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61.
A random effects ordered response model is used to analyze individuallife satisfaction. It is found that a substantial part of the unexplained variance in theindividual's life satisfaction can be ascribed to the household or marriage. It is further found thatthe age variable should be considered as a random effect on life satisfaction, i.e., an effectthat varies between households. 相似文献
62.
Ulrike Pröbstl-Haider Hannes Antonschmidt Claudia Hödl 《Journal of Sustainable Tourism》2018,26(4):567-582
This paper interrogates the polarized and heated discussions about mountain bike tourism in Austrian forests, with several organizations favoring permitting biking on all forest roads, using claimed tourism development opportunities, while other stakeholders including hikers, hunters and landowners wish to restrict development. An international literature review on the value and impacts of mountain biking shows that both sides have oversimplified complex cases. The paper draws on 12 in-depth interviews with Austrian tourism destination and mountain bike experts to find ways forward. Results suggest that in Austria, bike tourism will increase in the future, supported by new bike technology, including electric bikes and new hand-held route information technology. It notes the complexity of the market for mountain and other forms of cycle tourism, and the pressing need to create not more trails but more sophisticated tourism products, including appealing and well-maintained trails plus attractive leisure infrastructure (bike rental, service and repair facilities, attractive localities, accommodation suited to the mountain bikers’ needs, etc.). Collaborative planning with all stakeholders, better trail construction standards adapted to differing preferences, needs and environmental conditions as well as clear standards for monitoring are prerequisites of an Austrian strategy for sustainable cycle tourism development and management, which can be replicated elsewhere. 相似文献
63.
A function u(z) is a utility function if u′(z) > 0. It is called risk averse if we also have u′′(z) < 0. Some authors, however, require that u
(i)(z) > 0 if i is odd and u
(i)(z) < 0 if i is even. The notion of a multiattribute utility function can be defined by requiring that it is increasing in each variable
and concave as an s-variate function. A stronger condition, similar to the one in case of a univariate utility function, requires that, in addition,
all partial derivatives of total order m should be positive if m is odd and negative if m is even. In this paper, we present a class of functions in analytic form such that each of them satisfies this stronger condition.
We also give sharp lower and upper bounds for E[u(X
1,... , X
s
)] under moment information with respect to the joint probability distribution of the random variables X
1,... , X
s
assumed to be discrete and representing wealths.
Partially supported by OTKA grants F-046309 and T-047340 in Hungary. 相似文献
64.
65.
This paper documents the range of portfolio manager ownership in the funds they manage and examines whether higher ownership is associated with improved future performance. Almost half of all managers have ownership stakes in their funds, though the absolute investment is modest. Future risk-adjusted performance is positively related to managerial ownership, with performance improving by about 3 basis points for each basis point of managerial ownership. These findings persist after controlling for various measures of fund board effectiveness. Fund manager ownership is higher in funds with better past performance, lower front-end loads, smaller size, longer managerial tenure, and funds affiliated with smaller families. It is also higher in funds with higher board member compensation and in equity funds relative to bond funds. Future performance is positively related to the component of ownership that can be predicted by other variables, as well as the unpredictable component. Our findings support the notion that managerial ownership has desirable incentive alignment attributes for mutual fund investors and indicate that the disclosure of this information is useful in making portfolio allocation decisions. 相似文献
66.
Henri?ChristiaansEmail author Kees?Venselaar 《International Journal of Technology and Design Education》2005,15(3):217-236
The present study focuses on the relationship between the acquisition of design knowledge by novice design students and the
quality of their designs. Design learning is typically based on action and reflection. Knowledge of solution processes, being
part of this reflection, is found to be crucial in monitoring and controlling the design process and in reaching an optimal,
creative result. The studies described in this article suggest a close relationship between the amount of process knowledge
– knowledge of managing and monitoring the solution finding process – reported by novice designers, and the creativity of
the designed product. 相似文献
67.
Jean-Franois Henri 《Accounting, Organizations and Society》2006,31(6):529-558
The aim of this study is to examine, from a resource-based perspective, the relationships between the use of management control systems (MCS) and organizational capabilities. More specifically, the study focuses on the diagnostic and interactive uses of one important aspect of MCS, namely performance measurement systems (PMS), and four capabilities leading to strategic choices (i.e., market orientation, entrepreneurship, innovativeness, and organizational learning). Three research questions are investigated in this study: (i) to what extent do the diagnostic and interactive uses of MCS contribute specifically to the creation and maintenance of capabilities leading to strategic choices? (ii) To what extent do the diagnostic and interactive uses of MCS act in combination to produce dynamic tension which contributes to the creation and maintenance of these capabilities? (iii) To what extent does the use of MCS contribute to organizational performance? The results suggest that an interactive use of PMS fosters the four capabilities by focusing organizational attention on strategic priorities and stimulating dialogue. Also, by creating constraints to ensure compliance with orders, the diagnostic use of PMS exerts negative pressure on these capabilities. Furthermore, some evidence suggests the influence of dynamic tension resulting from the balanced use of PMS in a diagnostic and interactive fashion on capabilities and performance. 相似文献
68.
Summary The annual change in the marginal utility of the guilder is numerically specified, together with its two components: the real-income
and the price level components.
Research supported in part by the McKethan-Matherly Eminent Scholar Chair, University of Florida, and the Deutsche Forschungsgemeinschaft
(German Research Foundation). 相似文献
69.
When a random sample of size n from a standard normal population is contaminated by a normal outlier with either a different mean or a different variance, the maximum entropy median outperforms the sample median in terms of squared-error loss. The only exception is when n=3 and the outlier mean or variance is sufficiently different. 相似文献
70.
Henri Theil 《Economics Letters》1979,3(4):373-376
Statistical inference in complete demand systems is usually based on imperfect data. This letter explores some of the implications of these imperfections, in particular for the estimates of income elasticities. 相似文献