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101.
Jack Dowie Ph.D. 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》1992,8(4):371-381
One strand of the moral case for the superiority of parimutuel systems of betting over bookmaking emphasises that, as the name implies, the bettors are betting amongst themselves and that there is no discrimination against any individual bettor or groups of bettors. This claim is undermined by three deviations from the pure parimutuel principle found in many systems. Given that there is a close inverse relationship between the income/wealth of bettors and the average odds of the bets they place, the three deviations—higher deductions from long odds (exotic) pools, higher deductions from pools when longer odds horses win and the paying of minimum dividends—each move a parimutuel system in the unethical direction ofregressive taxation. 相似文献
102.
The term “intercurrent events” has recently been used to describe events in clinical trials that may complicate the definition and calculation of the treatment effect estimand. This paper focuses on the use of an attributable estimand to address intercurrent events. Those events that are considered to be adversely related to randomized treatment (eg, discontinuation due to adverse events or lack of efficacy) are considered attributable and handled with a composite estimand strategy, while a hypothetical estimand strategy is used for intercurrent events not considered to be related to randomized treatment (eg, unrelated adverse events). We explore several options for how to implement this approach and compare them to hypothetical “efficacy” and treatment policy estimand strategies through a series of simulation studies whose design is inspired by recent trials in chronic obstructive pulmonary disease (COPD), and we illustrate through an analysis of a recently completed COPD trial. 相似文献
103.
Weitzman M 《Second opinion (Park Ridge, Ill.)》1990,(14):26-38
The notorious experiments on concentration camp prisoners conducted by Nazi scientists produced a body of data still referred to by researchers. The Jewish tradition offers resources for deciding on the morality of using this material. 相似文献
104.
Laurie Mook Jorge Sousa Susan Elgie Jack Quarter 《Nonprofit management & leadership》2005,15(4):401-415
There is a need for an accounting paradigm that properly illustrates the value that nonprofits generate. Much of that value comes from volunteer contributions, which are significant but for the most part are not included in financial accounting statements, even though our research indicates that they account for almost a third of the value added by these organizations. This article reports the results of two studies related to measuring volunteer value in the accounting of nonprofits and then draws some policy implications from the research. The first study, a survey of 156 nonprofits in Canada, found that although about one‐third of the sample kept records of volunteer hours, only 3 percent included a value for them in their accounting statements. The second study, of nonprofit accountants, found that they did not feel that financial accounting statements properly represented the contribution of their organizations. A series of policy recommendations are presented, including suggestions for revising the regulations of accounting bodies for imputing volunteer value and creating accounting statements that better represent the contribution of nonprofits. 相似文献
105.
The relative risk aversion measure that represents the risk preferences of a decision maker depends on the outcome variable
that is used as the argument of the utility function, and on the way that outcome variable is defined or measured. In addition,
the relationship between any two such relative risk aversion measures is determined by the relationship between the corresponding
outcome variables. These well-known facts are used to adjust several reported estimates of relative risk aversion so that
those estimates can be directly compared with one another. After adjustment, the significant variation in the reported relative
risk aversion measures for representative decision makers is substantially reduced.
JEL Classification: D81 相似文献
106.
Jack Black 《Innovation: The European Journal of Social Science Research》2019,32(2):191-210
This article considers whether the 2016 EU referendum can be perceived as an English nationalist movement. Specifically, attention is given to examining how memories of the former British Empire were nostalgically enveloped in anxieties regarding England’s location within the devolved UK state. The comments and work of Enoch Powell and George Orwell are used to help explore the link between nostalgia and anxiety in accounts of English nationalism. Despite their opposing political orientations, when considered together, it is argued that both men provide a unique cross-political perspective on Englishness, empire and nostalgia. By way of exploring these themes in relation to the EU referendum, Aughey’s assertion that English nationalism can be perceived as both a “mood” and “movement” is used to highlight how a sense of English anxiety regarding its lack of national sovereignty (mood), as well as a desire to reclaim this sovereignty by renegotiating trade relations with the “Anglo-sphere” (movement), were conjoined in the popular referendum slogan, “take back control”. In conclusion, it is argued that the contextualization of the referendum can be predicated upon an orientation to empire that steers away from glorifying pro-imperial images of England/Britain, towards a more positive and progressive appropriation of the EU referendum as a statement of national change and belonging. 相似文献
107.
A finite mixture model using the Student's t distribution has been recognized as a robust extension of normal mixtures. Recently, a mixture of skew normal distributions
has been found to be effective in the treatment of heterogeneous data involving asymmetric behaviors across subclasses. In
this article, we propose a robust mixture framework based on the skew t distribution to efficiently deal with heavy-tailedness, extra skewness and multimodality in a wide range of settings. Statistical
mixture modeling based on normal, Student's t and skew normal distributions can be viewed as special cases of the skew t mixture model. We present analytically simple EM-type algorithms for iteratively computing maximum likelihood estimates.
The proposed methodology is illustrated by analyzing a real data example. 相似文献
108.
Jack R. Rayman 《The Career development quarterly》1999,48(2):175-184
This thought-piece reaffirms and updates the 10 “Imperatives for the 90s” articulated in a 1993 issue of The Jossey-Bass New Directions for Student Services Series titled The Changing Hole of Career Services (J. R. Rayman, 1993). In that volume (No. G2), 10 imperatives for the 90s specific to career services in colleges and universities were identified. Some of the issues that seemed critical then remain critical today. Others have been partially resolved and still others have taken on even more importance and urgency. This article reaffirms those 10 imperatives, provides additional support for their legitimacy, and offers speculations about the future. 相似文献
109.
Mohammad Amir ANWAR Jack ONG'IRO ODEO Elly OTIENO 《Revue Internationale du Travail》2023,162(1):27-50
Si les plateformes ont donné du travail à beaucoup d’Africains, les emplois créés sont de mauvaise qualité, comme la pandémie l'a bien montré. Dans ce contexte, les auteurs examinent la situation particulière des chauffeurs VTC en Afrique en s'appuyant sur des entretiens approfondis, réalisés au Kenya, et sur les méthodes de l'ethnographie virtuelle. Ils montrent que ces travailleurs ont recours à un «régime de débrouille», associant résilience, réajustement et résistance. Pour améliorer les conditions de travail et lutter contre la précarité dans le secteur, il faut à la fois que les pouvoirs publics instaurent des cadres réglementaires et que les travailleurs se mobilisent collectivement. 相似文献
110.
Jack R. Meredith 《Long Range Planning》1987,20(6):106-112
This article identifies strategic control as an unexpected difficulty in implementing the ‘factory of the future’ and as a major stumbling block to firms in their automation efforts. The concept of strategic control is discussed and an example is given. The results of a study in this area are then described and used to explain how managers have unknowingly relinquished control of the manufacturing operation. The article concludes with advice for managers in setting up strategic control systems in their firms that will facilitate rather than hinder the progress of factory automation. 相似文献