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Does Climate Variability Influence Internal Migration Flows in Senegal? An Empirical Analysis 气候多变性是否影响塞内加尔的国内移民潮?实证分析
Pub Date : 2024-07-23 DOI: 10.1177/10704965241258075
Alassane Diallo
This paper aims to estimate the total effect of climate variability on interregional migration flows in Senegal. We match regional climate data at origin, represented by normalised rainfall and normalised temperatures (maximum and minimum), with regional migration flow data from Senegal’s Agence Nationale de la Statistique et de la Démographie (ANSD) censuses to construct a panel database covering the five-yearly internal migration waves of 1976, 1988, 2001 and 2013. Using a gravity equation model where migration flows are explained by measures of climatic variability at origin, controlled for geographical, socioeconomic and demographic factors traditionally identified in the literature. Our results show that only negative precipitation anomalies at the origin area act as a push factor and accelerate emigration. In the predominantly agricultural regions, rainfall deficits appear, alongside traditional socioeconomic variables, as an additional significant factor shaping mobility across the country.
本文旨在估算气候多变性对塞内加尔地区间移民潮的总体影响。我们将以归一化降雨量和归一化气温(最高值和最低值)为代表的原产地区域气候数据与塞内加尔国家统计和人口局(ANSD)人口普查中的区域移民流数据相匹配,构建了一个面板数据库,涵盖了 1976 年、1988 年、2001 年和 2013 年每五年一次的国内移民潮。利用重力方程模型,移民流由原籍地气候多变性指标解释,并控制文献中传统识别的地理、社会经济和人口因素。我们的研究结果表明,只有原籍地的负降水异常才会成为推动因素,加速人口迁出。在以农业为主的地区,降水不足与传统的社会经济变量一起,成为影响全国人口流动的另一个重要因素。
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引用次数: 0
Frugal Innovation and Sustainable Development in Shrimp Farming 养虾业的节俭创新和可持续发展
Pub Date : 2024-07-23 DOI: 10.1177/10704965241266693
Fábio da Silva, Cristine Hermann Nodari, Carlos Dias Chaym
Introduction: This study delves into the intersection of frugal innovations and the Blue Economy, exploring their pivotal role in fostering sustainable development within the shrimp farming sector in Ceará, Brazil. Method: The approach was a case study based on interviews with 14 participants in 12 companies, document analysis, and field visits. Data analysis was qualitative through content analysis with the help of NVivo14 software. Results: The study identifies ten frugal innovations characterized by features that contribute both directly and indirectly to the sustainable development of the shrimp farming sector in the specified region. Conclusion: Examined through the lens of the Blue Economy, the frugal innovations within the East Coast and Vale do Jaguaribe macro-regions in the State of Ceará establish direct and indirect connections with the achievement of Sustainable Development Goals 1, 2, 3, 4, 8, 9, 10, 11, 12, 14, 15, 16, and 17.
导言:本研究深入探讨了节俭创新与蓝色经济的交叉点,探讨了它们在促进巴西塞阿拉州对虾养殖业可持续发展中的关键作用。研究方法:采用案例研究的方法,对 12 家公司的 14 名参与者进行了访谈,并进行了文件分析和实地考察。在 NVivo14 软件的帮助下,通过内容分析对数据进行定性分析。研究结果研究确定了十项节俭创新,其特点是直接和间接促进了特定地区对虾养殖业的可持续发展。结论从蓝色经济的角度来看,塞阿拉州东海岸和 Vale do Jaguaribe 宏观区域的节俭创新与实现可持续发展目标 1、2、3、4、8、9、10、11、12、14、15、16 和 17 建立了直接和间接的联系。
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引用次数: 0
Exploring the Acceptability and Cost-Effectiveness of Plastic Bottle Waste Bricks in Nigeria’s Construction Sector: A Stakeholder Perspective 探索尼日利亚建筑行业对塑料瓶废砖的接受程度和成本效益:利益相关者视角
Pub Date : 2024-07-20 DOI: 10.1177/10704965241260552
O. Solaja, O. D. Onafeso, O. Adelowokan, A. Dina, Adegbayi M. Hassan, Olusola S. Aluko-Arowolo, Olufemi O. Adeyemi, O. B. Adetola
This study addresses a significant research gap by investigating the acceptability and cost-effectiveness of plastic bottle waste (PBW) bricks in Nigeria’s construction sector. Despite their potential environmental and economic benefits, there is limited comprehensive research on the factors influencing PBW brick adoption in Nigeria. The study aims to fill this void by exploring the acceptability and cost-effectiveness of PBW bricks in Nigeria, utilizing economic cost, environmental use, and gratifications theories for theoretical explanations. Through a cross-sectional survey design and inferential statistical methods, the study reveals a growing recognition of PBW bricks’ environmental benefits, alongside identifying cost factors and transportation costs as significant determinants of PBW brick production costs. These findings contribute valuable insights for policymakers, industry stakeholders, and researchers interested in promoting sustainable construction practices in Nigeria.
本研究通过调查尼日利亚建筑行业对塑料瓶废料砖(PBW)的接受程度和成本效益,填补了一项重要的研究空白。尽管塑料瓶废料砖具有潜在的环境和经济效益,但有关影响尼日利亚采用塑料瓶废料砖的因素的综合研究却十分有限。本研究旨在利用经济成本、环境使用和满足理论进行理论解释,探讨尼日利亚对塑料瓶废料砖的接受程度和成本效益,从而填补这一空白。通过横截面调查设计和推理统计方法,该研究揭示了人们越来越认可生化酚醛砖的环境效益,同时确定成本因素和运输成本是生化酚醛砖生产成本的重要决定因素。这些研究结果为政策制定者、行业利益相关者以及对促进尼日利亚可持续建筑实践感兴趣的研究人员提供了宝贵的见解。
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引用次数: 0
Land Accumulation and Economic Efficiency in Extensive Black Tiger Shrimp Farming in the Vietnamese Mekong Delta 越南湄公河三角洲黑虎虾集约化养殖的土地积累和经济效益
Pub Date : 2024-07-18 DOI: 10.1177/10704965241266690
N. T. Trang, Dung Tran Duc, V. Tu
Amid population growth and a shift from extensive to intensive shrimp farming, there may be a future reduction in extensive shrimp farming and mangrove forest areas. Understanding the correlation between land accumulation, economic efficiency, and potential losses is crucial. This study interviewed 311 black tiger shrimp farmers in the Mekong Delta, using one-step stochastic frontier analysis to estimate efficiency and investigate these correlations. Findings indicate an average economic efficiency of 82%, suggesting an 18% reduction in observed total costs. Economic losses, estimated at 82–465 USD/ha, were primarily seen in households with land areas below 2 ha. A positive correlation between land accumulation and economic efficiency suggests that maintaining a minimum pond area of 2 ha enhances income and mitigates losses. The study highlights the need for policies supporting land consolidation among shrimp farmers to achieve optimal pond sizes, reducing losses, and improving profitability, while promoting sustainable practices to balance shrimp farming with mangrove conservation.
随着人口的增长和对虾养殖从粗放型向集约型转变,未来粗放型对虾养殖和红树林面积可能会减少。了解土地积累、经济效益和潜在损失之间的相互关系至关重要。本研究采访了湄公河三角洲的 311 位黑虎虾养殖户,采用一步随机前沿分析法估算效率并研究这些相关性。研究结果表明,平均经济效益为 82%,表明观察到的总成本降低了 18%。经济损失估计为 82-465 美元/公顷,主要出现在土地面积低于 2 公顷的家庭。土地积累和经济效益之间的正相关性表明,保持 2 公顷的最低池塘面积可增加收入并减少损失。这项研究强调,有必要制定政策,支持虾农进行土地整合,以实现最佳池塘面积,减少损失,提高盈利能力,同时推广可持续做法,在养虾与红树林保护之间取得平衡。
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引用次数: 0
Synthesising and Conceptualising Circular Supply Chains: A State-of-the-Art Literature Review 综合和概念化循环供应链:最新文献综述
Pub Date : 2024-02-09 DOI: 10.1177/10704965241231553
Chiranjit Das
The advent of the circular economy principle has triggered supply chain transformation in recent years. This article aims to conduct a state-of-the-art review of circular supply chains. To this aim, 91 peer-reviewed published journal articles from academic databases were collected and evaluated using an inductive approach. The study findings are classified into multiple dimensions of circular supply chains. These include designing products for circular supply chains, supply chain integration, digital transformation for circular supply chains, end-of-life management and circular supply chain capabilities. The study’s contribution is to analyse multiple issues and develop unique propositions of the circular supply chain. In the future, this study may be extended to specific dimensions such as digital transformation, supply chain collaboration and critical success factors of the circular supply chain.
近年来,循环经济原则的出现引发了供应链转型。本文旨在对循环供应链进行最新综述。为此,我们从学术数据库中收集了 91 篇经同行评审的期刊论文,并采用归纳法对其进行了评估。研究结果分为循环供应链的多个方面。其中包括循环供应链产品设计、供应链整合、循环供应链数字化转型、报废管理和循环供应链能力。本研究的贡献在于分析了多个问题,并提出了循环供应链的独特主张。未来,这项研究可能会扩展到具体的方面,如数字化转型、供应链协作和循环供应链的关键成功因素。
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引用次数: 0
Synthesising and Conceptualising Circular Supply Chains: A State-of-the-Art Literature Review 综合和概念化循环供应链:最新文献综述
Pub Date : 2024-02-09 DOI: 10.1177/10704965241231553
Chiranjit Das
The advent of the circular economy principle has triggered supply chain transformation in recent years. This article aims to conduct a state-of-the-art review of circular supply chains. To this aim, 91 peer-reviewed published journal articles from academic databases were collected and evaluated using an inductive approach. The study findings are classified into multiple dimensions of circular supply chains. These include designing products for circular supply chains, supply chain integration, digital transformation for circular supply chains, end-of-life management and circular supply chain capabilities. The study’s contribution is to analyse multiple issues and develop unique propositions of the circular supply chain. In the future, this study may be extended to specific dimensions such as digital transformation, supply chain collaboration and critical success factors of the circular supply chain.
近年来,循环经济原则的出现引发了供应链转型。本文旨在对循环供应链进行最新综述。为此,我们从学术数据库中收集了 91 篇经同行评审的期刊论文,并采用归纳法对其进行了评估。研究结果分为循环供应链的多个方面。其中包括循环供应链产品设计、供应链整合、循环供应链数字化转型、报废管理和循环供应链能力。本研究的贡献在于分析了多个问题,并提出了循环供应链的独特主张。未来,这项研究可能会扩展到具体的方面,如数字化转型、供应链协作和循环供应链的关键成功因素。
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引用次数: 0
Unpacking the Food Security Crisis in the Ecologically Fragile and Conflict-Ridden Lake Chad Basin: Interrogating NGOs' Response to the Climate Change-Security Nexus 解读生态脆弱、冲突频发的乍得湖流域的粮食安全危机:探讨非政府组织应对气候变化与安全之间关系的措施
Pub Date : 2024-02-02 DOI: 10.1177/10704965241231550
L. Fonjong, J. Wanki
A 2018 United Nations report [Citation need] highlights the growing need for funding and assistance to the Lake Chad Basin (LCB). The food security crisis in the LCB is a blend of complex factors relating to the declining water of Lake Chad and protracted insecurity fanned by Boko Haram insurgency. Unfortunately, development agencies sometimes focus less on how the climate change-insecurity nexus is becoming increasingly consequential in explaining the LCB’s profile in fragility. This paper considers the extent to which international agencies and nongovernmental organizations (INGOs) respond to multiple crises, integrating both climate change and security facets in their analysis and response to the food crisis besetting the LCB. Findings from interviews in Cameroon, Chad, and Niger reveal that NGOs fail to sufficiently take climate change into account in their policies and strategies, in that many food assistance programs are climate change neutral in content and focus.
一份 2018 年联合国报告[引文需要]强调,乍得湖流域(LCB)对资金和援助的需求日益增长。乍得湖流域的粮食安全危机由乍得湖水量减少和 "博科哈拉姆 "组织叛乱引发的长期不安全等复杂因素共同造成。遗憾的是,发展机构有时较少关注气候变化与不安全之间的关系如何在解释乍得湖流域脆弱性方面变得越来越重要。本文探讨了国际机构和非政府组织(INGOs)应对多重危机的程度,在分析和应对困扰中部非洲盆地的粮食危机时综合考虑了气候变化和安全因素。在喀麦隆、乍得和尼日尔的访谈结果显示,非政府组织未能在其政策和战略中充分考虑气候变化,因为许多粮食援助项目在内容和重点上都没有考虑气候变化。
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引用次数: 0
Unpacking the Food Security Crisis in the Ecologically Fragile and Conflict-Ridden Lake Chad Basin: Interrogating NGOs' Response to the Climate Change-Security Nexus 解读生态脆弱、冲突频发的乍得湖流域的粮食安全危机:探讨非政府组织应对气候变化与安全之间关系的措施
Pub Date : 2024-02-02 DOI: 10.1177/10704965241231550
L. Fonjong, J. Wanki
A 2018 United Nations report [Citation need] highlights the growing need for funding and assistance to the Lake Chad Basin (LCB). The food security crisis in the LCB is a blend of complex factors relating to the declining water of Lake Chad and protracted insecurity fanned by Boko Haram insurgency. Unfortunately, development agencies sometimes focus less on how the climate change-insecurity nexus is becoming increasingly consequential in explaining the LCB’s profile in fragility. This paper considers the extent to which international agencies and nongovernmental organizations (INGOs) respond to multiple crises, integrating both climate change and security facets in their analysis and response to the food crisis besetting the LCB. Findings from interviews in Cameroon, Chad, and Niger reveal that NGOs fail to sufficiently take climate change into account in their policies and strategies, in that many food assistance programs are climate change neutral in content and focus.
一份 2018 年联合国报告[引文需要]强调,乍得湖流域(LCB)对资金和援助的需求日益增长。乍得湖流域的粮食安全危机由乍得湖水量减少和 "博科哈拉姆 "组织叛乱引发的长期不安全等复杂因素共同造成。遗憾的是,发展机构有时较少关注气候变化与不安全之间的关系如何在解释乍得湖流域脆弱性方面变得越来越重要。本文探讨了国际机构和非政府组织(INGOs)应对多重危机的程度,在分析和应对困扰中部非洲盆地的粮食危机时综合考虑了气候变化和安全因素。在喀麦隆、乍得和尼日尔的访谈结果显示,非政府组织未能在其政策和战略中充分考虑气候变化,因为许多粮食援助项目在内容和重点上都没有考虑气候变化。
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引用次数: 0
Achieving Carbon-Neutrality in MENA Countries: Does Financial Inclusion Matter? 中东和北非国家实现碳中和:金融包容性重要吗?
Pub Date : 2024-01-07 DOI: 10.1177/10704965231225780
Rabie Said, A. Acheampong
This study examines the relationship between financial inclusion, renewable energy, and CO2 emissions using data from 11 Middle East and North Africa (MENA) countries from 2004 to 2019. Evidence from fixed effects-ordinary least squares (FE-OLS), dynamic ordinary least squares (DOLS), fully modified ordinary least squares (FMOLS), and canonical correlation regression (CRR) showed that financial inclusion contributes significantly to decarbonization. Country-specific analysis indicated that financial inclusion is associated with mitigating CO2 emissions in Egypt, Israel, Qatar, and Tunisia while significantly spurring CO2 emissions in Algeria, Lebanon, and Saudi Arabia. In addition, renewable energy contributes significantly to decarbonization in MENA, especially in Algeria, Lebanon, Tunisia, and Turkey. We recommend that policies promoting financial inclusion and renewable energy usage would contribute to the attainment of the carbon-neutrality goal by MENA countries.
本研究使用 11 个中东和北非(MENA)国家 2004 年至 2019 年的数据,研究了金融包容性、可再生能源和二氧化碳排放之间的关系。来自固定效应-普通最小二乘法(FE-OLS)、动态普通最小二乘法(DOLS)、完全修正普通最小二乘法(FMOLS)和典型相关回归(CRR)的证据表明,普惠金融对去碳化有显著促进作用。国别分析表明,在埃及、以色列、卡塔尔和突尼斯,普惠金融与减少二氧化碳排放有关,而在阿尔及利亚、黎巴嫩和沙特阿拉伯,普惠金融则极大地刺激了二氧化碳排放。此外,可再生能源对中东和北非地区的去碳化贡献巨大,尤其是在阿尔及利亚、黎巴嫩、突尼斯和土耳其。我们建议,促进金融包容性和可再生能源使用的政策将有助于中东和北非国家实现碳中性目标。
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引用次数: 0
Digitalization, Spillover and Environmental, Social, and Governance Performance: Evidence From China 数字化、溢出效应与环境、社会和治理绩效:来自中国的证据
Pub Date : 2024-01-03 DOI: 10.1177/10704965231225781
Jiagfeng Gu
There is growing interest in the relationship between digitalization and environmental, social, and governance (ESG) performance, but existing research focuses on the one-way relationship and ignores the two-way mechanism. Based on a sample of 3335 listed companies in China in 2020, this study adopts a spatial simultaneous equation model to investigate the bidirectional mechanism between companies’ digitalization and ESG performance. The results show that digitalization and ESG performance have a significant positive two-way mechanism; digitalization enhances ESG performance, while ESG performance promotes digitalization. The results also indicate a significant positive intra-industry spillover effect for both digitization and ESG performance. Further research shows that the relationship between digitization and ESG performance does not differ depending on the definition of spatial weights, however, the spillover effects do differ depending on the definition of spatial weights.
数字化与环境、社会和治理(ESG)绩效之间的关系日益受到关注,但现有研究侧重于单向关系,忽视了双向机制。本研究以 2020 年中国 3335 家上市公司为样本,采用空间同步方程模型研究企业数字化与 ESG 绩效之间的双向机制。结果表明,数字化与 ESG 绩效之间存在显著的正向双向机制:数字化提升 ESG 绩效,ESG 绩效促进数字化。研究结果还表明,数字化和 ESG 绩效都具有显著的正向行业内溢出效应。进一步的研究表明,数字化与环境、社会和治理绩效之间的关系并不因空间权重的定义而有所不同,但溢出效应却因空间权重的定义而有所不同。
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引用次数: 0
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The Journal of Environment & Development
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