328 research outputs found

    Determining consumer expectations, attitudes and buying behaviour towards “low input” and organic foods

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    This paper reviews the first results and achievements of the QLIF SP1 “Determining consumer expectations and attitudes towards organic/low input food quality and safety”. The paper aims to illustrate the array of methodologies used and to discuss the ongoing research in light of the first results

    Policy instruments in the Common Agricultural Policy

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    Policy changes in the Common Agricultural Policy (CAP) can be explained in terms of the exhaustion and long-term contradictions of policy instruments. Changes in policy instruments have reoriented the policy without any change in formal Treaty goals. The social and economic efficacy of instruments in terms of evidence-based policy analysis was a key factor in whether they were delegitimized. The original policy instruments were generally dysfunctional, but reframing the policy in terms of a multifunctionality paradigm permitted the development of more efficacious instruments. A dynamic interaction takes place between the instruments and policy informed by the predominant discourses

    Corridor Talk: Conservation Humanities and the Future of Europe’s National Parks

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    Corridor Talk: Conservation Humanities and the Future of Europe’s National Parks is a DFG-AHRC funded project at the Rachel Carson Center for Environment and Society at LMU Munich (Germany), and the University of Leeds (UK). The project focuses on three European transboundary national park areas: the Pyrenees, the Bavarian Forest and Šumava, and the Wadden Sea Biosphere Reserve. It uses comparative literature, visual ethnography and environmental history methodologies to connect insights into human culture, values, history, and behaviour that are central to humanities and social sciences research to nature conservation science and practice. It aims to foster a conservation that is more culturally aware, more aware of human behaviour and values, and more aware of the ethical complexities of its work by applying the “corridor talk” metaphor in three ways: to address and support the material ecological corridors that link protected sites; to address and support the symbolic corridors that connect governance and cultural perspectives on protected sites; and to bring humanities research into discussions on nature conservation

    Beyond the Cost of Price Adjustment: Investments in Pricing Capital

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    Abstract The literature on costs of price adjustment has long argued that changing prices is a complex and costly process. In fact, some authors have suggested that we should think of firms' price-setting activities as "producing" prices, similar to the way firms use production processes to produce goods and services. In this paper we explore one natural extension of this view, that besides observing costs of price adjustment, we should also expect to see firm-level investments in capital expenditures into these "pricing" production processes. We coin the term "pricing capital" for these investments, and suggest that they can improve the efficiency of the "pricing production" activities by both reducing the costs of adjusting prices, and improving the effectiveness of price adjustments in future periods. Using two types of data sources, we find compelling evidence of the existence as well as the importance of pricing capital in firms. The existence of firm-level "pricing capital" has the potential of fundamentally altering the way we think about pricing and price adjustment in many areas of economics. It suggests looking toward the "pricing capital" to decipher the likely degree and causes of price rigidity and its variation across price setters, markets, and industries. Moreover, "pricing capital" introduces a new, higher-level, pricing decision made by individual firms. Decisions to invest in pricing capital compete with traditional capital investment decisions that have long been studied in economics, such as capital investments in plant, equipment, and R&D. Furthermore, since pricing capital is a choice variable, it implies that costs of price adjustment often used in models of price rigidity are endogenous. As such, pricing capital offers new insights into the micro-foundations of the costs of price adjustment. The most provocative implication of the new theory of pricing, however, is that the allocative efficiency of the price system itself may be determined endogenously by individual price setters who choose whether and how much to invest in pricing capital.

    From polyps to pixels: understanding coral reef resilience to local and global change across scales

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    Abstract Context Coral reef resilience is the product of multiple interacting processes that occur across various interacting scales. This complexity presents challenges for identifying solutions to the ongoing worldwide decline of coral reef ecosystems that are threatened by both local and global human stressors. Objectives We highlight how coral reef resilience is studied at spatial, temporal, and functional scales, and explore emerging technologies that are bringing new insights to our understanding of reef resilience. We then provide a framework for integrating insights across scales by using new and existing technological and analytical tools. We also discuss the implications of scale on both the ecological processes that lead to declines of reefs, and how we study those mechanisms. Methods To illustrate, we present a case study from Kāneʝohe Bay, Hawaiʝi, USA, linking remotely sensed hyperspectral imagery to within-colony symbiont communities that show differential responses to stress. Results In doing so, we transform the scale at which we can study coral resilience from a few individuals to entire ecosystems. Conclusions Together, these perspectives guide best practices for designing management solutions that scale from individuals to ecosystems by integrating multiple levels of biological organization from cellular processes to global patterns of coral degradation and resilience

    Settling into an Increasingly Hostile World: The Rapidly Closing “Recruitment Window” for Corals

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    Free space is necessary for larval recruitment in all marine benthic communities. Settling corals, with limited energy to invest in competitive interactions, are particularly vulnerable during settlement into well-developed coral reef communities. This situation may be exacerbated for corals settling into coral-depauperate reefs where succession in nursery microhabitats moves rapidly toward heterotrophic organisms inhospitable to settling corals. To study effects of benthic organisms (at millimeter to centimeter scales) on newly settled corals and their survivorship we deployed terra-cotta coral settlement plates at 10 m depth on the Mesoamerican Barrier Reef in Belize and monitored them for 38 mo. During the second and third years, annual recruitment rates declined by over 50% from the previous year. Invertebrate crusts (primarily sponges) were absent at the start of the experiment but increased in abundance annually from 39, 60, to 73% of the plate undersides by year three. Subsequently, substrates hospitable to coral recruitment, including crustose coralline algae, biofilmed terra-cotta and polychaete tubes, declined. With succession, substrates upon which spat settled shifted toward organisms inimical to survivorship. Over 50% of spat mortality was due to overgrowth by sponges alone. This result suggests that when a disturbance creates primary substrate a “recruitment window” for settling corals exists from approximately 9 to 14 mo following the disturbance. During the window, early-succession, facilitating species are most abundant. The window closes as organisms hostile to coral settlement and survivorship overgrow nursery microhabitats
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