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61.
Pascal Belan Philippe Michel Pierre Pestieau 《The GENEVA Risk and Insurance Review》1998,23(2):119-125
It is generally accepted that moving from an unfunded to a funded social security system implies a welfare loss for the transition generation—that is, the generation that has to pay twice: first, saving for its own retirement and, second, contributing to the pensions of the then retired generation. This article shows that in a setting of endogenous growth with positive externality such a transition can be Pareto improving. But it argues also that social security reform is more a pretext than a requirement for internalizing such a positive externality. 相似文献
62.
63.
Jean-Luc Loizeau Michel Pardos Fabrice Monna Christophe Peytremann Laurence Haller Janusz Dominik 《Lakes & Reservoirs: Research and Management》2004,9(1):53-63
The Bay of Vidy is the most contaminated area of Lake Geneva, Switzerland, as a result of the release of treated and untreated waste water from the municipal sewage treatment plant of the city of Lausanne and its surroundings. The reconstruction of the historical deposition of heavy metals in the sediment of the bay has been performed by the analysis of several dated (radiocaesium) sediment cores. The presence of sewage‐derived contaminants in the Bay of Vidy since the beginning of the sewage treatment plant's operations in 1964 is clearly observed, when a sharp increase in heavy metal contents is recorded, with maximum concentrations of cadmium, copper, zinc and lead occurring between the late 1960s and early 1970s. Despite considerable improvement in recent times, the present concentrations of the investigated heavy metals in sediments of the Bay of Vidy are still higher than concentrations measured at the centre of the lake, the latter close to Lake Geneva's natural background values. It is concluded that the quantity of heavy metals deposited in the bay is considerable and, because of sediment instability, will constitute a potential hazard for biota. 相似文献
64.
Internet versus bricks-and-mortar retailers: An investigation into intangibility and its consequences 总被引:1,自引:0,他引:1
Michel Laroche Zhiyong Yang Gordon H.G. McDougall Jasmin Bergeron 《Journal of Retailing》2005,81(4):251-267
Intangibility has long been studied as a unidimensional construct with the focus being placed upon the physical element. This paper explores the effects of three unique intangibility dimensions on a consumer's ability to evaluate goods and services, and the perceived risk (PR) associated with the transaction. The authors examine these relationships in purchase environments that include both traditional bricks-and-mortar retailers and the Internet. Their investigation further incorporates prior knowledge as a moderating factor into the proposed framework. This allows for a thorough comparison of the effects and relationships that exist between intangibility and its consequences in general, evaluation difficulty (ED) and perceived risk (PR) in particular. The authors develop hypotheses pertaining to the proposed model and test them with two experiments. The empirical results are broadly supportive of the hypotheses. Theoretical and managerial implications to the services marketing literature are discussed. 相似文献
65.
Wayne S. Desarbo Venkatram Ramaswamy Michel Wedel Tammo Bijmolt 《Marketing Letters》1996,7(2):131-145
We propose an approach for deriving joint space maps of bundle compositions and market segments from three-way (e.g., consumers x product options/benefits/features x usage situations/scenarios/time periods) pick-any/J data. The proposed latent structure multidimensional scaling procedure simultaneously extracts market segment and product option positions in a joint space map such that the closer a product option is to a particlar segment, the higher the likelihood of its being chosen by that segment. A segment-level threshold parameter is estimated that spatially delineates the bundle of product options that are predicted to be chosen by each segment. Estimates of the probability of each consumer belonging to the derived segments are simultaneously obtained. Explicit treatment of product and consumer characteristics are allowed via optional model reparameterizations of the product option locations and segment memberships. We illustrate the use of the proposed approach using an actual commercial application involving pick-any/J data gathered by a major hi-tech firm for some 23 advanced technological options for new automobiles. 相似文献
66.
Previous research suggests that attitudinal resistance to information that challenges a prior evaluation increases with the amount of information underlying the prior evaluation. We revisit this proposition in a context in which a set of important claims about a target brand are presented either alone—a lower amount of isolated information—or along with other favorable, but less important claims—a higher amount of embedded information. Results from two experiments show that when the challenge occurs immediately after the initial evaluation, a greater amount of embedded initial information does produce greater attitudinal resistance. However, when the challenge occurs after a delay, a lesser amount of isolated information produces greater attitudinal resistance. The findings qualify previous assumptions about the role of prior information in attitudinal resistance, and support a constructive view of judgment revision and attitudinal resistance. 相似文献
67.
Marketers are making increasing use of very brief messages that mention just a brand name or a brand name with a short headline, as in event sponsorship and program endorsements. There has been debate over the effectiveness of these advertising fragments. This paper introduces an approach for controlled testing of the effects of advertising fragments. Using a reaction-time based procedure, we show that a key effect of advertising fragments is to revive established brand associations, even though these associations are not explicitly communicated. This reactivation occurs not only when these names receive focal attention, but also when they receive nonfocal attention. 相似文献
68.
Corporate Environmental Disclosure: Contrasting Management's Perceptions with Reality 总被引:2,自引:0,他引:2
This paper's purpose is to assess how management's perceptions regarding certain aspects of environmental reporting relate to the firm's actual reporting strategy. Toward that end, we propose a model where a firm's environmental disclosure is conditional upon executive assessments of corporate concerns. The study relies on a survey that was sent to environmental management executives from European and North American multinational firms enquiring about the determinants of corporate environmental disclosure. Responses from these executives were then contrasted with their firms' actual environmental reporting practices, which was measured using a comprehensive multi-criteria grid. Results show that there is a relationship between environmental managers' attitudes toward various stakeholder groups and how those managers respond to the stakeholders via the decision to disclose and the actual disclosures made. Our model provides a perspective as to how a firm responds to the numerous stakeholders to whom it must be accountable. This accountability in turn relates to how the company communicates its actions to society in order to achieve or maintain its social legitimacy. 相似文献
69.
Saeed Shobeiri Ebrahim Mazaheri Michel Laroche 《International Journal of Consumer Studies》2015,39(2):172-179
This study investigates how the type of offer sold online (goods vs. services) moderates the relationships between perceived experiential values and customers' attitudes towards the website. A sample of 107 e‐shoppers of services and 110 e‐shoppers of physical goods responded to a survey on their most recent e‐shopping experiences. Results support the majority of hypotheses. It was found that although offering experiential values on the site improves customers' attitudes for both physical goods and services websites, the impact is much stronger in the case of services. Theoretical and managerial contributions are discussed. 相似文献
70.
Michel T. Q. M. Assis Markus Tümpel Maria Raquel Lucas Maria José M. Rainho 《EuroChoices》2023,22(1):37-43
During qualitative research on trust, conducted in a mariculture chain in southern Brazil, the theme of informality emerged spontaneously in most interviews. Although it is difficult to measure, some data and estimates point out that informality is still quite present worldwide, but especially in emerging and developing countries, and this situation was confirmed in the studied supply chain. In analysing the narratives, we noticed that this is a chronic issue which bothers the producers that are properly formalised mainly because of unfair competition, and hinders the organisation of the chain. Some factors foster the persistence of informality, such as family labour and temporary jobs, the low educational level of entrepreneurs, lack of adequate supervision and cultural aspects of producers and their families. We could corroborate the perspectives of modernisation (informality is still persistent), neo-liberal (informal entrepreneurs reject the bureaucracy of an over-regulated market) and post-structuralist (informality is a way of life related to identity, social position and/or resistance against the formal structure) theories. Our research has shown us that the situation found is contributing to a reduction in the number of formal producers and impairing the development of that local supply chain, as well as its sustainability. 相似文献