 2) and 15 months (Stage 3). Multiple regressions indicated that the hardiness dimensions did not predict dissatisfaction at Stages 2 or 3, or symptoms at Stage 3. They also failed to buffer the effect of night-work on symptoms. However, commitment did predict symptoms at Stages 1 and 2 and challenge predicted symptoms at Stage 2. Although these effects were confounded with neuroticism, commitment showed weak evidence of independent prediction. In general, hardiness was a very poor predictor of shiftwork tolerance. 相似文献
107.
108.
Our main objective is to investigate the influence of the bargaining power within a chain on its industry. As a building block, we first discuss the implications of bargaining within a single chain by considering an asymmetric Nash bargaining over the wholesale price (BW). We show that both Manufacturer Stackelberg (MS) and vertical integration (VI) strategies are special cases of the BW contract. We then develop the Nash equilibrium in an industry with two supply chains that use BW. We identify the profit‐maximizing (coordinating) bargaining power within this industry. We show that when a chain is not monopolistic, VI does not coordinate the chain and that the MS contract, where the manufacturer has all the bargaining power, is coordinating when competition is intense. We find that the main determinant of the equilibrium in mature industries is to respond well to the actions of the competing chain rather than to directly maximize the profit of each chain. That is, the equilibrium does not necessarily maximize the profit of the entire industry. While a coordination of the industry could then increase the profitability of both chains, such a coordination is likely against antitrust law. Moreover, if one chain cannot change its actions, the other chain may unilaterally improve its profitability by deviating from the equilibrium. Our results lead to several predictions supported by empirical findings, such as that in competitive industries chains will work “close to” the MS contract. 相似文献
109.
With the beginning of the Euro Crisis, the long‐standing trend of European financial integration reversed. Investors unwound cross‐border positions of debt obligations and increased holdings of locally issued debt. In other words, debt obligations were repatriated. We use data on bank portfolios to document three new empirical regularities of the financial disintegration: (i) repatriation affected mainly debt of crisis countries; (ii) repatriation affected mainly public debt; (iii) the public debt of crisis countries that was not repatriated was reallocated to large and politically influential countries within the Euro area. We read these results in light of standard theories of cross‐border portfolio allocation and argue that the sum of these patterns constitutes evidence for the secondary market theory of public debt. 相似文献
110.
Laura Wilkinson-Meyers Paul M. Brown Rob McNeill Jeanne Reeve Philip Patston Ronelle Baker 《Disability & Society》2015,30(7):976-990
Disabled people face increased risks of living in poverty largely due to lower incomes and extra resource requirements compared to non-disabled people. This study incorporated the social model of disability with an economic approach to costing to estimate the additional costs required by people with a physical impairment to achieve an adequate standard of living in New Zealand. Budgets estimating the additional equipment, modifications, transport, support and time required to achieve an adequate standard of living were developed and validated through focus groups with community members. The findings suggest that reducing barriers involves substantial costs ranging from NZ$645–$2,348 per week. 相似文献