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Julio J. Lucia 《Applied economics》2013,45(12):1549-1557
This article provides a critical assessment of the line of research that measures speculative and hedging activities in futures markets from volume and open interest data. It makes several contributions. First, a detailed theoretical analysis of the measures proposed in the previous literature as proxies for speculative activity clarifies the circumstances in which they fail, as well as the assumptions that have to be made, when they are used as intended. Second, we propose a new way of combining the volume and the open interest figures, which provides additional information regarding the type of trading activity that takes place in the market on a given date. Finally, we analyse empirically the basic statistical properties of all the ratios when they are applied to real data for some of the stock index futures contracts most actively traded in the world. This empirical analysis shows the diverse behaviour of the ratios when they are applied to a common sample of real data, which confirms our previous theoretical findings. Our contributions should be taken into account when any of the measures is used as a proxy for the relative importance of speculative demand in empirical analyses. 相似文献
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Decisions in Economics and Finance - In this paper, we study a class of markets, among which we can mention agricultural and energy markets, characterized by seasonality, i.e., in which demand... 相似文献
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Gender is an important discriminator of market segment in the service industry. When considering the word-of-mouth (WOM) effect as a powerful tool of the market channel, it is vital to understand the characteristics of gender and to establish different strategies for providing services depending on how males and females deliver their perceptions of service quality to other people. This study examined the differential role of gender on the relationship between core/relational service qualities and WOM. Data from 277 travelers who have stayed in midscale hotels with Food and Beverage were analyzed. The results suggest there are within-gender differences in the effect of service qualities on word of mouth, but there is no significant difference across the genders. 相似文献
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Is greenwashing a concept describing companies using misleading communication or is it co‐constructed in the eye of the beholder? By discussing the literature, we find that existing definitions of greenwashing overemphasize the strategic intention to mislead and do not incorporate unjust allegations. Then, by combining signaling theory with legitimacy theory, we frame the communication process of the greenwashing accusation and the emergence of a negative narrative caused by the accusation and its effect on legitimacy. Hence, in this paper we argue that greenwashing epistemologically is constituted in the eye of the beholder , depending on an external accusation. Following this view, the greenwashing accusation is understood as a distortion factor altering the signal reliability of green messages. Based on our conceptual analysis, we provide a conceptual framework introducing a new typology of case‐based greenwashing (greenwashing , false greenwashing , potential greenwashing and no greenwashing ) and the effects of these types on corporate legitimacy. Finally, we propose a revised definition of greenwashing as co‐creation of an external accusation toward an organization with regard to presenting a misleading green message. Copyright © 2015 John Wiley & Sons, Ltd and ERP Environment 相似文献
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We study the exploitation of a common groundwater resource, first as a static and then as a differential game, in order to take into account the strategic and dynamic interactions among the users of the resource. We suppose that firms can form coalitions or can decide not to cooperate. The non-cooperation regime is characterized by pumping that lead to depletion of the aquifer; the cooperation preserves the resource. Open-loop and feedback equilibria have been computed and compared in order to characterize the existence of cooperators and defectors in water resources management. 相似文献
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Tarcísio Lima Filho Suzana Maria Della Lucia Rondinelli Moulin Lima 《International Journal of Consumer Studies》2017,41(5):518-525
This study aimed to examine the neophobia, knowledge, thoughts, and opinions related to food irradiation among consumers living in a small city in Brazil through the application of a behavioral and sociodemographic questionnaire. It was found that the 271 respondents had little knowledge about the process of food irradiation and had low intent to purchase irradiated food; several consumers associated irradiated food with radioactivity and cancer. Individuals with better knowledge about irradiation and those who are young, single, did not live with children, and had higher levels of education and higher monthly family incomes were more likely to buy irradiated foods than others. These results describe the profile of potential consumers of irradiated foods and the knowledge, thoughts and opinions of the residents of a small city relative to food irradiation. This data could assist industries that irradiate foods to adopt strategies that ensure greater acceptance of their products. 相似文献
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Exit from the high street: an exploratory study of sustainable fashion consumption pioneers 下载免费PDF全文
Sarah Bly Wencke Gwozdz Lucia A. Reisch 《International Journal of Consumer Studies》2015,39(2):125-135
In today's fashion system, dominated by business models predicated on continual consumption and globalized production systems that have major environmental and social impacts, the consumption of ‘sustainable fashion’ takes on an almost paradoxical quality. This paper explores this paradox by focusing on a previously under‐researched group of consumers – ‘sustainable fashion consumption pioneers’ who actively engage and shape their own discourse around the notion of sustainable fashion consumption. These pioneers actively create and communicate strategies for sustainable fashion behaviour that can overcome the nebulous and somewhat paradoxical reality that sustainable development in the fashion industry presents. Specifically, we use passive netnography and semi‐structured interviews to illuminate the role of motivational and contextual factors that help shape these consumers' definitions of sustainable fashion including such key behaviours as purchasing fewer garments of higher quality, exiting the retail market, purchasing only second‐hand fashion goods and sewing or upgrading their own clothing. Central to much of these behaviours is the notion that personal style, rather than fashion, can bridge the potential disconnect between sustainability and fashion while also facilitating a sense of well‐being not found in traditional fashion consumption. As such, our research suggests that for these consumers sustainability is as much about reducing measurable environmental or social impacts as it is about incorporating broader concepts through which to achieve goals beyond the pro‐environmental or ethical. 相似文献
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Emek Basker Lucia Foster Shawn Klimek 《Journal of Economics & Management Strategy》2017,26(4):876-896
We document the adoption of self‐service pumps in U.S. gasoline stations from 1977 to 1992. Using establishment‐level data from the Census of Retail Trade over this period, we show that self‐service stations employ approximately one quarter fewer attendants per pump, all else equal. The work done by these attendants has shifted to customers, biasing upward conventional measures of productivity growth. 相似文献