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Economic viability of robotic fruit harvesters to reduce large seasonal labor demands: Analysis of Gala and Honeycrisp apples 减少大量季节性劳动力需求的机器人水果收割机的经济可行性：嘎啦苹果和蜜橘苹果分析
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-12 DOI: 10.1002/jaa2.70000
Diane Charlton, Stephen Devadoss, R. Karina Gallardo, Jeff Luckstead, Stavros Vougioukas
{"title":"Economic viability of robotic fruit harvesters to reduce large seasonal labor demands: Analysis of Gala and Honeycrisp apples","authors":"Diane Charlton,&nbsp;Stephen Devadoss,&nbsp;R. Karina Gallardo,&nbsp;Jeff Luckstead,&nbsp;Stavros Vougioukas","doi":"10.1002/jaa2.70000","DOIUrl":"https://doi.org/10.1002/jaa2.70000","url":null,"abstract":"<p>Fruit harvesting is labor intensive and relies heavily on a decreasing immigrant farm labor supply. This study develops a model to compare robotic and manual apple-harvesting profits. Given the anticipated performance of robotic prototypes, we find that a grower could spend $248.42 per acre per year on a robotic harvester and obtain the same profit as manual harvest. Marginal improvements in the percent of fruit harvested, harvester speed, and robot-induced damage would greatly enhance robot profitability and farmers could spend more on the harvester and still obtain the same profit as manual harvest.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"70-87"},"PeriodicalIF":0.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70000","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801351","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
The role of charitable food assistance during times of crisis 危机时期慈善粮食援助的作用
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-12 DOI: 10.1002/jaa2.70006
Denvil Duncan, Luis Navarro, Shellye Suttles
{"title":"The role of charitable food assistance during times of crisis","authors":"Denvil Duncan,&nbsp;Luis Navarro,&nbsp;Shellye Suttles","doi":"10.1002/jaa2.70006","DOIUrl":"https://doi.org/10.1002/jaa2.70006","url":null,"abstract":"<p>We examine the role of charitable food assistance during periods of economic distress by looking at donations to a large Midwestern food bank. We explore the determinants of in-kind food provisions and financial donations during the COVID-19 pandemic and find that both types of assistance dramatically increased at the onset of the pandemic. However, these increases were not persistent. We argue that this is evidence that the charitable food system serves a critical role in facilitating the transmission of federal provisions and charitable donations to households in need during times of crisis.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"118-134"},"PeriodicalIF":0.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801350","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
Liberalization of animal genetic resources trade and local animal productivity outcomes: A natural experiment 动物遗传资源贸易自由化与地方动物生产力结果：一项自然实验
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-12 DOI: 10.1002/jaa2.70003
K. Aleks Schaefer, Youngjune Kim, Steven van Winden
{"title":"Liberalization of animal genetic resources trade and local animal productivity outcomes: A natural experiment","authors":"K. Aleks Schaefer,&nbsp;Youngjune Kim,&nbsp;Steven van Winden","doi":"10.1002/jaa2.70003","DOIUrl":"https://doi.org/10.1002/jaa2.70003","url":null,"abstract":"<p>We assess the effects of trade liberalization in animal genetic resources on farm-level productivity using a natural experiment on the Island of Jersey. For over 200 years, Jersey banned the import of bovine animals and semen to preserve breed purity. In 2008, the ban was lifted, allowing the import of Jersey-certified sires and semen. Over the next 15 years, increased genetic access improved animal productivity, health, and genotype but slightly reduced reproductive performance.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"88-101"},"PeriodicalIF":0.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801352","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
Revisiting the relationship between farmland prices and rents in Japan with time-varying vector autoregressions 利用时变向量自回归重新审视日本农田价格与租金之间的关系
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-12 DOI: 10.1002/jaa2.70005
A. Ford Ramsey, Kenichi Kuroiwa
{"title":"Revisiting the relationship between farmland prices and rents in Japan with time-varying vector autoregressions","authors":"A. Ford Ramsey,&nbsp;Kenichi Kuroiwa","doi":"10.1002/jaa2.70005","DOIUrl":"https://doi.org/10.1002/jaa2.70005","url":null,"abstract":"<p>Past studies of agricultural land prices and rents in Japan focused on the temporal relations characterizing price and rent dynamics. Several authors have shown that farmland prices respond to shocks to rents, but not vice-versa. We revisit this relationship with a Bayesian time-varying parameter vector autoregression (TVP-VAR). The TVP-VAR provides nuance by permitting the relationship between prices and rents to vary through time and allowing for stochastic volatility. Impulse response functions indicate that rents adjust to price shocks, but prices do not adjust to rent shocks. The TVP-VAR suggests both changes in volatility and time variation in the lag coefficients.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"102-117"},"PeriodicalIF":0.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801349","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
Ascertaining who is eligible for SNAP: Are we using the correct metric? 确定哪些人有资格获得 SNAP：我们使用的衡量标准正确吗？
Journal of the Agricultural and Applied Economics Association Pub Date : 2025-02-10 DOI: 10.1002/jaa2.70002
Min-Fang Wei, Craig Gundersen
{"title":"Ascertaining who is eligible for SNAP: Are we using the correct metric?","authors":"Min-Fang Wei,&nbsp;Craig Gundersen","doi":"10.1002/jaa2.70002","DOIUrl":"https://doi.org/10.1002/jaa2.70002","url":null,"abstract":"<p>Extensive research has shown that the Supplemental Nutrition Assistance Program (SNAP) reduces food insecurity. This work, however, has generally defined eligibility based on only the gross income criterion (ignoring the asset and net income criteria). Using data from the 2018 Survey of Income and Program Participation, these central results emerge: the composition of eligible households differs by choice of metric; state's discretion to remove the asset test, compared to setting a higher gross income threshold, has a larger impact on the eligible sample; and previous research examining the effect of SNAP on food insecurity is likely robust to sample choice.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"54-69"},"PeriodicalIF":0.0,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.70002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801572","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
Evaluating the impact of fertilizer and crop prices on phosphorus concentrations in Great Lakes watersheds 评估化肥和作物价格对五大湖流域磷浓度的影响
Journal of the Agricultural and Applied Economics Association Pub Date : 2024-12-09 DOI: 10.1002/jaa2.145
Sampriti Sarkar, Preet Lal, Molly Sears, Frank Lupi
{"title":"Evaluating the impact of fertilizer and crop prices on phosphorus concentrations in Great Lakes watersheds","authors":"Sampriti Sarkar,&nbsp;Preet Lal,&nbsp;Molly Sears,&nbsp;Frank Lupi","doi":"10.1002/jaa2.145","DOIUrl":"https://doi.org/10.1002/jaa2.145","url":null,"abstract":"<p>Crop and input prices affect agricultural production and water pollution. Fertilizer prices fluctuated over the past two decades, recently increasing substantially. Corn prices also increased after authorization of the Renewable Fuel Standard. This paper estimates the effect of fertilizer and corn prices on total phosphorus (TP) and dissolved phosphorus (DP) concentrations across 226 Great Lakes region watersheds. Findings indicate that a 10% rise in fertilizer prices reduces TP by 3% and DP by 6.9%. Counterfactual analysis shows that without recent fertilizer price hikes, nutrient concentrations would be higher, underscoring the impact of crop and input prices on phosphorus pollution.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"3 4","pages":"756-773"},"PeriodicalIF":0.0,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.145","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142868313","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
Financial access of midstream agricultural firms in Africa: Evidence from the LSMS-ISA and World Bank Enterprise Surveys 非洲中游农业公司的资金获取情况：LSMS-ISA 和世界银行企业调查的证据
Journal of the Agricultural and Applied Economics Association Pub Date : 2024-12-09 DOI: 10.1002/jaa2.139
Kate Ambler, Alan de Brauw, Sylvan Herskowitz, Cristhian Pulido
{"title":"Financial access of midstream agricultural firms in Africa: Evidence from the LSMS-ISA and World Bank Enterprise Surveys","authors":"Kate Ambler,&nbsp;Alan de Brauw,&nbsp;Sylvan Herskowitz,&nbsp;Cristhian Pulido","doi":"10.1002/jaa2.139","DOIUrl":"https://doi.org/10.1002/jaa2.139","url":null,"abstract":"<p>We use data from the Living Standards Measurement Study—Integrated Surveys on Agriculture and the World Bank Enterprise Survey from seven African countries, to identify agricultural midstream firms and assess their access to credit, comparing them to nonagricultural midstream firms. We find that the agricultural midstream firms are larger and more productive, and are less likely to report barriers to accessing credit, although overall access levels remain low. These findings help build our understanding about the financial needs of micro-, small-, and medium-size enterprises in the agricultural midstream and suggest that more targeted data collection could further this research agenda.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"3 4","pages":"740-755"},"PeriodicalIF":0.0,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.139","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142868314","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
Insuring for cyclone events: What matters to small business owners? 飓风事件保险：对小企业主来说什么重要？
Journal of the Agricultural and Applied Economics Association Pub Date : 2024-12-08 DOI: 10.1002/jaa2.146
Edeoba W. Edobor, Maria I. Marshall, Bhagyashree Katare, Corinne Valdivia
{"title":"Insuring for cyclone events: What matters to small business owners?","authors":"Edeoba W. Edobor,&nbsp;Maria I. Marshall,&nbsp;Bhagyashree Katare,&nbsp;Corinne Valdivia","doi":"10.1002/jaa2.146","DOIUrl":"https://doi.org/10.1002/jaa2.146","url":null,"abstract":"<p>Using a discrete choice experiment, we examined the impact of previous disaster experiences, charity hazard, and temporal orientation on willingness to pay (WTP) for hypothetical cyclone insurance. We found that business owners preferred policies that covered flood, windstorm, and business interruption regardless of the combination. They also preferred shorter waiting periods and higher coverage levels. Respondents who had previously experienced cyclones were more willing to pay for the presented insurance policies than those who had not. Furthermore, future-orientated owners were more likely to pay for the presented policies, while charity hazard was positively correlated with WTP for government-provided insurance.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"4 1","pages":"17-37"},"PeriodicalIF":0.0,"publicationDate":"2024-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.146","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143801541","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
Geopolitical risks and agricultural trade diversification in Southern Africa: Port-level evidence from the Russia-Ukraine war 南部非洲地缘政治风险与农业贸易多样化：来自俄乌战争的港口层面证据
Journal of the Agricultural and Applied Economics Association Pub Date : 2024-11-27 DOI: 10.1002/jaa2.141
Sunghun Lim, Saera Oh
{"title":"Geopolitical risks and agricultural trade diversification in Southern Africa: Port-level evidence from the Russia-Ukraine war","authors":"Sunghun Lim,&nbsp;Saera Oh","doi":"10.1002/jaa2.141","DOIUrl":"https://doi.org/10.1002/jaa2.141","url":null,"abstract":"<p>With the spread of global agricultural value chains, international geopolitical risks often unintentionally trigger food insecurity in bystander countries. This study explores the impact of Russia's invasion of Ukraine on wheat supplies in South Africa and their trade diversification. Using port-level trade data, we show that South Africa, the main distribution route for South African wheat supplies, rapidly diversified its imports to mitigate geopolitical risk in the aftermath of the war. This sudden import diversification prevented the war-induced decline on average wheat imports, yet it led to an increase in the volatility of annual imports. More importantly, the import diversification contributed to more secure wheat supplies for southern African landlocked countries that were heavily reliant on border imports from South Africa. Our study highlights that sourcing diversification in a country with well-developed port infrastructure could be instrumental in stave off food insecurity in neighboring countries in times of geopolitical crises.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"3 4","pages":"724-739"},"PeriodicalIF":0.0,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.141","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869149","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
Unpacking the gender wage gap in the U.S.: The impact of rural employment, age, and occupation 剖析美国的性别工资差距：农村就业、年龄和职业的影响
Journal of the Agricultural and Applied Economics Association Pub Date : 2024-11-25 DOI: 10.1002/jaa2.143
Ayoung Kim, Brigitte S. Waldorf
{"title":"Unpacking the gender wage gap in the U.S.: The impact of rural employment, age, and occupation","authors":"Ayoung Kim,&nbsp;Brigitte S. Waldorf","doi":"10.1002/jaa2.143","DOIUrl":"https://doi.org/10.1002/jaa2.143","url":null,"abstract":"<p>This paper examines three dimensions influencing the gender wage gap: rural employment, type of occupation, and workers' career stage. The findings suggest that (1) rural workplaces are associated with lower wages; (2) women face a higher wage penalty than men in rural, low-paying jobs; (3) wage determinants differ between low- and high-paying jobs, leading to variable impacts on the gender wage gap; (4) gender wage gaps are significantly narrower for early-career workers than for older workers; and (5) even minor annual wage disparities contribute to significant wealth gaps by the end of the working life.</p>","PeriodicalId":93789,"journal":{"name":"Journal of the Agricultural and Applied Economics Association","volume":"3 4","pages":"706-723"},"PeriodicalIF":0.0,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jaa2.143","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142869067","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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