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From Index to Indemnity Insurance Using Digital Technology: Demand for Picture-Based Crop Insurance 利用数字技术从指数到赔偿保险:基于图片的农作物保险需求
Pub Date : 2019-12-16 DOI: 10.2499/p15738coll2.133524
F. Ceballos, B. Kramer
Production risk is pervasive in agriculture, yet smallholder farmers lack access to quality insurance. This is due to asymmetric information in markets for indemnity insurance, and high basis risk, limited trust, and poor understanding of index-based insurance. Digital technologies can help overcome these challenges by improving crop monitoring and yield prediction, allowing insurers to provide products that move towards indemnity insurance. Although this can potentially improve demand, it also comes at the risk of introducing adverse selection. We analyze this trade-off by eliciting willingness to pay for both index-based insurance and picture-based insurance (PBI) for visible crop damage through incentivized auctions with smallholder farmers in northwestern India. Participants reveal a higher willingness to pay for PBI than for index-based coverage. Although at commercial rates, demand remains low for either product, PBI improves demand at the subsidized premium levels maintained by India’s national insurance scheme. Moreover, we find no evidence of adverse selection. We conclude that digital technologies can facilitate a shift from index-based insurance to indemnity insurance. By reducing basis risk and strengthening trust and understanding, this can improve demand for crop insurance.
农业生产风险普遍存在,但小农缺乏获得质量保险的机会。这是由于赔偿保险市场信息不对称、基差风险高、信任有限以及对指数保险的理解不足造成的。数字技术可以通过改善作物监测和产量预测来帮助克服这些挑战,使保险公司能够提供向赔偿保险方向发展的产品。尽管这有可能提高需求,但也有引入逆向选择的风险。我们通过与印度西北部的小农进行激励拍卖,促使他们愿意为可见的作物损害支付基于指数的保险和基于图片的保险(PBI),从而分析了这种权衡。参与者表示,与基于指数的保险相比,他们更愿意为PBI付费。尽管按商业费率计算,对这两种产品的需求仍然很低,但PBI在印度国家保险计划维持的补贴保费水平下改善了需求。此外,我们没有发现逆向选择的证据。我们的结论是,数字技术可以促进从指数保险向赔偿保险的转变。通过降低基差风险和加强信任和理解,这可以提高对作物保险的需求。
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引用次数: 3
Gender and Trade in Africa: Case Study of Niger 非洲的性别与贸易:尼日尔案例研究
Pub Date : 2019-12-05 DOI: 10.2499/9780896293649_08
I. Fofana, S. Odjo, F. Traoré
The evidence on the impact of trade liberalization on gender inequalities is not fully established yet, nor is the impact of gender inequalities on trade policy outcomes. Sociocultural norms, legal barriers, and socioeconomic disadvantages are the main gender-based discrimination that affect the distribution of trade benefits between men and women. This study applied to Niger assesses the distributional effects of trade reforms between men and women and sheds light on the impact of gender-based barriers on the outcome of trade reforms. The Common External Tariff (CET) of the Economic Community of West African States has guided Niger’s trade policy since its implementation in 2015. Thus, the study essentially assesses the impact of the CET reform on gender inequalities in Niger. Focusing on employment levels and earnings, the study finds an increased gender gap under the CET implementation, although the custom union reform leads to positive outcomes for both men and women compared to the baseline. Moreover, gender inequalities result in misallocation of resources in the economy and lead to a loss in economic opportunity for Niger. Thus, closing the gender gap in access to productive resources is likely to generate positive outcomes for Niger.
关于贸易自由化对性别不平等影响的证据尚未完全确定,性别不平等对贸易政策结果的影响也尚未完全确定。社会文化规范、法律障碍和社会经济劣势是影响男女之间贸易利益分配的主要性别歧视。这项适用于尼日尔的研究评估了贸易改革在男女之间的分配效果,并阐明了基于性别的障碍对贸易改革结果的影响。自2015年实施以来,西非国家经济共同体共同对外关税(CET)一直指导着尼日利亚的贸易政策。因此,该研究基本上评估了CET改革对尼日尔性别不平等的影响。关注就业水平和收入,研究发现,尽管与基线相比,关税同盟改革对男性和女性都产生了积极的影响,但在CET实施过程中,性别差距有所扩大。此外,性别不平等导致经济中的资源分配不当,并导致尼日尔失去经济机会。因此,缩小在获得生产资源方面的性别差距可能会给尼日尔带来积极的结果。
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引用次数: 1
Modelling the Economy-Wide Impact of Technological Innovation and Mapping Agricultural Potential: The Case of Malawi 技术创新的全经济影响建模和农业潜力制图:马拉维的案例
Pub Date : 2019-12-04 DOI: 10.2139/ssrn.3498192
Naomi Mathenge, Fousseini Traore, Ismael Fofana
This discussion paper analyzes the economy-wide impact of a series of agricultural innovations in Malawi. Using an agricultural focused computable general equilibrium model disaggregated to reflect Malawi agro-ecological zones, we simulate three scenarios: one involving smallholders catching up to the production frontier, and two scenarios of agronomic innovations consisting in changes in level and application rate of nitrogen. Our results show a positive impact on the economy following an increase in maize yield and production efficiency under the different scenarios.
本文分析了马拉维一系列农业创新对整个经济的影响。利用一个以农业为重点的可计算一般平衡模型,我们对马拉维农业生态区进行了分解,模拟了三种情景:一种是小农追赶生产前沿的情景,另一种是氮素水平和施用量变化的农学创新情景。我们的研究结果表明,在不同的情景下,玉米产量和生产效率的提高对经济产生了积极的影响。
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引用次数: 0
Regulating Food Work: The New Competition for the Household Meal 规范食品工作:家庭膳食的新竞争
Pub Date : 2019-11-11 DOI: 10.2139/ssrn.3478981
C. Arup
This paper examines the roles law plays in the strategies food producers pursue to compete for the distribution and delivery of the household meal. It tracks the producers’ use of liberal labour law when they compete by increasing labour flexibility and reducing labour costs. The concern behind the inquiry is whether the convenience of our household meals might come at the expense of a class of vulnerable food workers. The paper identifies the counter to this liberal law and the points at which it seeks to reassert public labour law standards. By researching the field of meal distribution and delivery, rather than analysing just one law, its case study method aims to show how these contrasting laws relate to each other in the socio-legal field of work and how each law might matter realistically to the future of food work. On the empirical evidence, the study finds that what matters now is the elemental struggle to have food work treated as regular employment. Then, it is a matter, for that employment, that it be protected by the terms and conditions of the appropriate award.
本文考察了法律在食品生产商为争夺家庭膳食的分配和交付而采取的战略中的作用。当生产商通过增加劳动力灵活性和降低劳动力成本来竞争时,它追踪生产商对自由劳动法的使用情况。调查背后的担忧是,我们家庭用餐的便利是否会以牺牲一类脆弱的食品工人为代价。本文指出了对这一自由主义法律的反对,以及它寻求重申公共劳工法标准的要点。通过研究膳食分配和配送领域,而不是仅仅分析一项法律,其案例研究方法旨在展示这些截然不同的法律在工作的社会法律领域如何相互关联,以及每项法律如何对食品工作的未来产生现实影响。根据经验证据,该研究发现,现在重要的是将食品工作视为正常就业的基本斗争。那么,这是一个问题,对于该就业,它受到适当奖励的条款和条件的保护。
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引用次数: 0
Food Transfers, Cash Transfers, Behavior Change Communication and Child Nutrition: Evidence From Bangladesh 粮食转移、现金转移、行为改变沟通和儿童营养:来自孟加拉国的证据
Pub Date : 2019-09-26 DOI: 10.2499/p15738coll2.133420
A. Akhter, J. Hoddinott, Shalini Roy
The importance of children’s nutritional status for subsequent human capital formation, the limited evidence of the effectiveness of social protection interventions on child nutrition, and the absence of knowledge on the intra-household impacts of cash and food transfers or how they are shaped by complementary programming motivate this paper. We implemented two, linked randomized control trials in rural Bangladesh, with treatment arms including cash transfers, a food ration, or a mixed food and cash transfer, as well as treatments where cash and nutrition behavior change communication (BCC) or where food and nutrition BCC were provided. Only cash plus nutrition BCC had a significant impact on nutritional status, but its effect on height-for-age z scores (HAZ) was large, 0.25SD. We explore the mechanisms underlying this impact. Improved diets – including increased intake of animal source foods – along with reductions in illness in the cash plus BCC treatment arm are consistent with the improvement we observe in children’s HAZ.
儿童营养状况对后续人力资本形成的重要性、社会保护干预措施对儿童营养的有效性证据有限、缺乏对现金和粮食转移的家庭内部影响以及如何通过补充规划形成这些影响的了解,这些都是本文的动机。我们在孟加拉国农村实施了两项相互关联的随机对照试验,治疗组包括现金转移、食物配给或食物和现金混合转移,以及提供现金和营养行为改变沟通(BCC)或提供食物和营养BCC的治疗。只有现金加营养BCC对营养状况有显著影响,但对身高年龄比z评分(HAZ)的影响较大,为0.25SD。我们将探讨这种影响背后的机制。改善的饮食 -包括增加动物源食品的摄入量 -以及现金加BCC治疗组的疾病减少与我们在儿童 HAZ中观察到的改善一致。
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引用次数: 31
Precision Farming – Concepts and Perspectives 精准农业--概念与视角
Pub Date : 2019-09-25 DOI: 10.30858/zer/112132
R. Beluhova-Uzunova, D. Dunchev
The development of technologies in the 20th century led to evolution of precision agriculture concept. Nowadays, precision farming is usually associated with the use of GPS and satellite navigation, GIS, unmanned airplanes and drones, variable rate of application, as well as complex and sophisticated computer systems and software. On the other hand, the main question is related to the profitability and efficiency of these technologies and the opportunities for their adoption. The main purpose of the research is to investigate the most popular concepts of precision farming and to analyze the technical and economic efficiency of different technologies based on literature review. The results indicate that the adoption of precision farming technologies is closely related to the farmer’s perception of and needs for institutional support. The promotion of precision farming under the Common Agricultural Policy is necessary in order to overcome the number of economic and environmental challenges and ensure sustainable development and green growth.
20 世纪技术的发展导致了精准农业概念的演变。如今,精准农业通常与全球定位系统和卫星导航、地理信息系统、无人驾驶飞机和无人机、可变施肥量以及复杂精密的计算机系统和软件的使用联系在一起。另一方面,主要问题与这些技术的盈利能力和效率以及采用这些技术的机会有关。研究的主要目的是调查最流行的精准农业概念,并在文献综述的基础上分析不同技术的技术和经济效益。结果表明,精耕技术的采用与农民对制度支持的认知和需求密切相关。为了克服一系列经济和环境挑战,确保可持续发展和绿色增长,有必要在共同农业政策下推广精准农业。
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引用次数: 16
The Local Institutions and Transaction Costs of Public Aid in the Process of Agriculture Modernisation 农业现代化进程中的地方制度与公共援助的交易成本
Pub Date : 2019-06-25 DOI: 10.30858/ZER/109922
D. Kusz
The main goal of the paper was to determine local institutions (organizations) and assessment of the level of private transaction costs incurred by beneficiaries of public aid related to the modernization of farms. The research was held in 2012 among 129 farms, which in 2004-2011 benefited from public financial aid in their investment activity. The selected farms were researched with the use of interview questionnaire concerning organisation of farms, obtained economic results, assessment of executed investments and relations of farmers with local institutions of the agricultural environment and the level of transaction costs. An estimation of the level of private transaction costs related to the public aid received in the investment activity was mad, on the basis of information obtained from farmers as part of the interview conducted using the questionnaire. It was found that for farmers the most important in the modernization process of farms were the Centre for Advisory Agricultural Service (CASS) and The Agency for Restructuring and Modernization of Agriculture (ARMA). According to the farmers’ opinion, the main barriers to cooperation with local organizations were the high costs of using their services and the difficult access to the institutions. The estimated level of private transaction costs incurred by the beneficiaries in relation to the acquired investment subsidies was low and should not constitute a barrier to obtaining public aid in the process of modernization of farms. On farms characterized by a lower value of investment outlays, the level of private transaction costs in relation to the acquired investment subsidies was higher than in other groups of farms. The largest share in the structure of estimated private transaction costs was related to the costs of collecting documentation and filling in applications.
该文件的主要目标是确定地方机构(组织)和评估与农场现代化有关的公共援助受益人所产生的私人交易成本水平。这项研究于2012年在129个农场中进行,这些农场在2004-2011年的投资活动中受益于公共财政援助。对选定的农场进行了调查,调查涉及农场组织、获得的经济成果、执行投资的评估以及农民与当地农业环境机构的关系和交易成本水平。对投资活动中获得的公共援助相关的私人交易成本水平进行了估计,其依据是在使用问卷进行访谈时从农民那里获得的信息。研究发现,对农民来说,农场现代化进程中最重要的是农业咨询服务中心(CASS)和农业结构调整和现代化机构(ARMA)。根据农民的意见,与当地组织合作的主要障碍是使用其服务的费用高和难以进入这些机构。受益人因获得投资补贴而招致的私人交易费用估计水平很低,不应成为在农场现代化进程中获得公共援助的障碍。在投资支出价值较低的农场,与获得的投资补贴有关的私人交易成本水平高于其他类别的农场。在估计的私人交易费用结构中所占的最大份额与收集文件和填写申请的费用有关。
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引用次数: 0
Certifier Competition and Audit Grades 认证机构竞争及审核职系
Pub Date : 2019-04-13 DOI: 10.2139/ssrn.3371279
Yuqing Zheng, Talia Bar
Third party certification bodies audit companies to determine compliance with standards. We introduce a model of oligopoly competition between certification bodies, showing that a higher degree of certification body competition results in higher grades. We empirically test this hypothesis using panel data from the British Retail Consortium food program, a leading international food safety standard for food manufacturers, and find evidence that a higher degree of competition between certification bodies is associated with higher audit grades. Grades are lower the first time manufacturers certify, suggesting certification may improve food safety practices. Producers with multiple certified sites obtain higher grades.
第三方认证机构审核公司以确定是否符合标准。我们引入了一个认证机构之间寡头垄断竞争的模型,表明认证机构竞争程度越高,评级越高。我们使用来自英国零售协会食品计划(食品制造商的领先国际食品安全标准)的面板数据对这一假设进行了实证检验,并发现认证机构之间竞争程度越高,审核等级越高的证据。制造商第一次认证的等级较低,这表明认证可能会改善食品安全实践。拥有多个认证站点的生产者获得更高的等级。
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引用次数: 0
Micro-Brew, Macro-Fees: Texas Law Favors Beer Distributors While Curbing Growth and Investment in the Nation's Third Largest Craft Beer Market 微酿,宏观收费:德克萨斯州法律有利于啤酒经销商,同时抑制了全国第三大精酿啤酒市场的增长和投资
Pub Date : 2019-04-04 DOI: 10.2139/ssrn.3412197
Daniel Pellegrin, Jr.
Surveys the history of the three tier system within the alcohol industry and Texas laws and regulations specifically related to the manufacture and distribution of beer. Discusses how the growth of the craft beer market has changed the industry and how recent legislation, including SB518, 83rd Regular Session, is affecting growth.
调查酒精行业的三层体系的历史和德克萨斯州的法律法规,特别是有关啤酒的制造和分销。讨论精酿啤酒市场的增长如何改变了行业,以及最近的立法,包括SB518,第83届常会,是如何影响增长的。
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引用次数: 0
Access Before Evidence and the Price of the FDA's New Drug Authorities 证据前获取和FDA新药授权的价格
Pub Date : 2019-03-04 DOI: 10.2139/SSRN.3346574
Erika Lietzan
Sometimes drug innovation seems to happen in reverse. Patients enjoy a treatment for years even though the treatment has not been approved by FDA or proven safe and effective to FDA's standards. (Sometimes this happens because FDA has declined to take enforcement action.) The agency encourages companies to perform the work necessary to satisfy the U.S. "gold standard" for "new drug" approval, however, by promising exclusivity in the marketplace. When a company does this work, at considerable expense, the results are predictable. The new drug is expensive, and patients and payers (and sometimes policymakers) are outraged. To them, it seems like nothing more than a sudden and significant price increase in a drug that was already widely available. This reverse sequence happens regularly. Doctors all over the country prescribe medicines for a variety of ailments, not realizing the medicines are supposed to be approved by FDA -- but haven't been. Every time a company finally does the research that FDA requires and enjoys the reward of exclusivity in the marketplace, the public cries foul. Today doctors administer fecal microbiota therapy, using an unapproved stool preparation that has been shipped by a company in Massachusetts. But companies are studying new drugs based on the principle. A recent New York Times article described the looming controversy, quoting doctors and patients who seem to question whether the new drug approval process will be worth its cost. These scenarios force us to confront basic questions about the cost and the benefit of the "new drug" framework. This Article examines the new drug authorities with fresh eyes, with the added benefit of these unusual scenarios where in a sense the gate keeping mechanism has failed. Its principal insights are that, in addition to ensuring the production of high quality evidence about treatments in the marketplace, the new drug authorities (1) ensure the disclosure -- and provide a mechanism for close regulation of the disclosure -- of that information, and (2) give federal regulators a leash on new drugs, and the companies who market them, through the life cycle of those drugs. It explores the costs of error and delay associated with new drug approval and alternatives that some scholars and policymakers have proposed, ultimately arguing that -- though aspects may need tweaking -- the new drug approval paradigm is worthwhile. But these access-before-evidence scenarios bring home the point that the new drug approval standard does not, itself, ensure high quality innovation is performed. Something else must provide the encouragement. It concludes that those who object to temporary exclusivity for new medicines that complete the approval process (and the high prices they make possible for a while) must ask themselves whether they value the new drug framework (including good evidence) as much as they thought.
有时候,药物创新似乎是逆向进行的。患者享受治疗多年,即使治疗没有被FDA批准或证明安全有效的FDA的标准。(有时发生这种情况是因为FDA拒绝采取执法行动。)该机构鼓励企业开展必要的工作,以满足美国的要求然而,“新药”审批的“黄金标准”是通过承诺在市场上的排他性。当一家公司以相当大的代价做这项工作时,结果是可以预测的。这种新药价格昂贵,病人和付款人(有时还有政策制定者)都感到愤怒。对他们来说,这似乎只不过是一种已经广泛可用的药物突然大幅涨价。这种相反的顺序经常发生。全国各地的医生都在为各种各样的疾病开药,却没有意识到这些药物应该得到美国食品和药物管理局的批准——但实际上并没有。每当一家公司最终完成了FDA要求的研究,并在市场上享有排他性的奖励时,公众就会大喊大叫。今天,医生们使用马萨诸塞州一家公司运送的未经批准的粪便制剂来进行粪便微生物群治疗。但制药公司正在研究基于这一原理的新药。《纽约时报》最近的一篇文章描述了这一迫在眉睫的争议,文中引用了医生和患者的话,他们似乎在质疑新药审批过程是否物有所值。这些情景迫使我们面对关于“新药”框架的成本和收益的基本问题。本文以全新的视角考察了新的药品监管机构,并从这些不寻常的情况中获得了额外的好处,在某种意义上,守门机制已经失败了。它的主要观点是,除了确保在市场上提供高质量的治疗证据外,新药监管机构(1)确保信息披露——并提供一种机制来密切监管信息披露;(2)在新药的整个生命周期内,对联邦监管机构和销售新药的公司施加约束。它探讨了一些学者和政策制定者提出的与新药批准和替代方案相关的错误和延迟的成本,最终认为——尽管某些方面可能需要调整——新药批准范式是值得的。但是,这些“先有证据”的情况表明,新药审批标准本身并不能确保高质量的创新得到实施。一定有别的东西提供了鼓励。它的结论是,那些反对完成审批程序的新药的临时独占性(以及它们在一段时间内可能造成的高价)的人必须问自己,他们是否像他们想象的那样重视新药框架(包括良好的证据)。
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引用次数: 3
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Food Laws
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