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Journal of the Agricultural and Applied Economics Association最新文献

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Agricultural and applied economists' views on pre-registration and pre-analysis plans for empirical research 农业和应用经济学家对实证研究预登记和预分析方案的看法
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-05-01 DOI: 10.1002/jaa2.70011
Carola Grebitus, Wuyang Hu
{"title":"Agricultural and applied economists' views on pre-registration and pre-analysis plans for empirical research","authors":"Carola Grebitus,&nbsp;Wuyang Hu","doi":"10.1002/jaa2.70011","DOIUrl":"https://doi.org/10.1002/jaa2.70011","url":null,"abstract":"<p>Given the widespread credibility crisis of empirical research, disciplines including economics have increasingly turned attention to replicability-seeking venues to enhance trust. One of these approaches is to pre-register a study and prepare a pre-analysis plan. There are promising benefits but also clear challenges, leading selected disciplines of economics to adopt pre-registration and pre-analysis plans for empirical research with caution. This study investigates how agricultural and applied economists view the current development of pre-registration and pre-analysis plans, and offers guidance for future advancements of these practices within the profession.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 2","pages":"223-238"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dietary shifts in agrarian households: Population-based evidence from off-farm work in Ghana 农业家庭的饮食变化：来自加纳非农工作的基于人口的证据
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-04-22 DOI: 10.1002/jaa2.70014
Ralph Armah, Antoinette Tsiboe-Darko, Yacob Abrehe Zereyesus, Francis Tsiboe, Evelyn Osei
{"title":"Dietary shifts in agrarian households: Population-based evidence from off-farm work in Ghana","authors":"Ralph Armah,&nbsp;Antoinette Tsiboe-Darko,&nbsp;Yacob Abrehe Zereyesus,&nbsp;Francis Tsiboe,&nbsp;Evelyn Osei","doi":"10.1002/jaa2.70014","DOIUrl":"https://doi.org/10.1002/jaa2.70014","url":null,"abstract":"<p>This study examines the association between income from off-farm work and nutritional outcomes in Ghanaian agrarian households, analyzing data from the Ghana Living Standards Surveys of 2005/06, 2012/13, and 2016/17. Findings from 24,550 observations reveal that off-farm work is associated with increased intake of protein, fat, essential minerals, and vitamin availability but decreased intake of dietary fiber and carbohydrates. Households engaged in both nonfarm business and wage employment show dietary shifts over time.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 2","pages":"254-269"},"PeriodicalIF":0.0,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Household food security and perceptions of food price unfairness in the United States 美国家庭食品安全和对食品价格不公平的看法
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-04-14 DOI: 10.1002/jaa2.70012
Ly Nguyen, Anne T. Byrne, Hoa Hoang, Rodolfo M. Nayga Jr.
{"title":"Household food security and perceptions of food price unfairness in the United States","authors":"Ly Nguyen,&nbsp;Anne T. Byrne,&nbsp;Hoa Hoang,&nbsp;Rodolfo M. Nayga Jr.","doi":"10.1002/jaa2.70012","DOIUrl":"https://doi.org/10.1002/jaa2.70012","url":null,"abstract":"<p>Modern measurement of food security in the United States asks consumers about their household conditions, often with reference to whether they have “enough money for food.” However, “enough” may be subjective, with some households holding the view that retail food prices are unfair and therefore unaffordable. This study determines the association between food insecurity and perceptions of retail food price fairness using online data. Applying ordered probit models, our results show a statistically significant difference in perceptions of fairness cross levels of household food security status. Therefore, understanding perceptions of food price fairness may be an important component of understanding food insecurity in the United States.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 2","pages":"239-253"},"PeriodicalIF":0.0,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Can index insurance alter pastoralists' labor allocation decisions? Evidence from East Africa 指数保险能改变牧民的劳动力配置决策吗？来自东非的证据
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-03-30 DOI: 10.1002/jaa2.70010
Tekalign Gutu Sakketa, Lukas Kornher
{"title":"Can index insurance alter pastoralists' labor allocation decisions? Evidence from East Africa","authors":"Tekalign Gutu Sakketa,&nbsp;Lukas Kornher","doi":"10.1002/jaa2.70010","DOIUrl":"https://doi.org/10.1002/jaa2.70010","url":null,"abstract":"<p>Social protection programs designed to reduce the impact of economic, climatic, and social shocks on vulnerable livelihoods are becoming more popular. This study explores the causal effects of index-based livestock insurance (IBLI) programs that have been implemented among pastoralists in Ethiopia and Kenya. Our findings indicate that IBLI coverage influences household labor allocation by prompting shifts and expansions in agricultural production, leading to more diversified livelihood activities both on and off-farm in both countries. These findings have significant policy implications for promoting the diversification and transformation of livelihood options for households in drought-prone regions.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 2","pages":"206-222"},"PeriodicalIF":0.0,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Explaining the Urban-Rural Export Gap: Evidence from U.S. Firms 城乡出口差距的解释：来自美国企业的证据
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-03-30 DOI: 10.1002/jaa2.70009
Luyi Han, Timothy R. Wojan, Zheng Tian, Stephan J. Goetz
{"title":"Explaining the Urban-Rural Export Gap: Evidence from U.S. Firms","authors":"Luyi Han,&nbsp;Timothy R. Wojan,&nbsp;Zheng Tian,&nbsp;Stephan J. Goetz","doi":"10.1002/jaa2.70009","DOIUrl":"https://doi.org/10.1002/jaa2.70009","url":null,"abstract":"<p>The U.S. urban-rural export gap is important given the share of manufactured goods in exports, the rural concentration of manufacturing activity, and recent federal investments in place-based policy. These investments raise questions about the size of the export gap and whether it is explained by differences in endowments or inherent rural disadvantages. Confidential trade data linked with business survey data alongside county-level variables allow an Oaxaca-Blinder decomposition of the export gapUrban factors compensate for a less trade favorable industry mix, including the advantages of urban scale in export performance which may be insurmountable for rural areas.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 2","pages":"187-205"},"PeriodicalIF":0.0,"publicationDate":"2025-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring consumer motivations for frequent visits and high spending at farmers' markets 探索消费者频繁光顾农贸市场和高消费的动机
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-03-22 DOI: 10.1002/jaa2.144
Jane Arnold, Felipe De Figueiredo Silva, Michael Vassalos
{"title":"Exploring consumer motivations for frequent visits and high spending at farmers' markets","authors":"Jane Arnold,&nbsp;Felipe De Figueiredo Silva,&nbsp;Michael Vassalos","doi":"10.1002/jaa2.144","DOIUrl":"https://doi.org/10.1002/jaa2.144","url":null,"abstract":"<p>Farmers' markets (FM) must be able to adapt to keep up with changing consumer preferences. Using 274 in-person surveys of consumers in several FMs our objective is to identify the influence of respondents' lifestyle characteristics, distance from the FM, and FM characteristics on the likelihood of being a frequent FM customer and spending over $50. Results indicate that the likelihood of visiting FM over five times per season and spending more than $50 increases with FMs open on weekends and that have 11–50 vendors and a wide variety of products. We also provide suggestions for policymakers and FM managers.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"4-16"},"PeriodicalIF":0.0,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.144","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Salinity inundation, profitability, and rice farming exits in the Mekong Delta of Vietnam 越南湄公河三角洲的盐碱化淹没、盈利能力和水稻种植出口
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-03-14 DOI: 10.1002/jaa2.70004
Bradford Mills, Chi Ta, Duong Phuc Ta, Huong Nguyen
{"title":"Salinity inundation, profitability, and rice farming exits in the Mekong Delta of Vietnam","authors":"Bradford Mills,&nbsp;Chi Ta,&nbsp;Duong Phuc Ta,&nbsp;Huong Nguyen","doi":"10.1002/jaa2.70004","DOIUrl":"https://doi.org/10.1002/jaa2.70004","url":null,"abstract":"<p>We analyze how salinity affects rice profitability and land use in the Vietnam Mekong Delta with a 3-year data set from 758 rice-producing households. Our findings reveal a substantial impact of salinity exposure on rice profits at the field level, with high salinity reducing average profits by over 75%. Additionally, declines in expected profitability due to salinity contribute significantly to farmer exits from rice production, especially when anticipated profits drop below 20 million VND per hectare. Further, profit expectations appear to be adjusted based on salinity impacts both in the most recent cropping season and from past extreme salinity events.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 2","pages":"170-186"},"PeriodicalIF":0.0,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Poverty and yield effects of CGIAR maize varieties in smallholder farming systems of Zambia CGIAR玉米品种在赞比亚小农农业系统中的贫困和产量影响
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-18 DOI: 10.1002/jaa2.70007
Hambulo Ngoma, Peter Setimela, João Vasco Silva, Vijesh V. Krishna
{"title":"Poverty and yield effects of CGIAR maize varieties in smallholder farming systems of Zambia","authors":"Hambulo Ngoma,&nbsp;Peter Setimela,&nbsp;João Vasco Silva,&nbsp;Vijesh V. Krishna","doi":"10.1002/jaa2.70007","DOIUrl":"https://doi.org/10.1002/jaa2.70007","url":null,"abstract":"<p>Improved germplasm is a recognized adaptation strategy to climate change. We assessed the adoption, and impacts of CGIAR maize varieties on livelihoods in Zambia using fixed effects regression and a difference-in-differences framework. Three-waves of nationally representative panel data indicate that 24% of smallholders used CGIAR germplasm on about 225,000 hectares in 2019. Relative to other non-CGIAR maize varieties, the use of CGIAR maize varieties was associated with 26–35% yield increase, and 2–10% reduction in the depth of poverty on average. Thus, while improved varieties can increase crop productivity effectively, they are not substitutes for broad-based poverty reduction strategies.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"151-166"},"PeriodicalIF":0.0,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cropping frequency and crop acreage in response to temperature change: Evidence from China 种植频率和作物面积对温度变化的响应：来自中国的证据
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-17 DOI: 10.1002/jaa2.70008
Jue Du, Xiaoguang Chen, Lingling Hou
{"title":"Cropping frequency and crop acreage in response to temperature change: Evidence from China","authors":"Jue Du,&nbsp;Xiaoguang Chen,&nbsp;Lingling Hou","doi":"10.1002/jaa2.70008","DOIUrl":"https://doi.org/10.1002/jaa2.70008","url":null,"abstract":"<p>This paper employs a 25-year panel of Chinese counties to examine the nonlinear impacts of rising temperatures on cropping frequency and acreages. We find that growing degree days have no significant effects, while extreme heat, measured by harmful degree days, reduces cropping frequency mainly through a reduction in total planted area. Improved irrigation conditions, higher levels of mechanization, and adequate precipitation can mitigate these adverse impacts. Simulations based on uniform warming scenarios ranging from 0.5°C to 2.0°C predict that future warming will reduce cropping frequency by 0.02–0.10, driven by a decline in planted area (1.0%–6.3%).</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"135-150"},"PeriodicalIF":0.0,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A global approach to estimating import demand elasticities: Insights from major agricultural sectors 估算进口需求弹性的全球方法：来自主要农业部门的见解
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-12 DOI: 10.1002/jaa2.70001
Andrew Muhammad, Md Deluair Hossen
{"title":"A global approach to estimating import demand elasticities: Insights from major agricultural sectors","authors":"Andrew Muhammad,&nbsp;Md Deluair Hossen","doi":"10.1002/jaa2.70001","DOIUrl":"https://doi.org/10.1002/jaa2.70001","url":null,"abstract":"<p>We present a framework for estimating global import demand across 22 product categories. By aggregating bilateral import data by exporting source, we assessed the worldwide impact of prices on import demand by source. This methodology facilitated the analysis of all exporting countries within a unified estimation framework, simplifying the process compared to estimating separate models for each importing country. Results indicate that estimating global demand within a single framework captures the competitive dynamics among exporters while yielding statistically significant and robust estimates. A global approach is especially useful when analyzing factors with global implications.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"38-53"},"PeriodicalIF":0.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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