Public participation in transport planning is a recent trend. There is an increasing number of cases in Europe where the public is involved in the decision-making process. In Portugal, where the use of a motor vehicle as a means of transportation still enjoys a deep approval in the society, a participatory approach is an opportunity to change perceptions towards more sustainable transport modes. In Ponta Delgada (Archipelago of the Azores), for the first time in Portugal, the relevant stakeholders were involved in the development process of a sustainable mobility plan. It proved that, on a participatory basis, sustainable transport planning provides more satisfactory and efficient solutions. This paper presents the methodology and results of a participative transport management planning model. This model can be adapted to the specific needs and problems of other small island cities. 相似文献
The form of contests for a single fixed prize can be determined by a designer who maximizes the contestants' efforts. This article establishes that, under common knowledge of the two asymmetric contestants' prize valuations, a fair Tullock‐type endogenously determined lottery is always superior to an all‐pay‐auction; it yields larger expected efforts (revenues) for the contest designer. If the contest can be unfair (structural discrimination is allowed), then the designer's payoff under the optimal lottery is equal to his expected payoff under the optimal all‐pay auction. 相似文献
An increasing set of evidence has been reported on how consumers could potentially react to the introduction of genetically modified food. Studies typically contain some empirical evidence and some theoretical explanations of the data, however, to date limited effort has been posed on systematically reviewing the existing evidence and its implications for policy. This paper contributes to the literature by bringing together the published evidence on the behavioural frameworks and evidence on the process leading to the public acceptance of genetically modified (GM) food and organisms (GMOs). In doing so, we employ a set of clearly defined search tools and a limited number of comprehensive key words. The study attempts to gather an understanding of the published findings on the determinants of the valuation of GM food – both in terms of willingness to accept and the willing-to-pay a premium for non-GM food, trust with information sources on the safety and public health and ultimate attitudes underpinning such evidence. Furthermore, in the light of such evidence, we formulate some policy strategies to deal with public uncertainly regarding to GMOs and, especially GM food. 相似文献
Obesity and overweight are central issues in the public health debate in most developed countries. In this debate, some of the socio-economic determinants of obesity and overweight are still relatively unexplored. This paper presents an empirical examination of the possible influence of social interactions on contemporaneous obesity and (over)underweight. A joint estimation model for obesity and self-image is applied to a sample for Spain taken from the European Union household panel for 1998. The results suggest that obesity might be in part a social phenomenon connected to individuals’ social life. 相似文献
The aim of this paper is to analyse the effect of town size on the Spanish demand for food. The methodological approach followed in the study is to use panel data built from the Spanish Quarterly National Expenditure Survey to estimate a demand system. The use of this type of data allows control for unobserved time invariant heterogeneity as well as to take into account the time and the cross-section dimension of data. Four locations are distinguished: (1) less than 10000 inhabitants; (2) between 10000 and 100000 inhabitants; (3) between 100000 and 500000 inhabitants; and (4) more than 500000 inhabitants. Eight broad food categories are considered: (1) cereals and potatoes; (2) meat; (3) fish; (4) dairy products; (5) fats and oils; (6) fruits; (7) vegetables; and (8) other food. Income and price elasticities are calculated for each location. In general terms, two general conclusions can be drawn. First, results indicate that only slight changes in tastes have taken place during the analysed period; second, income and price elasticities use to decrease as town size increases. 相似文献
Social media allows people to freely interact with others and offers multiple ways for marketers to reach and engage with consumers. Considering the numerous ways social media affects individuals and businesses alike, in this article, the authors focus on where they believe the future of social media lies when considering marketing-related topics and issues. Drawing on academic research, discussions with industry leaders, and popular discourse, the authors identify nine themes, organized by predicted imminence (i.e., the immediate, near, and far futures), that they believe will meaningfully shape the future of social media through three lenses: consumer, industry, and public policy. Within each theme, the authors describe the digital landscape, present and discuss their predictions, and identify relevant future research directions for academics and practitioners.
Physical distribution quality can be considered as a differentiation factor and, in this way, as a source of competitive advantage. Nevertheless, there is neither consensus about its dimensions, or on how it might be influenced by technological solutions. The present paper aims at identifying the main antecedents of logistic service quality, examining the influence of technology on logistic service quality and analysing its effects on firm results in terms of customer satisfaction and loyalty in different levels of the marketing channel. The proposed structural equations model is tested empirically in two different samples: 400 consumers and 304 distributors. For both samples, technology assessment shows a positive effect on logistic service quality and this, in turn, generates customer satisfaction and loyalty. 相似文献
This paper characterizes models of ambiguous beliefs in the absence of the completeness axiom. We axiomatize multiple-selves versions of some of the most important examples of complete and ambiguity averse preferences, and characterize when those incomplete preferences are ambiguity averse. 相似文献