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Multi-level driving forces of biological invasions   总被引:2,自引:0,他引:2  
Biological invasions are human-induced processes affecting biodiversity. Information on biological invasions can be organized following the categories of the DPSIR model. This paper examines the state of the art in the application of this model to the study and management of biological invasions.The paper focuses on driving forces and pressures, clarifying the different levels at which drivers operate and promote invasion processes. Identifying driving forces is necessary not only to understand the processes behind biological invasions but also to generate policy initiatives that address threats to biodiversity at different levels of governance. Thus driving forces and pressures on biological invasions are identified taking into account the multi-level character of such processes. The final section reviews the role that different stakeholders play in biological invasion management and finally elaborates a list of indicators derived from the analysis that can be used in decision making concerning invasion processes.  相似文献   
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When pursuing goals, consumers often face setbacks that force them to reevaluate their goals. Yet, current goal theory offers limited explanations for how people respond to recurring challenges and disengage from their goals. Through five experiments investigating three primary theoretical aims, this research extends the field's understanding of action crisis, a possible goal pursuit stage marked by internal conflict over whether or not to continue, and investigates it in consumption contexts such as patient–physician relationships, weight loss diets, and environmentally friendly purchasing. Experiments 1A–1C show that consumer action crisis encourages more disengagement‐related and less continuation‐supportive cost–benefit thinking than nonproblematic action phase. Experiment 2 replicates this cognitive shift, and connects action crisis to diminished goal‐related evaluations and weakened commitment. Experiment 3 further clarifies action crisis’ influence on consumer goal pursuit by revealing decreased cognitive and behavioral engagement that does not involve a shift in construal level when compared to action phase consumers. Extending understanding of action crisis as a possible mindset and action phase, these five experiments advance goal disengagement theory by connecting changes in cognition, motivation, and behavior to action crisis.  相似文献   
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International Advances in Economic Research - This paper analyzes the impact of foreign presence on the probability of exit of host country firms, based on a significant sample of Portuguese...  相似文献   
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Green purchase behaviour is receiving a growing attention in the academic community, as understanding it is crucial for the growing number of companies developing and marketing green products. In order to provide a broader and novel picture of the phenomenon, this study extends the widely used Theory of Planned Behaviour (TPB) model in several ways, through a large survey of Italian consumers. First, three dimensions of green purchase behaviour are considered, namely, the willingness to pay a premium price, the green purchase frequency and the green purchase satisfaction. Second, several antecedents are considered simultaneously. Third, new (consumer creativity) or so far marginally studied (materialism and green practices) antecedents are included. Fourth, the mediating roles of green purchase satisfaction and willingness to pay a premium price in the link between the considered antecedents and the frequency of green purchase are investigated. Results show that the three dimensions of green purchase behaviour have different antecedents, so highlighting that green purchase behaviour is a multi-faceted phenomenon that should not be studied as a single general concept. Personal norms and value for money emerged to be very relevant predictors. The significant effects of creativity, materialism and green practices provide evidence that extending the TPB model with these three antecedents is useful to more deeply understand green purchase behaviour. Green purchase satisfaction is the strongest predictor of purchase frequency and mediates the effects of personal norms and value for money.  相似文献   
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This article traces the flow of municipal solid waste from southern Italy through a waste-to-energy facility and district heating system in Austria, examining the roles that waste's transformation from contaminant to commodity to fuel plays in interconnected, distributed, and contested urbanization processes. It contends that, while metabolic circulation hides socioecological costs in one place to facilitate valorization in another, specific spatial configurations emerge through territorialization—of waste economies, in this case—providing the spatial base to realize metabolic flows and to anchor political narratives. A decisive effect is that certain patterns of urbanization become locked-in, impeding alternative metabolic transitions and spatial configurations. Attending to the coproduction of three sites—Naples, Italy; Zwentendorf, Austria; and St Pölten, Austria—through the circulation and transformation of waste and energy the article provides an empirical multi-sited case study of a political ecology of urbanization.  相似文献   
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This paper provides an empirical analysis of the impact of ESA 2010 on EU member states, looking at countries both individually and as a whole and analysing the global impact of the adjustments and the partial impacts of each category. Changing the system of national accounts has introduced conceptual and methodological changes, but there has not been any significant variation in the convergence/divergence between government financial statistics and budgetary accounting in reporting deficits. The effect on the deficits reported by individual member states was quite marked however.  相似文献   
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The aim of this contribution is to study the role of demographics in the explanation of house prices in the last few decades. Special attention is paid to the role, which has been played by three groups of population that have different necessities in terms of the amount of housing services that they wish to consume: (a) population aged between 25 and 44 years old; (b) population aged between 45 and 64 years old; and (c) retirees. Following our discussion of recent trends in demographics and relevant stylized facts, the construction of a theoretical framework ensues; finally we provide empirical evidence in the case of 17 OECD economies over the period 1970–2013, discuss it in relation to our theoretical framework before we summarize and conclude.  相似文献   
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