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51.
A clear research need has been identified to confirm the structural relationships between greening the supplier, enhanced environmental performance and improved competitive advantage, to provide an impetus for firms to green their suppliers. A mail survey was conducted and empirical data of 119 ISO 14001 manufacturing firms in Malaysia was gathered for this study. Structural equation modelling technique was applied in this research article. Results from the analysis, reveal the existence of a positive and significant linkage between green suppliers with both environmental performance and competitive advantage. At the same time, environmental performance has also been shown to positively and significantly affect competitive advantage; while environmental performance plays a partial mediating role between greening the supplier and competitiveness. Such significant finding is especially essential for the manufacturing sector registered with ISO 14001 who intend to enhance their environmental performance and carve a niche competitive edge in the business arena. 相似文献
52.
Philip RosenzweigAuthor vitae 《European Management Journal》1998,16(6):644-652
As a result of rapid foreign investment, many multinational firms now have workforces that are spread across continents and countries, and that include an increasingly complex blend of cultures and nationalities. Their challenge is to capture the benefits of a diverse workforce while also forging necessary consistency around the world. This article explores the concepts of diversity and consistency as they apply to multinational firms, and draws on examples from several leading multinationals to suggest how firms can better manage their global workforces. 相似文献
53.
Juli Atherton Benoit Charbonneau David B. Wolfson Lawrence Joseph Xiaojie Zhou Alain C. Vandal 《Revue canadienne de statistique》2009,37(4):495-513
We investigate Bayesian optimal designs for changepoint problems. We find robust optimal designs which allow for arbitrary distributions before and after the change, arbitrary prior densities on the parameters before and after the change, and any log‐concave prior density on the changepoint. We define a new design measure for Bayesian optimal design problems as a means of finding the optimal design. Our results apply to any design criterion function concave in the design measure. We illustrate our results by finding the optimal design in a problem motivated by a previous clinical trial. The Canadian Journal of Statistics 37: 495–513; 2009 © 2009 Statistical Society of Canada 相似文献
54.
55.
This article investigates the circumstances in which stochastic dominance relations at any finite degree at the household level can be assumed to be preserved at the individual level. We find necessary and sufficient conditions on the common sharing function adopted by households to divide the cake among a “strong” and a “weak” individual. The sharing function which maps the household income into the outcome of the weak individual must belong to the class of utility functions which supports the stochastic order. In addition, the household must follow a compensating rule, meaning that the share of resources devoted to the weak individual increases with household income. Applications to fiscal federalism are also proposed. “All inequality is a source of evil - for by the inferior more is lost in the account of happiness than is gained by the superior” J. Bentham, First Principle preparatory to Constitutional Code, 1822. 相似文献
56.
This paper presents an ergonomic intervention in the petrochemical sector. The scheduled shutdown of one of the gas production sites has led the management to reduce the number of personnel on site, and then to get new recruits and experienced technicians from other sites as the policy for leaving personnel had not been properly planned, resulting in understaffing on site. Workers with seniority on the site, and who are also the most experienced do not accept the way newcomers are induced on site, whereas the management accuses them of resisting change. The intervention consisted in reconnecting local and corporate management through making the work activity visible and linking two sets of data that they held separately. Different types of analyses were made, work demography, decision making processes and tools used by the management, analysis of the building of career and work logics. Those different levels of analysis are gathered in macro-ergonomics, while showing the possible combinations between top down and bottom up approaches. The intervention resulted in concrete changes: HR simulation tool, training organisation, feedback. 相似文献
57.
Frank Vitaro Mara Brendgen Alain Girard Ginette Dionne Michel Boivin 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2018,34(3):881-892
Gambling participation and low academic performance are related during adolescence, but the causal mechanisms underlying this link are unclear. It is possible that gambling participation impairs academic performance. Alternatively, the link between gambling participation and low academic performance could be explained by common underlying risk factors such as impulsivity and socio-family adversity. It could also be explained by other current correlated problem behaviors such as substance use. The goal of the present study was to examine whether concurrent and longitudinal links between gambling participation and low academic performance exist from age 14 to age 17 years, net of common antecedent factors and current substance use. A convenience sample of 766 adolescents (50.6% males) from a longitudinal twin sample participated in the study. Analyses revealed significant, albeit modest, concurrent links at both ages between gambling participation and academic performance. There was also a longitudinal link between gambling participation at age 14 and academic performance at age 17, which persisted after controlling for age 12 impulsivity and socio-family adversity as well as current substance use. Gambling participation predicts a decrease in academic performance during adolescence, net of concurrent and antecedent personal and familial risk factors. 相似文献
58.
Summary In the literature on encompassing [see e.g. Mizon-Richard (1986), Hendry-Richard (1990), Florens-Hendry-Richard (1987)] there
is a basic contradiction: on the one hand it is said that it is not possible to assume that the true distribution belongs
to one of two competing modelM
1 andM
2, but, on the other hand, this assumption is made in the study of encompassing tests. In this paper we first propose a formal
definition of encompassing, we then briefly examine the properties of this notion and we propose encompassing tests which
do not assume that the true distribution belongs toM
1 orM
2; these tests are based on simulations. Finally, generalizing an idea used in the definition of an encompassing test (the
GET test) we propose a new kind of inference, called indirect inference, which allows for estimation and test procedures when
the model is too complicated to be treated by usual methods (for instance maximum likelihood methods); the only assumption
made on the model is that it can be simulated, which seems to be a minimal requirement. This new class of inference methods
can be used in a large number of domains and some examples are given. The present paper is based on Gouriéroux-Monfort (1992),
and Gouriéroux-Monfort-Renault (1993), respectively GM and GMR hereafter.
Invited paper at the Conference on ?Statistical Tests: Methodology and Econometric Applications?, held in Bologna, Italy,
27–28 May 1993. 相似文献
59.
Population Research and Policy Review - In Canada, the immigration selection process gives great importance to education level. However, studies find that given an equivalent level of education,... 相似文献
60.
This study examines the distribution of psychological distress in twelve occupational groups over the decade 1987-1998 in the Quebec workforce. Cross-sectional data from the three phases of the Quebec Health and Social Survey are used with n = 9,450 in 1987, n = 10,947 in 1992 and n = 10,960 in 1998, totalling 31,357 workers aged 15 and over. Occupations are classified according to the Canadian Socio-economic Classification of Occupations. Prevalence estimates for occupational groups are computed and logistic regression analyses are conducted controlling for gender, age and marital status. The results show that the prevalence of workers with psychological distress increased sharply between 1987 and 1992 and declined back in 1998 but still increased compared to 1987. However, only non-qualified white collars, semi-qualified blue collars and male non-qualified blue collars show a significant increment in psychological distress over time. Analysis of the differentials in the prevalence of psychological distress gives greater odds of distress for supervisors, semi-qualified white and blue collar workers compared to upper managers. The odds for occupations are stable over time, gender, age and marital status. The odds of female workers significantly decreased in the three phases. It appears that the restructuring of the work environment and the perturbations in the larger society promoted an increase of psychological distress within definite segments of the workforce. The specific contribution of occupation is limited but supervisors and occupations requiring lower qualifications are more at risk regarding mental health at work. 相似文献