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排序方式: 共有132条查询结果,搜索用时 15 毫秒
1.
《Food Policy》2019
This paper examines how smallholders living in regions where a drought is forecasted adapt their farm practices in response to receiving seasonal forecast information. The article draws on a unique longitudinal dataset in Zambia, which collected information from farm households before and after a significant drought caused by the 2015/2016 El-Niño Southern Oscillation. It finds that farmers residing in areas forecasted to be drought-affected and receiving seasonal forecast information are significantly more likely to integrate drought tolerant crops into their cropping systems compared to similar households not receiving this information. Moreover, the probability that a farmer implements these adaptive farm management strategies in response to seasonal forecast information is found to increase substantially as the number of private grain buyers in the farmers’ village increases. This suggests that climate change adaptation and resilience strategies that integrate the generation and dissemination of weather information with agricultural market development can achieve greater impact on farmers’ adaptive responses than approaches that treat these activities in isolation. 相似文献
2.
In the conceptual framework of adaptation policy assessment to climate change, adaptation measures can be categorized as two groups:facilitation and implementation. Facilitation measures refers to activities that enhance adaptive capacity, while implementation refers to activities that actually avoid adverse climate impacts on a system by reducing its exposure or sensitivity to climatic hazards, or by moderating relevant non-climatic factors. This paper aims to establish a matrix of implementation measures of adaptation to climate change, through four different ways how adaptation can influencc the relevant elements of climate change. reducing the exposure, reducing the sensitivity, alleviating the adverse impacts and reducing the negative non-climatic factors, and then further discuss the particular implementation measures of adaptation to climate change, through application studies on the selected sub-systems, intend to organize the disordered implementation measures in existent, and put forward some new measures under the guidance of this matrix, which could enrich and promote the system and content of implementation measures of adaptation. 相似文献
3.
4.
适应型城市:将适应气候变化与气候风险管理纳入城市规划 总被引:2,自引:0,他引:2
气候变化对城市规划提出新的要求,即:通过人口、土地等资源的时空配置,最大限度地减小城市面临的潜在气候风险。本文从"城市发展如何考虑气候变化与风险管理需求"这一核心问题出发,探讨了气候风险、气候风险管理及适应型城市的概念和内容,指出在中国城市化提升阶段,城市发展迫切需要加强气候风险管理的意识和能力。基于国外城市应对气候变化风险的实践与经验,提出将适应与气候风险管理纳入城市规划,提出构建适应型城市的几个要点。 相似文献
5.
Most definitions of sustainability imply that a system is to be maintained at a certain level, held within certain limits, into the indefinite future. Sustainability denies run-away growth, but it also avoids any decline or destruction. This sustainability path is hard to reconcile with the renewal cycle that can be observed in many natural systems developing according to their intrinsic mechanisms and in social systems responding to internal and external pressures. Systems are parts of hierarchies where systems of higher levels are made up of subsystems from lower levels. Renewal in components is an important factor of adaptation and evolution. If a system is sustained for too long, it borrows from the sustainability of a supersystem and rests upon lack of sustainability in subsystems. Therefore by sustaining certain systems beyond their renewal cycle, we decrease the sustainability of larger, higher-level systems. For example, Schumpeter's theory of creative destruction posits that in a capitalist economy, the collapse and renewal of firms and industries is necessary to sustain the vitality of the larger economic system. However, if the capitalist economic system relies on endless growth, then sustaining it for too long will inevitably borrow from the sustainability of the global ecosystem. This could prove catastrophic for humans and other species. To reconcile sustainability with hierarchy theory, we must decide which hierarchical level in a system we want to sustain indefinitely, and accept that lower level subsystems must have shorter life spans. In economic analysis, inter-temporal discount rates essentially tell us how long we should care about sustaining any given system. Economists distinguish between discount rates for individuals based on personal time preference, lower discount rates for firms based on the opportunity cost of capital, and even lower discount rates for society. For issues affecting even higher-level systems, such as global climate change, many economists question the suitability of discounting future values at all. We argue that to reconcile sustainability with inter-temporal discounting, discount rates should be determined by the hierarchical level of the system being analyzed. 相似文献
6.
The study is one of the first concerned with the topic of accounting and climate change adaptation. It proposes that the accounting role can support organisational climate change adaptation by performing the following functions: (i) a risk assessment function (assessing vulnerability and adaptive capacity), (ii) a valuation function (valuing adaptation costs and benefits) and (iii) a disclosure function (disclosure of risk associated with climate change impacts). This study synthesises and expands on existing research and practice in environmental accounting and sets the scene for future research and practice in the emerging area of accounting for climate risk. 相似文献
7.
The euro illusion is a transient phenomenon that consists of currency-related asymmetries in the intuitive judgment of product
prices made by consumers. The results of a cross-country study in the third year after the introduction of the euro show a
strong price estimation asymmetry in a country with an extreme exchange rate (Italy) and a weaker effect in a country in which
the nominal values of the new and the old currency are much closer (Ireland). These results rule out proposed explanations
of the euro illusion in price estimation that assume the sole influence of plausible anchors (reference prices stored in memory
within the plausible price range), supporting instead accounts also endorsing the role of implausible anchors (reference prices
outside the plausible price range). Beyond contributing to our theoretical understanding of the euro illusion, this research
starts to unveil the interplay between structural factors (i.e., the currency exchange rate) and psychological mechanisms
that produce long-lasting difficulties for consumers after a monetary changeover.
相似文献
Rob RanyardEmail: |
8.
为摸清我省农户、涉农企业银行业服务新需求新趋势,深入分析需求特点和对金融服务满足程度、便利程度,客观评价金融支农支小情况。本文以吉林辽源为例,实地调查了金融服务与需求情况,深入分析了金融服务需求匹配度及原因,并提出对策建议。 相似文献
9.
Salvatore Di Falco Felice Adinolfi Martina Bozzola Fabian Capitanio 《Journal of Agricultural Economics》2014,65(2):485-504
Financial insurance for extreme events can play an important role in hedging against the implications of climate change. This paper combines a comprehensive estimation strategy and a unique panel dataset to study the role of financial insurance in farmers' welfare under uncertainty. Data are drawn from a large Italian farm panel dataset. We find that (i) demand for insurance products is likely to increase in response to climatic conditions, and (ii) that the use of insurance reduces the extent of risk exposure. We also find that farms growing more crops are less likely to adopt the insurance scheme. This confirms what is found in the theoretical literature. Crop diversification can be a substitute for financial insurance in hedging against the impact of risk exposure on welfare. 相似文献
10.
Alan Kirman 《Journal of Economic Interaction and Coordination》2006,1(1):89-117
This paper argues that heterogeneity of agents’ characteristics plays a fundamental role in the economy and should do so in economic models. Three aspects are considered. Firstly the notion that assuming heterogeneity was a solution to the problem posed by the results of Sonnenschein Mantel and Debreu is considered and it is suggested that the more pragmatic approach adopted by Hildenbrand is likely to be more productive. Next the role of adaptation and evolution which necessarily involve variety or heterogeneity is examined. It is suggested that heterogeneity will persist since agents will only slowly learn to adapt and that in the meantime the environment will change. Lastly the role of heterogeneity in financial markets is examined. It is suggested that heterogeneous and varying expectations may account for many of the stylised facts which do not seem to be consistent with the standard financial markets model.“Variety is the spice of life” 相似文献