发展中经济体的信息提供与农民福利

Junjie Zhou, Xiaoshuai Fan, Ying‐ju Chen, Christopher S. Tang
{"title":"发展中经济体的信息提供与农民福利","authors":"Junjie Zhou, Xiaoshuai Fan, Ying‐ju Chen, Christopher S. Tang","doi":"10.2139/ssrn.3369334","DOIUrl":null,"url":null,"abstract":"Problem definition: To alleviate farmer poverty, governments and nongovernmental organizations (NGOs) are developing different mechanisms for disseminating market information to farmers in developing countries. This paper examines whether a wider dissemination of information will always benefit farmers. Academic/practical relevance: The characterization of the farmers’ equilibrium production decisions and the implications of information provision provide practical guidance for governments and NGOs when developing agricultural information services. Methodology: We develop an “asymmetric” two-stage game to analyze a base model in which n ≥ 4 heterogeneous farmers need to determine their production quantities when the underlying market condition is uncertain. Our base model relies on four key modeling assumptions: (1) farmers engage in Cournot (quantity) competition, (2) the social planner cares about farmers’ total income, (3) yields are deterministic, and (4) information service is publicly funded so that information access is free. We further examine alternative market environments by relaxing or changing these modeling assumptions separately. Results: Through the analysis of our base model, we find that providing information to only one farmer is optimal but providing information to all n farmers can be detrimental. In alternative market environments, we obtain the following results. First, when the information service is self-financed, we find that the “exclusivity” result no longer holds when farmers are heterogeneous (even though it holds for the case when farmers are homogeneous). Second, when yield rates are uncertain, we find it is optimal to disseminate to more farmers when the yield rates become more uncertain (in terms of coefficient of variation). Third, when the central planner only cares about creating economic value for those farmers with information access, it is optimal for the social planner to disseminate information to more farmers. Fourth, when farmers engage in Bertrand (price) competition, it is optimal to disseminate information to all n farmers. Managerial implications: By combining different results obtained under different market environments, we conclude that the optimal information provision policy depends on the competition type (Cournot or Bertrand competition), yield uncertainty, source of funding, and the social planner’s ultimate goal.","PeriodicalId":107048,"journal":{"name":"Food Industry eJournal","volume":"13 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"19","resultStr":"{\"title\":\"Information Provision and Farmer Welfare in Developing Economies\",\"authors\":\"Junjie Zhou, Xiaoshuai Fan, Ying‐ju Chen, Christopher S. Tang\",\"doi\":\"10.2139/ssrn.3369334\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Problem definition: To alleviate farmer poverty, governments and nongovernmental organizations (NGOs) are developing different mechanisms for disseminating market information to farmers in developing countries. This paper examines whether a wider dissemination of information will always benefit farmers. Academic/practical relevance: The characterization of the farmers’ equilibrium production decisions and the implications of information provision provide practical guidance for governments and NGOs when developing agricultural information services. Methodology: We develop an “asymmetric” two-stage game to analyze a base model in which n ≥ 4 heterogeneous farmers need to determine their production quantities when the underlying market condition is uncertain. Our base model relies on four key modeling assumptions: (1) farmers engage in Cournot (quantity) competition, (2) the social planner cares about farmers’ total income, (3) yields are deterministic, and (4) information service is publicly funded so that information access is free. We further examine alternative market environments by relaxing or changing these modeling assumptions separately. Results: Through the analysis of our base model, we find that providing information to only one farmer is optimal but providing information to all n farmers can be detrimental. In alternative market environments, we obtain the following results. First, when the information service is self-financed, we find that the “exclusivity” result no longer holds when farmers are heterogeneous (even though it holds for the case when farmers are homogeneous). Second, when yield rates are uncertain, we find it is optimal to disseminate to more farmers when the yield rates become more uncertain (in terms of coefficient of variation). Third, when the central planner only cares about creating economic value for those farmers with information access, it is optimal for the social planner to disseminate information to more farmers. Fourth, when farmers engage in Bertrand (price) competition, it is optimal to disseminate information to all n farmers. Managerial implications: By combining different results obtained under different market environments, we conclude that the optimal information provision policy depends on the competition type (Cournot or Bertrand competition), yield uncertainty, source of funding, and the social planner’s ultimate goal.\",\"PeriodicalId\":107048,\"journal\":{\"name\":\"Food Industry eJournal\",\"volume\":\"13 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-04-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"19\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Food Industry eJournal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2139/ssrn.3369334\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Food Industry eJournal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2139/ssrn.3369334","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 19

摘要

问题定义:为了减轻农民的贫困,政府和非政府组织(ngo)正在发展不同的机制,向发展中国家的农民传播市场信息。本文考察了信息的广泛传播是否总是有利于农民。学术/实践相关性:农民均衡生产决策的特征和信息提供的含义为政府和非政府组织开发农业信息服务提供了实践指导。方法:我们开发了一个“非对称”两阶段博弈来分析一个基本模型,其中n≥4个异质性农民需要在潜在市场条件不确定时确定他们的产量。我们的基本模型依赖于四个关键的建模假设:(1)农民参与古诺(数量)竞争,(2)社会规划者关心农民的总收入,(3)产量是确定的,(4)信息服务是公共资助的,因此信息获取是免费的。通过放松或改变这些建模假设,我们进一步考察了不同的市场环境。结果:通过对基础模型的分析,我们发现只向一个农民提供信息是最优的,而向所有农民提供信息可能是不利的。在不同的市场环境下,我们得到了以下结果。首先,当信息服务是自筹资金时,我们发现当农民是异质的时,“排他性”结果不再成立(尽管它适用于农民是同质的情况)。其次,当产出率不确定时,我们发现当产出率变得更不确定时,传播给更多的农民是最优的(就变异系数而言)。第三,当中央计划者只关心为那些能够获得信息的农民创造经济价值时,社会计划者将信息传播给更多的农民是最优的。第四,当农民进行Bertrand(价格)竞争时,向所有农民传播信息是最优的。管理启示:结合不同市场环境下的不同结果,我们得出最优信息提供政策取决于竞争类型(古诺竞争或贝特朗竞争)、收益不确定性、资金来源和社会规划者的最终目标。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Information Provision and Farmer Welfare in Developing Economies
Problem definition: To alleviate farmer poverty, governments and nongovernmental organizations (NGOs) are developing different mechanisms for disseminating market information to farmers in developing countries. This paper examines whether a wider dissemination of information will always benefit farmers. Academic/practical relevance: The characterization of the farmers’ equilibrium production decisions and the implications of information provision provide practical guidance for governments and NGOs when developing agricultural information services. Methodology: We develop an “asymmetric” two-stage game to analyze a base model in which n ≥ 4 heterogeneous farmers need to determine their production quantities when the underlying market condition is uncertain. Our base model relies on four key modeling assumptions: (1) farmers engage in Cournot (quantity) competition, (2) the social planner cares about farmers’ total income, (3) yields are deterministic, and (4) information service is publicly funded so that information access is free. We further examine alternative market environments by relaxing or changing these modeling assumptions separately. Results: Through the analysis of our base model, we find that providing information to only one farmer is optimal but providing information to all n farmers can be detrimental. In alternative market environments, we obtain the following results. First, when the information service is self-financed, we find that the “exclusivity” result no longer holds when farmers are heterogeneous (even though it holds for the case when farmers are homogeneous). Second, when yield rates are uncertain, we find it is optimal to disseminate to more farmers when the yield rates become more uncertain (in terms of coefficient of variation). Third, when the central planner only cares about creating economic value for those farmers with information access, it is optimal for the social planner to disseminate information to more farmers. Fourth, when farmers engage in Bertrand (price) competition, it is optimal to disseminate information to all n farmers. Managerial implications: By combining different results obtained under different market environments, we conclude that the optimal information provision policy depends on the competition type (Cournot or Bertrand competition), yield uncertainty, source of funding, and the social planner’s ultimate goal.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
自引率
0.00%
发文量
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信