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American Journal of Agricultural Economics最新文献

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Quantifying the Water Quality Impacts of Cropland Farming in China: A Satellite Data Approach 中国农田耕作对水质影响的量化：卫星数据方法
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-27 DOI: 10.1111/ajae.12510
Chuan Tang, Yifeng Guo, Lian Feng
{"title":"Quantifying the Water Quality Impacts of Cropland Farming in China: A Satellite Data Approach","authors":"Chuan Tang,&nbsp;Yifeng Guo,&nbsp;Lian Feng","doi":"10.1111/ajae.12510","DOIUrl":"https://doi.org/10.1111/ajae.12510","url":null,"abstract":"<p>We compile a unique satellite-derived panel dataset to investigate the impacts of cropland coverage on the outbreak of Harmful Algal Blooms (HABs) in China between 2003 and 2019. Our results indicate that a 1% increase in cropland leads to a 0.5% increase in the size of HABs in lakes larger than 20 km<sup>2</sup>. The increase in cropland not only affects the size of HABs but also significantly prolongs their duration on average. Furthermore, we provide evidence of a diminishing legacy effect of cropland on HAB area over time and a nonlinear relationship between cropland area and HABs. Fertilizer leakage from cropland shapes the entire pollution mechanism, with farming practices that require elevated fertilizer posing significantly greater impacts on water quality. While the nationwide fertilizer reduction policy implemented in 2015 successfully dampens HABs in nonreservoir lakes during the initial three years, its long-term effects remain uncertain. This study highlights the potential of satellite imagery data for economic analyses of nutrient pollution in China.</p>","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 3","pages":"958-989"},"PeriodicalIF":4.2,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143826982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AAEA fellows AAEA研究员
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-22 DOI: 10.1111/ajae.12518
{"title":"AAEA fellows","authors":"","doi":"10.1111/ajae.12518","DOIUrl":"https://doi.org/10.1111/ajae.12518","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"350-354"},"PeriodicalIF":4.2,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Horizontal merger simulation in a Cournot oligopoly with competitive fringe: The U.S. broiler industry case 具有竞争边缘的古诺寡头垄断的横向合并模拟：美国肉鸡产业案例
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-20 DOI: 10.1111/ajae.12511
Lulu Pi, Tomislav Vukina
{"title":"Horizontal merger simulation in a Cournot oligopoly with competitive fringe: The U.S. broiler industry case","authors":"Lulu Pi,&nbsp;Tomislav Vukina","doi":"10.1111/ajae.12511","DOIUrl":"https://doi.org/10.1111/ajae.12511","url":null,"abstract":"<p>This article analyzes the impact of a recent merger between the third and the seventh largest broiler producers in the United States on the equilibrium of the downstream broiler market. Reflective of the broiler industry market structure, in the theoretical part of the article we adopt the model of a Cournot oligopoly with a competitive fringe and then apply merger simulation to predict the welfare effects. We fit our theoretical framework to the pre-merger data under the assumption of different numbers of oligopoly firms. The results suggest that the merger between Sanderson Farms and Wayne Farms will significantly increase the market price of chicken meat and decrease consumer surplus, and that the magnitude of these impacts hinges on the size of the oligopoly. The net welfare effect could be positive or negative, but it is not statistically significant at the 5% level.</p>","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 3","pages":"869-887"},"PeriodicalIF":4.2,"publicationDate":"2025-01-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143826852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Steven Deller Steven Deller
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-19 DOI: 10.1111/ajae.12521
{"title":"Steven Deller","authors":"","doi":"10.1111/ajae.12521","DOIUrl":"https://doi.org/10.1111/ajae.12521","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"357-358"},"PeriodicalIF":4.2,"publicationDate":"2025-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Titus Awokuse
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-16 DOI: 10.1111/ajae.12519
{"title":"Titus Awokuse","authors":"","doi":"10.1111/ajae.12519","DOIUrl":"https://doi.org/10.1111/ajae.12519","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"355"},"PeriodicalIF":4.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rachael E. Goodhue 瑞秋·e·古德休
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-16 DOI: 10.1111/ajae.12522
{"title":"Rachael E. Goodhue","authors":"","doi":"10.1111/ajae.12522","DOIUrl":"https://doi.org/10.1111/ajae.12522","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"359"},"PeriodicalIF":4.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Oral Capps 口服capp
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-16 DOI: 10.1111/ajae.12520
{"title":"Oral Capps","authors":"","doi":"10.1111/ajae.12520","DOIUrl":"https://doi.org/10.1111/ajae.12520","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"356"},"PeriodicalIF":4.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Presidents 总统
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-16 DOI: 10.1111/ajae.12525
{"title":"Presidents","authors":"","doi":"10.1111/ajae.12525","DOIUrl":"https://doi.org/10.1111/ajae.12525","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"364-367"},"PeriodicalIF":4.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alfons Weersink
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-16 DOI: 10.1111/ajae.12524
{"title":"Alfons Weersink","authors":"","doi":"10.1111/ajae.12524","DOIUrl":"https://doi.org/10.1111/ajae.12524","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"362-363"},"PeriodicalIF":4.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Award winning theses 获奖论文
IF 4.2 2区 经济学
American Journal of Agricultural Economics Pub Date : 2025-01-16 DOI: 10.1111/ajae.12526
{"title":"Award winning theses","authors":"","doi":"10.1111/ajae.12526","DOIUrl":"https://doi.org/10.1111/ajae.12526","url":null,"abstract":"","PeriodicalId":55537,"journal":{"name":"American Journal of Agricultural Economics","volume":"107 2","pages":"718-721"},"PeriodicalIF":4.2,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143404762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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