Article(id=1156642663756583468, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1156642661160309282, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1002-980X.J23110910, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1699459200000, receivedDateStr=2023-11-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753694700421, onlineDateStr=2025-07-28, pubDate=1715270400000, pubDateStr=2024-05-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753694700421, onlineIssueDateStr=2025-07-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753694700421, creator=13701087609, updateTime=1753694700421, updator=13701087609, issue=Issue{id=1156642661160309282, tenantId=1146029695717560320, journalId=1146120045056339983, year='2024', volume='43', issue='5', pageStart='1', pageEnd='149', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=0, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753694699802, creator=13701087609, updateTime=1757554660017, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1172832507784475483, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1156642661160309282, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1172832507784475484, tenantId=1146029695717560320, journalId=1146120045056339983, issueId=1156642661160309282, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=43, endPage=56, ext={EN=ArticleExt(id=1156642664742244914, articleId=1156642663756583468, tenantId=1146029695717560320, journalId=1146120045056339983, language=EN, title=Contract Farming and Beef Cattle Farmers' Income : Theoretical Clues and Empirical Evidence, columnId=1149284496668709835, journalTitle=Journal of Technology Economics, columnName=Industrial Technology Economics, runingTitle=null, highlight=null, articleAbstract=
Contract farming is an effective approach for integrating small farmers into modern agriculture and serves as the dominant form for the industrialization of agriculture in China. A theoretical analytical framework for the impact of contract farming on the income of livestock farmers was constructed. Utilizing micro-survey data from 610 beef cattle farmers and employing propensity score matching, empirical tests were conducted to examine the influence of contract farming on farmers' income and its operating mechanisms. Participation in contract farming significantly enhances the income levels of livestock farmers. Both sales contracts and production management contracts significantly contribute to increased farmer income, with production management contracts having a more substantial impact. Group difference analysis reveals heterogeneous effects of contract farming on income for different groups based on factors such as farming duration, scale, and training. Farming costs and technological aspects play a significant mediating role in the relationship between contract farming and farmer income, promoting income growth through scale and technical efficiency. Farming relay has a positive regulatory role in the process of contract farming improving farmer income. Governments should actively create favorable conditions to encourage and guide the development of contract farming. Benefiting from the characteristics of farmers' resource endowment, mechanisms for profit distribution between companies and farmers should be improved. Through the "learning by doing" effect, the promotion and application of new technologies should be advanced. In contract farming, the promotion of a relay-style farming operation, with separate breeding of parent livestock and centralized breeding and fattening of offspring, is emphasized to facilitate the sustainable and high-quality development of the livestock industry.
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契约农业是小农户衔接现代农业的有效途径,也是我国农业产业化发展的主导形式。本文构建契约农业影响养殖户收入的理论分析框架,利用610份肉牛养殖戶的微观调查数据,运用倾向得分匹配法,实证检验了契约农业对养殖户收入的影响及其作用机制。参加契约农业能显著提升养殖户收入水平,销售合同和生产管理合同均能显著增加养殖戶收入,其中生产管理合同的影响程度更大。组群差异分析发现,契约农业对养殖年限、养殖规模和养殖培训等不同组群养殖戶收入具有异质性影响。养殖成本和养殖技术在契约农业与养殖戶收入之间起到显著的中介作用,即契约农业通过规模效应和技术效应促进养殖户增收。养殖接力在契约农业对养殖户收入提升的过程中起到正向调节作用。政府应积极创造有利条件鼓励和引导契约农业的发展;根据养殖户资源禀赋特征,完善公司与养殖户利益分配机制;通过“干中学”效应,推进新技术的推广和应用;在契约农业中着力推广“母畜分户饲养、仔畜集中育肥”的接力式养殖经营方式,以推动畜牧产业的可持续、高质量发展。
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梁远,博士,渤海大学管理学院讲师,研究方向:农业经济管理;
毕文泰,博士,渤海大学管理学院讲师,研究方向:农业企业管理;
张越杰,博士,吉林农业大学经济管理学院教授,博士研究生导师,研究方向:农业经济管理;
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3 吉林农业大学 经济管理学院 长春 130118
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3 吉林农业大学 经济管理学院 长春 130118)]), AuthorCompany(id=1156880348412993700, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, xref=4, ext=[AuthorCompanyExt(id=1156880348417188005, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, companyId=1156880348412993700, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4 吉林工商学院 长春 130507)])], figs=[ArticleFig(id=1156880352590520554, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=IaRQcdLhhqgKE6koeIRmXg==, figureFileBig=CPrAQpO/aqLaraDm3mKBcA==, tableContent=null), ArticleFig(id=1156880352686989547, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=图1, caption=
契约农业对养殖户增收的作用机制, figureFileSmall=IaRQcdLhhqgKE6koeIRmXg==, figureFileBig=CPrAQpO/aqLaraDm3mKBcA==, tableContent=null), ArticleFig(id=1156880352783458540, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量类型 | 变量名称 | 含义及赋值 | 均值 | 标准差 | 最小值 | 最大值 |
| 被解释变量 | 养殖户收入 | 养殖户家庭年养牛净收入 (万元,实证中取对数) | 51.133 | 69.711 | 2 | 240 |
| 核心解释 变量 | 契约农业 | 参加契约农业, 否 = 0, 是 = 1 | 0.749 | 0.434 | 0 | 1 |
| 销售合同 | 参加销售合同, 否 = 0, 是 = 1 | 0.369 | 0.483 | 0 | 1 |
| 生产管理合同 | 参加生产管理合同, 否 = 0, 是 = 1 | 0.220 | 0.414 | 0 | 1 |
| 资源提供合同 | 参加资源提供合同, 否 = 0, 是 = 1 | 0.160 | 0.368 | 0 | 1 |
| 中介变量 | 养殖成本 | 肉牛头均生产成本(万元) | 1.257 | 0.256 | 0.818 | 2.093 |
| 养殖技术 | 养殖户绿色养殖技术采纳种类占总种类的比重 | 0.524 | 0.335 | 0 | 1 |
| 调节变量 | 养殖接力 | 参加养殖接力, 否 = 0, 是 = 1 | 0.416 | 0.493 | 0 | 1 |
| 控制变量 | 年龄 | 实际年龄(岁) | 48.856 | 8.715 | 23 | 76 |
| 性别 | 女性 = 0, 男性 = 1 | 0.834 | 0.372 | 0 | 1 |
| 受教育程度 | 小学及以下 =1,初中 =2,高中 =3,大专或本科 =4,硕士及以上 =5 | 2.520 | 0.942 | 1 | 5 |
| 村干部 | 家中是否有村干部,否 = 0,是 = 1 | 0.077 | 0.267 | 0 | 1 |
| 养殖年限 | 养殖户从事肉牛养殖年限(年) | 8.830 | 6.539 | 1 | 39 |
| 养牛人数 | 参加肉牛养殖的家庭成员人数(人) | 2.495 | 0.786 | 1 | 8 |
| 养殖规模 | 年出栏肉牛数量(头) | 93.252 | 87.582 | 6 | 350 |
| 养殖培训 | 参加肉牛养殖技术培训次数(次) | 3.482 | 3.114 | 0 | 11 |
| 正规贷款 | 家庭是否有正规金融部门贷款. 否 = 0.是 = 1 | 0.716 | 0.451 | 0 | 1 |
| 信息获取程度 | 获取市场信息难易程度, 非常困难 = 1, 比较困难 = 2,一般 = 3, 比较容易 = 4,非常容易 = 5 | 3.823 | 0.845 | 1 | 5 |
| 专用性投资 | 生产性固定资产投资金额(万元,实证中取对数) | 47.565 | 49.816 | 4 | 199 |
| 肉牛出售难度 | 肉牛出售的难易程度,非常困难 $= 1$,比较困难 $= 2$,一般 $= 3$, 比较容易 = 4,非常容易 = 5 | 3.828 | 0.774 | 1 | 5 |
), ArticleFig(id=1156880352875733229, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表1, caption=
变量含义及描述性统计, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量类型 | 变量名称 | 含义及赋值 | 均值 | 标准差 | 最小值 | 最大值 |
| 被解释变量 | 养殖户收入 | 养殖户家庭年养牛净收入 (万元,实证中取对数) | 51.133 | 69.711 | 2 | 240 |
| 核心解释 变量 | 契约农业 | 参加契约农业, 否 = 0, 是 = 1 | 0.749 | 0.434 | 0 | 1 |
| 销售合同 | 参加销售合同, 否 = 0, 是 = 1 | 0.369 | 0.483 | 0 | 1 |
| 生产管理合同 | 参加生产管理合同, 否 = 0, 是 = 1 | 0.220 | 0.414 | 0 | 1 |
| 资源提供合同 | 参加资源提供合同, 否 = 0, 是 = 1 | 0.160 | 0.368 | 0 | 1 |
| 中介变量 | 养殖成本 | 肉牛头均生产成本(万元) | 1.257 | 0.256 | 0.818 | 2.093 |
| 养殖技术 | 养殖户绿色养殖技术采纳种类占总种类的比重 | 0.524 | 0.335 | 0 | 1 |
| 调节变量 | 养殖接力 | 参加养殖接力, 否 = 0, 是 = 1 | 0.416 | 0.493 | 0 | 1 |
| 控制变量 | 年龄 | 实际年龄(岁) | 48.856 | 8.715 | 23 | 76 |
| 性别 | 女性 = 0, 男性 = 1 | 0.834 | 0.372 | 0 | 1 |
| 受教育程度 | 小学及以下 =1,初中 =2,高中 =3,大专或本科 =4,硕士及以上 =5 | 2.520 | 0.942 | 1 | 5 |
| 村干部 | 家中是否有村干部,否 = 0,是 = 1 | 0.077 | 0.267 | 0 | 1 |
| 养殖年限 | 养殖户从事肉牛养殖年限(年) | 8.830 | 6.539 | 1 | 39 |
| 养牛人数 | 参加肉牛养殖的家庭成员人数(人) | 2.495 | 0.786 | 1 | 8 |
| 养殖规模 | 年出栏肉牛数量(头) | 93.252 | 87.582 | 6 | 350 |
| 养殖培训 | 参加肉牛养殖技术培训次数(次) | 3.482 | 3.114 | 0 | 11 |
| 正规贷款 | 家庭是否有正规金融部门贷款. 否 = 0.是 = 1 | 0.716 | 0.451 | 0 | 1 |
| 信息获取程度 | 获取市场信息难易程度, 非常困难 = 1, 比较困难 = 2,一般 = 3, 比较容易 = 4,非常容易 = 5 | 3.823 | 0.845 | 1 | 5 |
| 专用性投资 | 生产性固定资产投资金额(万元,实证中取对数) | 47.565 | 49.816 | 4 | 199 |
| 肉牛出售难度 | 肉牛出售的难易程度,非常困难 $= 1$,比较困难 $= 2$,一般 $= 3$, 比较容易 = 4,非常容易 = 5 | 3.828 | 0.774 | 1 | 5 |
), ArticleFig(id=1156880352980590830, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 契约农业 | 销售合同 | 生产管理合同 | 资源提供合同 |
| (1) | (2) | (3) | (4) |
| 年龄 | 0.015(0.025) | -0.001(0.026) | ${0.022}\left({0.036}\right)$ | ${0.171}{}^{**}\left({0.078}\right)$ |
| 性别 | $-{0.266}\left({0.520}\right)$ | $-{0.175}\left({0.549}\right)$ | ${0.272}\left({0.780}\right)$ | 2.423 ${}^{*}$(1.282) |
| 受教育程度 | ${0.263}\left({0.257}\right)$ | ${0.083}\left({0.278}\right)$ | ${0.120}\left({0.390}\right)$ | 2.928***( 1.032 ) |
| 村干部 | 0.140 (0.853) | 0.341 (0.875) | $-{0.251}\left({1.301}\right)$ | 0.596(4.559) |
| 养殖年限 | $-{0.053}^{*}\left({0.028}\right)$ | $-{0.041}\left({0.031}\right)$ | $-{0.038}\left({0.045}\right)$ | $-{0.173}^{**}\left({0.087}\right)$ |
| 养牛人数 | -0.188(0.296) | $-{0.506}\left({0.346}\right)$ | 0.473(0.384) | 0.938 (0.727) |
| 养殖规模 | 0.029***( 0.009 ) | 0.022***( 0.009 ) | ${0.028}^{***}\left({0.008}\right)$ | ${0.019}^{**}\left({0.009}\right)$ |
| 养殖培训 | ${0.780}{}^{***}\left({0.095}\right)$ | ${0.895}^{***}\left({0.113}\right)$ | 0.593***( 0.119 ) | 0.464***( 0.145 ) |
| 正规贷款 | -0.511 (0.447) | -0.676(0.464) | $-{0.360}\left({0.849}\right)$ | ${3.433}^{*}\left({1.767}\right)$ |
| 信息获取程度 | -0.017(0.229) | -0.268(0.242) | 0.355(0.389) | 0.942 (0.637) |
| 专用性投资 | 0.538 (0.400) | 0.254 (0.396) | 1.695 ${}^{***}\left({0.613}\right)$ | 2.${138}^{**}\left({0.893}\right)$ |
| 肉牛出售难度 | ${0.263}\left({0.270}\right)$ | 0.167(0.283) | ${0.901}^{**}\left({0.451}\right)$ | 1.887***( 0.666 ) |
| 常数项 | $-{7.027}^{***}\left({2.298}\right)$ | $-{3.622}\left({2.400}\right)$ | $-{17.135}{}^{***}\left({4.413}\right)$ | $-{45.706}{}^{***}\left({12.014}\right)$ |
| Pseudo ${R}^{2}$ | 0.719 | 0.666 | 0.791 | 0.883 |
| 观测值 | 610 | 378 | 287 | 251 |
), ArticleFig(id=1156880353077059823, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表2, caption=
基于 Logit 模型的倾向得分估计结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 契约农业 | 销售合同 | 生产管理合同 | 资源提供合同 |
| (1) | (2) | (3) | (4) |
| 年龄 | 0.015(0.025) | -0.001(0.026) | ${0.022}\left({0.036}\right)$ | ${0.171}{}^{**}\left({0.078}\right)$ |
| 性别 | $-{0.266}\left({0.520}\right)$ | $-{0.175}\left({0.549}\right)$ | ${0.272}\left({0.780}\right)$ | 2.423 ${}^{*}$(1.282) |
| 受教育程度 | ${0.263}\left({0.257}\right)$ | ${0.083}\left({0.278}\right)$ | ${0.120}\left({0.390}\right)$ | 2.928***( 1.032 ) |
| 村干部 | 0.140 (0.853) | 0.341 (0.875) | $-{0.251}\left({1.301}\right)$ | 0.596(4.559) |
| 养殖年限 | $-{0.053}^{*}\left({0.028}\right)$ | $-{0.041}\left({0.031}\right)$ | $-{0.038}\left({0.045}\right)$ | $-{0.173}^{**}\left({0.087}\right)$ |
| 养牛人数 | -0.188(0.296) | $-{0.506}\left({0.346}\right)$ | 0.473(0.384) | 0.938 (0.727) |
| 养殖规模 | 0.029***( 0.009 ) | 0.022***( 0.009 ) | ${0.028}^{***}\left({0.008}\right)$ | ${0.019}^{**}\left({0.009}\right)$ |
| 养殖培训 | ${0.780}{}^{***}\left({0.095}\right)$ | ${0.895}^{***}\left({0.113}\right)$ | 0.593***( 0.119 ) | 0.464***( 0.145 ) |
| 正规贷款 | -0.511 (0.447) | -0.676(0.464) | $-{0.360}\left({0.849}\right)$ | ${3.433}^{*}\left({1.767}\right)$ |
| 信息获取程度 | -0.017(0.229) | -0.268(0.242) | 0.355(0.389) | 0.942 (0.637) |
| 专用性投资 | 0.538 (0.400) | 0.254 (0.396) | 1.695 ${}^{***}\left({0.613}\right)$ | 2.${138}^{**}\left({0.893}\right)$ |
| 肉牛出售难度 | ${0.263}\left({0.270}\right)$ | 0.167(0.283) | ${0.901}^{**}\left({0.451}\right)$ | 1.887***( 0.666 ) |
| 常数项 | $-{7.027}^{***}\left({2.298}\right)$ | $-{3.622}\left({2.400}\right)$ | $-{17.135}{}^{***}\left({4.413}\right)$ | $-{45.706}{}^{***}\left({12.014}\right)$ |
| Pseudo ${R}^{2}$ | 0.719 | 0.666 | 0.791 | 0.883 |
| 观测值 | 610 | 378 | 287 | 251 |
), ArticleFig(id=1156880353148362992, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 匹配方法 | 处理组1与控制组 | 处理组2与控制组 | 处理组3与控制组 | 处理组4与控制组 |
| Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) | Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) | Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) | Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) |
| 匹配前 | 0.135 | 89.76 | 28.0 | 0.132 | 105.98 | 16.4 | 0.171 | 109.63 | 33.0 | 0.374 | 201.01 | 48.6 |
| 最近邻匹配 | 0.025 | 24.56 | 8.6 | 0.012 | 7.21 | 6.0 | 0.018 | 6.61 | 7.1 | 0.043 | 11.58 | 14.0 |
| 卡尺匹配 | 0.022 | 22.18 | 8.8 | 0.009 | 5.71 | 5.2 | 0.008 | 2.95 | 4.3 | 0.014 | 3.93 | 6.8 |
| 卡尺内最近邻匹配 | 0.025 | 24.56 | 8.6 | 0.012 | 7.21 | 6.0 | 0.018 | 6.61 | 7.1 | 0.041 | 11.03 | 13.5 |
| 核匹配 | 0.026 | 26.76 | 9.6 | 0.013 | 7.90 | 6.4 | 0.003 | 1.05 | 2.3 | 0.025 | 6.70 | 9.9 |
), ArticleFig(id=1156880353236443377, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表3, caption=
不同匹配方法的稳健性检验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 匹配方法 | 处理组1与控制组 | 处理组2与控制组 | 处理组3与控制组 | 处理组4与控制组 |
| Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) | Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) | Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) | Ps ${R}^{2}$ | LR chi ${}^{2}$ | 均值 偏差 (%) |
| 匹配前 | 0.135 | 89.76 | 28.0 | 0.132 | 105.98 | 16.4 | 0.171 | 109.63 | 33.0 | 0.374 | 201.01 | 48.6 |
| 最近邻匹配 | 0.025 | 24.56 | 8.6 | 0.012 | 7.21 | 6.0 | 0.018 | 6.61 | 7.1 | 0.043 | 11.58 | 14.0 |
| 卡尺匹配 | 0.022 | 22.18 | 8.8 | 0.009 | 5.71 | 5.2 | 0.008 | 2.95 | 4.3 | 0.014 | 3.93 | 6.8 |
| 卡尺内最近邻匹配 | 0.025 | 24.56 | 8.6 | 0.012 | 7.21 | 6.0 | 0.018 | 6.61 | 7.1 | 0.041 | 11.03 | 13.5 |
| 核匹配 | 0.026 | 26.76 | 9.6 | 0.013 | 7.90 | 6.4 | 0.003 | 1.05 | 2.3 | 0.025 | 6.70 | 9.9 |
), ArticleFig(id=1156880353391632628, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 匹配方法 | 契约农业 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.750 | 4.207 | 0.544 ** | 0.217 | 12.93 |
| 卡尺匹配 | 4.782 | 4.191 | 0.591*** | 0.193 | 14.10 |
| 卡尺内最近邻匹配 | 4.726 | 4.184 | 0.566 *** | 0.209 | 13.53 |
| 核匹配 | 4.783 | 4.267 | 0.516 ** | 0.245 | 12.09 |
| 平均值 | 4.760 | 4.212 | 0.554 | | 13.16 |
| 匹配方法 | 销售合同 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.678 | 4.032 | 0.646 *** | 0.241 | 16.02 |
| 卡尺匹配 | 4.683 | 4.067 | 0.616 | 0.218 | 15.15 |
| 卡尺内最近邻匹配 | 4.678 | 4.027 | 0.650 *** | 0.243 | 16.14 |
| 核匹配 | 4.683 | 4.032 | 0.651 ** | 0.253 | 16.15 |
| 平均值 | 4.681 | 4.040 | 0.641 | | 15.87 |
| 匹配方法 | 生产管理合同 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.720 | 4.124 | 0.595 ** | 0.292 | 14.43 |
| 卡尺匹配 | 4.810 | 4.229 | 0.581 ** | 0.274 | 13.74 |
| 卡尺内最近邻匹配 | 4.720 | 4.182 | 0.537 ** | 0.273 | 12.84 |
| 核匹配 | 4.810 | 4.403 | 0.507 ** | 0.222 | 11.51 |
| 平均值 | 4.765 | 4.235 | 0.555 | | 13.13 |
| 匹配方法 | 资源提供合同 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.599 | 4.154 | 0.445 | 0.447 | 10.71 |
| 卡尺匹配 | 4.625 | 4.253 | 0.374 | 0.393 | 8.79% |
| 卡尺内最近邻匹配 | 4.596 | 4.232 | 0.367 | 0.485 | 8.67 |
| 核匹配 | 4.599 | 4.045 | 0.554 | 0.538 | 13.70 |
| 平均值 | 4.605 | 4.171 | 0.435 | | 10.47 |
), ArticleFig(id=1156880353517461749, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表4, caption=
参加契约农业对养殖户收入影响的平均处理效应, figureFileSmall=null, figureFileBig=null, tableContent=
| 匹配方法 | 契约农业 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.750 | 4.207 | 0.544 ** | 0.217 | 12.93 |
| 卡尺匹配 | 4.782 | 4.191 | 0.591*** | 0.193 | 14.10 |
| 卡尺内最近邻匹配 | 4.726 | 4.184 | 0.566 *** | 0.209 | 13.53 |
| 核匹配 | 4.783 | 4.267 | 0.516 ** | 0.245 | 12.09 |
| 平均值 | 4.760 | 4.212 | 0.554 | | 13.16 |
| 匹配方法 | 销售合同 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.678 | 4.032 | 0.646 *** | 0.241 | 16.02 |
| 卡尺匹配 | 4.683 | 4.067 | 0.616 | 0.218 | 15.15 |
| 卡尺内最近邻匹配 | 4.678 | 4.027 | 0.650 *** | 0.243 | 16.14 |
| 核匹配 | 4.683 | 4.032 | 0.651 ** | 0.253 | 16.15 |
| 平均值 | 4.681 | 4.040 | 0.641 | | 15.87 |
| 匹配方法 | 生产管理合同 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.720 | 4.124 | 0.595 ** | 0.292 | 14.43 |
| 卡尺匹配 | 4.810 | 4.229 | 0.581 ** | 0.274 | 13.74 |
| 卡尺内最近邻匹配 | 4.720 | 4.182 | 0.537 ** | 0.273 | 12.84 |
| 核匹配 | 4.810 | 4.403 | 0.507 ** | 0.222 | 11.51 |
| 平均值 | 4.765 | 4.235 | 0.555 | | 13.13 |
| 匹配方法 | 资源提供合同 | 未参加契约农业 | 平均处理效应 | 标准误 | 增长率(%) |
| 最近邻匹配 | 4.599 | 4.154 | 0.445 | 0.447 | 10.71 |
| 卡尺匹配 | 4.625 | 4.253 | 0.374 | 0.393 | 8.79% |
| 卡尺内最近邻匹配 | 4.596 | 4.232 | 0.367 | 0.485 | 8.67 |
| 核匹配 | 4.599 | 4.045 | 0.554 | 0.538 | 13.70 |
| 平均值 | 4.605 | 4.171 | 0.435 | | 10.47 |
), ArticleFig(id=1156880353613930746, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理组与控制组 | Gamma | sig+ | sig- | $t -{hat}+$ | $t -{hat}-$ | ${Cl}+$ | ${CI}-$ |
| 处理组1与控制组 | 1 | 0.000 | 0.000 | 0.532 | 0.532 | 0.471 | 0.587 |
| 1.5 | 0.000 | 0.000 | 0.420 | 0.627 | 0.362 | 0.681 |
| 2 | 0.000 | 0.000 | 0.349 | 0.698 | 0.306 | 0.762 |
| 2.5 | 0.000 | 0.000 | 0.309 | 0.759 | 0.257 | 0.827 |
| 处理组2与控制组 | 1 | 0.000 | 0.000 | 0.597 | 0.597 | 0.543 | 0.655 |
| 1.5 | 0.000 | 0.000 | 0.521 | 0.674 | 0.465 | 0.755 |
| 2 | 0.000 | 0.000 | 0.469 | 0.746 | 0.421 | 0.835 |
| 2.5 | 0.000 | 0.000 | 0.438 | 0.809 | 0.395 | 0.887 |
| 处理组3与控制组 | 1 | 0.000 | 0.000 | 0.568 | 0.568 | 0.517 | 0.626 |
| 1.5 | 0.000 | 0.000 | 0.518 | 0.622 | 0.473 | 0.692 |
| 2 | 0.000 | 0.000 | 0.489 | 0.669 | 0.438 | 0.742 |
| 2.5 | 0.000 | 0.000 | 0.466 | 0.706 | 0.417 | 0.796 |
| 处理组4与控制组 | 1 | 0.000 | 0.000 | 0.802 | 0.802 | 0.598 | 0.984 |
| 1.5 | 0.000 | 0.000 | 0.651 | 0.938 | 0.476 | 1.150 |
| 2 | 0.000 | 0.000 | 0.561 | 1.021 | 0.366 | 1.277 |
| 2.5 | 0.000 | 0.000 | 0.507 | 1.111 | 0.294 | 1.347 |
), ArticleFig(id=1156880353727176959, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表5, caption=
敏感性分析, figureFileSmall=null, figureFileBig=null, tableContent=
| 处理组与控制组 | Gamma | sig+ | sig- | $t -{hat}+$ | $t -{hat}-$ | ${Cl}+$ | ${CI}-$ |
| 处理组1与控制组 | 1 | 0.000 | 0.000 | 0.532 | 0.532 | 0.471 | 0.587 |
| 1.5 | 0.000 | 0.000 | 0.420 | 0.627 | 0.362 | 0.681 |
| 2 | 0.000 | 0.000 | 0.349 | 0.698 | 0.306 | 0.762 |
| 2.5 | 0.000 | 0.000 | 0.309 | 0.759 | 0.257 | 0.827 |
| 处理组2与控制组 | 1 | 0.000 | 0.000 | 0.597 | 0.597 | 0.543 | 0.655 |
| 1.5 | 0.000 | 0.000 | 0.521 | 0.674 | 0.465 | 0.755 |
| 2 | 0.000 | 0.000 | 0.469 | 0.746 | 0.421 | 0.835 |
| 2.5 | 0.000 | 0.000 | 0.438 | 0.809 | 0.395 | 0.887 |
| 处理组3与控制组 | 1 | 0.000 | 0.000 | 0.568 | 0.568 | 0.517 | 0.626 |
| 1.5 | 0.000 | 0.000 | 0.518 | 0.622 | 0.473 | 0.692 |
| 2 | 0.000 | 0.000 | 0.489 | 0.669 | 0.438 | 0.742 |
| 2.5 | 0.000 | 0.000 | 0.466 | 0.706 | 0.417 | 0.796 |
| 处理组4与控制组 | 1 | 0.000 | 0.000 | 0.802 | 0.802 | 0.598 | 0.984 |
| 1.5 | 0.000 | 0.000 | 0.651 | 0.938 | 0.476 | 1.150 |
| 2 | 0.000 | 0.000 | 0.561 | 1.021 | 0.366 | 1.277 |
| 2.5 | 0.000 | 0.000 | 0.507 | 1.111 | 0.294 | 1.347 |
), ArticleFig(id=1156880353819451649, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 内生性检验 | 稳健性检验 |
| (1) | (2) | (3) | (4) | (5) | (6) |
| 契约农业 | | 1.185 ${}^{**}$(0.513) | | 1.341 ${}^{***}\left({0.179}\right)$ | 0.645 ${}^{***}\left({0.109}\right)$ | 1.153 ${}^{***}\left({0.087}\right)$ |
| 养殖户集聚程度 | ${0.310}^{**}\left({0.155}\right)$ | | | | | |
| 合作社了解程度 | | | 0.082 ${}^{***}\left({0.013}\right)$ | | | |
| ${IMR}$ | | | | | $-{0.590}^{***}\left({0.061}\right)$ | |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | -0.105(0.174) | 2.146 ${}^{***}\left({0.173}\right)$ | ${0.129}\left({0.118}\right)$ | 1.963 ${}^{***}\left({0.140}\right)$ | 3.427 ${}^{***}\left({0.186}\right)$ | ${0.86}{0}^{***}\left({0.171}\right)$ |
| 第一阶段 F | 56.351 | | 42.249 | | | |
| Adj ${R}^{2}/{R}^{2}$ | 0.739 | 0.814 | 0.593 | 0.705 | 0.836 | 0.860 |
| 观测值 | 610 | 610 | 610 | 610 | 610 | 610 |
), ArticleFig(id=1156880353890754819, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表6, caption=
稳健性检验结果, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 内生性检验 | 稳健性检验 |
| (1) | (2) | (3) | (4) | (5) | (6) |
| 契约农业 | | 1.185 ${}^{**}$(0.513) | | 1.341 ${}^{***}\left({0.179}\right)$ | 0.645 ${}^{***}\left({0.109}\right)$ | 1.153 ${}^{***}\left({0.087}\right)$ |
| 养殖户集聚程度 | ${0.310}^{**}\left({0.155}\right)$ | | | | | |
| 合作社了解程度 | | | 0.082 ${}^{***}\left({0.013}\right)$ | | | |
| ${IMR}$ | | | | | $-{0.590}^{***}\left({0.061}\right)$ | |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | -0.105(0.174) | 2.146 ${}^{***}\left({0.173}\right)$ | ${0.129}\left({0.118}\right)$ | 1.963 ${}^{***}\left({0.140}\right)$ | 3.427 ${}^{***}\left({0.186}\right)$ | ${0.86}{0}^{***}\left({0.171}\right)$ |
| 第一阶段 F | 56.351 | | 42.249 | | | |
| Adj ${R}^{2}/{R}^{2}$ | 0.739 | 0.814 | 0.593 | 0.705 | 0.836 | 0.860 |
| 观测值 | 610 | 610 | 610 | 610 | 610 | 610 |
), ArticleFig(id=1156880354071109896, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 分类标准 | 契约农业 | 销售合同 | 生产管理合同 | 资源提供合同 |
| 平均处理效应 | 平均处理效应 | 平均处理效应 | 平均处理效应 |
| 养殖年限 | 大于均值 | ${0.539}^{**}\left({0.268}\right)$ | ${0.603}\left({0.456}\right)$ | ${0.475}^{**}\left({0.213}\right)$ | 0.017(0.434) |
| 小于均值 | 0.722 ${}^{**}$(0.312) | ${0.669}^{***}\left({0.254}\right)$ | ${0.084}\left({0.255}\right)$ | 0.826(0.563) |
| 养殖规模 | 大于均值 | ${0.481}^{***}\left({0.100}\right)$ | ${0.769}^{***}\left({0.158}\right)$ | ${0.898}{}^{**}\left({0.450}\right)$ | 0.255(0.256) |
| 小于均值 | ${0.471}{}^{***}\left({0.111}\right)$ | ${0.377}^{***}\left({0.099}\right)$ | ${0.263}\left({0.182}\right)$ | 0.317(0.403) |
| 养殖培训 | 大于均值 | ${0.658}^{**}\left({0.297}\right)$ | ${0.641}^{*}\left({0.360}\right)$ | ${0.516}^{*}\left({0.290}\right)$ | ${0.619}^{*}\left({0.357}\right)$ |
| 小于均值 | ${0.829}^{**}\left({0.406}\right)$ | 1.071 ${}^{***}\left({0.165}\right)$ | 0.250 (0.296) | ${0.645}\left({0.665}\right)$ |
), ArticleFig(id=1156880354192744715, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表7, caption=
参加契约农业对养殖户收入影响效应的组群差异, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 分类标准 | 契约农业 | 销售合同 | 生产管理合同 | 资源提供合同 |
| 平均处理效应 | 平均处理效应 | 平均处理效应 | 平均处理效应 |
| 养殖年限 | 大于均值 | ${0.539}^{**}\left({0.268}\right)$ | ${0.603}\left({0.456}\right)$ | ${0.475}^{**}\left({0.213}\right)$ | 0.017(0.434) |
| 小于均值 | 0.722 ${}^{**}$(0.312) | ${0.669}^{***}\left({0.254}\right)$ | ${0.084}\left({0.255}\right)$ | 0.826(0.563) |
| 养殖规模 | 大于均值 | ${0.481}^{***}\left({0.100}\right)$ | ${0.769}^{***}\left({0.158}\right)$ | ${0.898}{}^{**}\left({0.450}\right)$ | 0.255(0.256) |
| 小于均值 | ${0.471}{}^{***}\left({0.111}\right)$ | ${0.377}^{***}\left({0.099}\right)$ | ${0.263}\left({0.182}\right)$ | 0.317(0.403) |
| 养殖培训 | 大于均值 | ${0.658}^{**}\left({0.297}\right)$ | ${0.641}^{*}\left({0.360}\right)$ | ${0.516}^{*}\left({0.290}\right)$ | ${0.619}^{*}\left({0.357}\right)$ |
| 小于均值 | ${0.829}^{**}\left({0.406}\right)$ | 1.071 ${}^{***}\left({0.165}\right)$ | 0.250 (0.296) | ${0.645}\left({0.665}\right)$ |
), ArticleFig(id=1156880354293408014, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 养殖户收入 | 养殖成本 | 养殖收入 | 养殖技术 | 养殖收入 |
| (1) | (2) | (3) | (4) | (5) |
| 契约农业 | 1.341 ${}^{***}\left({0.179}\right)$ | $-{0.340}{}^{***}\left({0.025}\right)$ | 1.140 ${}^{***}\left({0.085}\right)$ | ${0.375}^{***}\left({0.046}\right)$ | 1.219 ${}^{***}\left({0.083}\right)$ |
| 养殖成本 | | | $-{0.542}{}^{***}\left({0.071}\right)$ | | |
| 养殖技术 | | | | | ${0.328}^{***}\left({0.046}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | ${1.963}^{***}\left({0.140}\right)$ | -0.025(0.010) | 1.964 ${}^{***}\left({0.140}\right)$ | ${0.67}{0}^{***}\left({0.129}\right)$ | 1.845 (0.148) |
| Adj-${R}^{2}$ | 0.807 | 0.270 | 0.813 | 0.138 | 0.809 |
| 观测值 | 610 | 610 | 610 | 610 | 610 |
| Sobel 检验 | $p ={0.000}<{0.05}$,中介效应成立 | $p ={0.000}<{0.05}$,中介效应成立 |
| 中介效应占比(%) | 13.74 | 9.17 |
), ArticleFig(id=1156880354373099795, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表8, caption=
养殖成本和养殖技术的中介效应检验, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 养殖户收入 | 养殖成本 | 养殖收入 | 养殖技术 | 养殖收入 |
| (1) | (2) | (3) | (4) | (5) |
| 契约农业 | 1.341 ${}^{***}\left({0.179}\right)$ | $-{0.340}{}^{***}\left({0.025}\right)$ | 1.140 ${}^{***}\left({0.085}\right)$ | ${0.375}^{***}\left({0.046}\right)$ | 1.219 ${}^{***}\left({0.083}\right)$ |
| 养殖成本 | | | $-{0.542}{}^{***}\left({0.071}\right)$ | | |
| 养殖技术 | | | | | ${0.328}^{***}\left({0.046}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | ${1.963}^{***}\left({0.140}\right)$ | -0.025(0.010) | 1.964 ${}^{***}\left({0.140}\right)$ | ${0.67}{0}^{***}\left({0.129}\right)$ | 1.845 (0.148) |
| Adj-${R}^{2}$ | 0.807 | 0.270 | 0.813 | 0.138 | 0.809 |
| 观测值 | 610 | 610 | 610 | 610 | 610 |
| Sobel 检验 | $p ={0.000}<{0.05}$,中介效应成立 | $p ={0.000}<{0.05}$,中介效应成立 |
| 中介效应占比(%) | 13.74 | 9.17 |
), ArticleFig(id=1156880354461180182, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 养殖户收入 |
| (1) | (2) | (3) | (4) |
| 契约农业 | 1.456***( 0.026 ) | | | |
| 销售合同 | | ${0.621}^{***}\left({0.036}\right)$ | | |
| 生产管理合同 | | | ${0.091}^{*}\left({0.052}\right)$ | |
| 资源提供合同 | | | | 0.217(0.161) |
| 养殖接力 | ${0.330}^{***}\left({0.019}\right)$ | 0.428 ${}^{***}\left({0.042}\right)$ | ${0.428}^{***}\left({0.050}\right)$ | ${0.433}^{***}\left({0.050}\right)$ |
| 契约农业×养殖接力 | 1.529 ${}^{***}\left({0.048}\right)$ | | | |
| 销售合同×养殖接力 | | 0.238***( 0.087 ) | | |
| 生产管理合同×养殖接力 | | | ${0.328}{}^{**}\left({0.129}\right)$ | |
| 资源提供合同×养殖接力 | | | | ${0.475}^{***}\left({0.144}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | ${2.851}^{***}\left({0.081}\right)$ | 1.652 ${}^{***}\left({0.181}\right)$ | 2.${520}^{***}\left({0.210}\right)$ | 2.193 ${}^{***}\left({0.219}\right)$ |
| Adj-${R}^{2}$ | 0.874 | 0.869 | 0.806 | 0.811 |
| 观测值 | 610 | 610 | 610 | 610 |
), ArticleFig(id=1156880354553454873, tenantId=1146029695717560320, journalId=1146120045056339983, articleId=1156642663756583468, language=CN, label=表9, caption=
养殖接力的调节效应检验, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | 养殖户收入 |
| (1) | (2) | (3) | (4) |
| 契约农业 | 1.456***( 0.026 ) | | | |
| 销售合同 | | ${0.621}^{***}\left({0.036}\right)$ | | |
| 生产管理合同 | | | ${0.091}^{*}\left({0.052}\right)$ | |
| 资源提供合同 | | | | 0.217(0.161) |
| 养殖接力 | ${0.330}^{***}\left({0.019}\right)$ | 0.428 ${}^{***}\left({0.042}\right)$ | ${0.428}^{***}\left({0.050}\right)$ | ${0.433}^{***}\left({0.050}\right)$ |
| 契约农业×养殖接力 | 1.529 ${}^{***}\left({0.048}\right)$ | | | |
| 销售合同×养殖接力 | | 0.238***( 0.087 ) | | |
| 生产管理合同×养殖接力 | | | ${0.328}{}^{**}\left({0.129}\right)$ | |
| 资源提供合同×养殖接力 | | | | ${0.475}^{***}\left({0.144}\right)$ |
| 控制变量 | 控制 | 控制 | 控制 | 控制 |
| 常数项 | ${2.851}^{***}\left({0.081}\right)$ | 1.652 ${}^{***}\left({0.181}\right)$ | 2.${520}^{***}\left({0.210}\right)$ | 2.193 ${}^{***}\left({0.219}\right)$ |
| Adj-${R}^{2}$ | 0.874 | 0.869 | 0.806 | 0.811 |
| 观测值 | 610 | 610 | 610 | 610 |
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