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西部生态脆弱区秸秆焚烧或饲料化利用选择分析——基于Bivariate-Probit模型 被引量:6
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作者 韩枫 朱立志 《农村经济》 CSSCI 北大核心 2016年第12期74-81,共8页
本文基于调研数据,以甘肃定西和临夏地区为例,对秸秆焚烧意愿与秸秆焚烧行为的关联与分歧,及秸秆利用行为,采用双变量probit模型,进行实证分析。结果表明,农户的秸秆焚烧意愿对秸秆焚烧行为具有正相关关系;意愿与行为之间存在整体一致性... 本文基于调研数据,以甘肃定西和临夏地区为例,对秸秆焚烧意愿与秸秆焚烧行为的关联与分歧,及秸秆利用行为,采用双变量probit模型,进行实证分析。结果表明,农户的秸秆焚烧意愿对秸秆焚烧行为具有正相关关系;意愿与行为之间存在整体一致性,两者的分歧在于当地资源、经济环境的特殊性;年龄、性别、家中劳力受教育程度、家中常住人口、距离集贸市场的远近、外出务工收入、农户对周边环境感知、有无禁烧规定等都是影响农户秸秆焚烧意愿与焚烧行为的主要因素;农户的秸秆饲料化行为受到家庭距离集贸市场远近、耕地面积、牲畜养殖量、外出务工收入、有无禁烧规定及地区变量的影响;而农户的秸秆出售行为主要受到家庭距离集贸市场的远近和牲畜养殖数量及地区变量的影响。 展开更多
关键词 秸秆焚烧 秸秆饲料化 秸秆出售 bivariateprobit模型
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农户农地信用担保融资方式选择及其影响因素研究——来自3省份农户调查的微观证据 被引量:5
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作者 胡杰 罗剑朝 《世界农业》 CSSCI 2020年第10期63-70,共8页
缺乏抵押物、担保人是导致农户融资难的关键因素,农地信用担保融资以土地及其派生权益为担保标的,在农地金融改革创新中起着重要作用,有利于解决农户融资难问题。本文基于陕西、宁夏及江苏3省份农户调查的750户田野调查数据,采用Bivaria... 缺乏抵押物、担保人是导致农户融资难的关键因素,农地信用担保融资以土地及其派生权益为担保标的,在农地金融改革创新中起着重要作用,有利于解决农户融资难问题。本文基于陕西、宁夏及江苏3省份农户调查的750户田野调查数据,采用Bivariate Probit模型实证研究农户农地信用担保融资方式选择及其影响因素。研究结果表明:农户选择不同农地信用担保融资方式的影响因素既存在差异也存在共性。其中,户主年龄、农业净收入、农地价值评估方式、解决资金困难程度、改善家庭生活程度、金融机构信誉、服务态度、未来3年借贷需求和近3年正规信贷经历等变量均会影响农户选择农地经营权抵押融资和农地收益保证融资;而贷款期限会影响农户选择农地经营权抵押融资或农地收益保证融资;利率评价只影响农户选择农地收益保证融资,业务积极性只影响农户选择农地经营权抵押融资。基于此,本文提出优化产品设计,凸现业务优势;因地制宜开展农地信用担保融资业务等建议。 展开更多
关键词 农地信用担保融资 农地经营权抵押 农地收益保证 bivariate probit模型
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可追溯蔬菜的消费者购买意愿与行为特征分析——基于江苏6个设区市的微观证据
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作者 葛灿菂 朱大威 朱方林 《农业展望》 2023年第3期69-79,共11页
农产品可追溯体系是降低信息不对称的有效手段,但消费者对其认知度较低,购买行为与购买意愿可能存在偏差。以江苏省688个消费者调查数据为样本,构建Bivariate Probit模型,实证分析消费者对可追溯蔬菜的购买意愿与实际购买行为特征。结... 农产品可追溯体系是降低信息不对称的有效手段,但消费者对其认知度较低,购买行为与购买意愿可能存在偏差。以江苏省688个消费者调查数据为样本,构建Bivariate Probit模型,实证分析消费者对可追溯蔬菜的购买意愿与实际购买行为特征。结果表明,消费者对可追溯蔬菜具有较高的购买意愿,但购买行为与意愿之间存在较大偏差。购买意愿与购买行为的影响因素既有共通性也有差异性:可追溯试点项目认知及食品安全经历同时影响消费者的购买意愿与购买行为;家庭蔬菜消费量、担心优质蔬菜质量及受教育程度等因素显著影响购买意愿;购买包装鲜菜、购菜时查看蔬菜标签、家庭收入以及家中有儿童等因素显著影响购买行为。最后,根据研究结论,提出扩大可追溯蔬菜项目试点范围、合理定价、完善追溯标准、耦合追溯体系与质量认证体系等政策建议。 展开更多
关键词 可追溯蔬菜 消费需求 bivariate probit模型 购买意愿 购买行为
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Discovering Niche Market: Consumer Preferences and Willingness to Pay for Organic Pork
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作者 Ayooth Yooyen Nisachon Leerattanakom 《Chinese Business Review》 2012年第3期251-264,共14页
With the concern for environmental quality and food safety, organic food products are becoming more important in the global market. In recent years the organic food industry has been expanding and sales of organic pro... With the concern for environmental quality and food safety, organic food products are becoming more important in the global market. In recent years the organic food industry has been expanding and sales of organic products have been increasing. Abundant studies have been done focusing on organic fruits and vegetables which focused on the shortage of organic live stocks. In this paper we focus our attention on organic pork products. Using a sample of 400 Thais consumers, this study proposes the contingent valuation (CV) technique to measure the willingness of individuals to pay a price premium for organic pork in Thailand. In order to obtain the mean "willingness to pay" (WTP), a bivariate probit model was applied to provide information about the crucial variables that affect the WTP. The study revealed that variables that better approximate WTP are based on the lifestyle and knowledge about organic foods rather than the usual socioeconomic factors. The mean WTP on the premium price for organic pork is approximately 34.30 Bath per kg. In order to access the market potential this study shows that the suitable attributes of organic pork which is consistent with consumer preferences are composed of modernized and environmental packaging with special product details. Marketing this product to the buyer it should be set at a reasonable price. Stimulating the market should be done by doing sales promotion and public relations on a regularly basis. In addition, organic pork should be available in any places and convenient for customers to buy. 展开更多
关键词 organic pork willingness to pay bivariate probit model consumer preferences
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“保险+期货”试点保险与传统农业保险——替代还是互补 被引量:30
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作者 方蕊 安毅 胡可为 《农业技术经济》 CSSCI 北大核心 2021年第11期16-30,共15页
本文利用对黑龙江省4个县(市)农户调研获得的560份样本数据,采用Bivariate Probit模型探讨了农户对"保险+期货"试点保险与传统农业保险曾经的参保经验对其未来参与意愿的影响,进而分析试点保险与传统农业保险间的相关关系。... 本文利用对黑龙江省4个县(市)农户调研获得的560份样本数据,采用Bivariate Probit模型探讨了农户对"保险+期货"试点保险与传统农业保险曾经的参保经验对其未来参与意愿的影响,进而分析试点保险与传统农业保险间的相关关系。研究发现,传统农业保险的参保经验会对"保险+期货"试点保险的开展形成互补效应,但试点保险的出现却对传统农业保险形成替代效应,使传统农业保险面临被挤出市场的风险。同时,传统农业保险对试点保险的互补效应及试点保险对传统农业保险的替代效应在农业高收入组和参加过农业风险培训组农户群体中更为明显,这启示了未来"保险+期货"试点的推广可以以这两类群体作为主要突破口。另外,试点保险的发展可能引发我国农业保险体系的重塑,在这一进程中应注意着力发展收入保险为主的保险产品,真正为农户提供农业收入的托底保障。 展开更多
关键词 参保经验 参与意愿 农业保险 bivariate probit模型
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Covering or monitoring?Independent director connectedness and corporate fraud in China 被引量:1
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作者 Jieli Xing Yongjie Zhang +1 位作者 Xiong Xiong Guangzhong Li 《China Journal of Accounting Research》 2022年第4期155-173,共19页
This paper examines how independent directors’social capital,as measured by their social network,affects corporate fraud.We find that firms with wellconnected independent directors are less likely to commit fraud,sup... This paper examines how independent directors’social capital,as measured by their social network,affects corporate fraud.We find that firms with wellconnected independent directors are less likely to commit fraud,supporting our monitoring effect hypothesis.This result is robust to a battery of tests.Further analyses show that the effect is stronger for firms with a relatively poor legal environment,for firms whose independent directors face strong reputation incentives and when independent directors are audit committee members.Moreover,we explore a potential economic mechanism of the effect and observe that well-connected independent directors are associated with less absenteeism and more dissension.Overall,our findings suggest that independent directors’social capital plays an important role in corporate governance. 展开更多
关键词 Corporate fraud Independent director connectedness Social capital Monitoring effect bivariate probit model with partial observability
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How has COVID-19 changed trip patterns by purpose in China?
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作者 Enru Zhou Jaeyoung Lee 《Transportation Safety and Environment》 EI 2022年第4期76-87,共12页
COVID-19 has upended the whole world. Due to travel restrictions by governments and increased perceived risks of the disease, therehave been significant changes in social activities and travel patterns. This paper inv... COVID-19 has upended the whole world. Due to travel restrictions by governments and increased perceived risks of the disease, therehave been significant changes in social activities and travel patterns. This paper investigates the effects of COVID-19 on changes toindividuals’ travel patterns, particularly for travel purposes. An online questionnaire survey was conducted in China, which incorporatesquestions about individuals’ sociodemographic and travel characteristics in three different periods of COVID-19 (i.e. before theoutbreak, at the peak and after the peak;the peak here refers to the peak of the pandemic in China, between the end of January and1 May, 2020). The results show that trip frequency decreased sharply from the outbreak until the peak, and drastically increased afterthe peak. Nevertheless, the data fromthis study suggests that it has not fully recovered to the level before the outbreak. Subsequently,a series of random parameters bivariate Probit models for changes in travel patterns were estimated with personal characteristics.The findings demonstrate that during the peak of the pandemic, residents who did not live in more developed cities reached lowfrequencytravel patterns more quickly. For travel purposes, residents of Wuhan, China resumed travelling for work, entertainmentand buy necessities at a much higher rate than other cities. After the peak, students’ travel for work, entertainment and to buy necessitiesrecovered significantly faster than for other occupations. The findings would be helpful for establishing effective policies tocontrol individual travel and minimize disease spread in a possible future pandemic. 展开更多
关键词 COVID-19 trip purpose travel pattern questionnaire survey bivariate probit model
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Exploring the factors affecting electric bicycle riders'working conditions and crash involvement in Ningbo,China 被引量:2
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作者 Jibiao Zhou Ying Shen +1 位作者 Yanyong Guo Sheng Dong 《Journal of Traffic and Transportation Engineering(English Edition)》 EI CSCD 2023年第4期633-646,共14页
The rapid development of the delivery industry brings convenience to modern society.However,the high rates of crashes and the survival of electric bicycle(e-bike)riders in the delivery industry raise concerns.The prim... The rapid development of the delivery industry brings convenience to modern society.However,the high rates of crashes and the survival of electric bicycle(e-bike)riders in the delivery industry raise concerns.The primary objective of this study is to explore the factors affecting delivery e-bike riders’stressful work pressure and crash involvement in China.Data were collected by a questionnaire survey administered in the city of Ningbo,China.A bivariate ordered probit(BOP)model was developed to simultaneously examine the factors associated with both the working conditions of delivery e-bike riders and their involvement in crashes.The marginal effects for the contributory factors were calculated to quantify their impacts on the outcomes.The results showed that the BOP model can account for commonly unobserved characteristics of the working conditions and crash involvement of delivery e-bike riders.The BOP model results showed that the stressful working conditions of delivery e-bike riders were affected by the number of orders and delivery time and rider age and risky riding behaviors.Delivery rider involvement in crashes was affected by the number of orders,strength of the punishment for traffic violations,and familiarity with traffic regulations.It was also found that stressful working conditions and crash involvement were strongly and positively correlated.The findings of this study can enhance our understanding of the factors that affect the working conditions and delivery rider crash involvement.Based on the results,some suggestions regarding public policy,risky riding behaviors,safety promotion,and stronger corporate governance rules were discussed to increase the targeted safety-related interventions for delivery ebike riders in Ningbo,China. 展开更多
关键词 Traffic safety Stressful working conditions bivariate ordered probit model Electric bicycleriders Crash involvement Delivery e-bike
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