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The Effect of Raising Electricity Price on Welfare of the Household Sector in Rural Areas of Guilan Province, Iran 提高电价对伊朗桂兰农村家庭部门福利的影响
Pub Date : 2017-06-01 DOI: 10.22004/AG.ECON.262680
H. Salehi, Esfandiar Doshman Ziari, M. Ziaei
Present study investigates the effect of soaring residential electricity price on the welfare of rural individuals in Guilan Province by Almost Ideal Demand System (AIDS) in which the elasticity’s and welfare variations were calculated by Compensation Variations (CV) and Equivalent Variations (EV) for the time period of 1991-2012. It was shown that the absolute value of income and price elasticity of electricity was less than one unit. Low price elasticity of the demand shows the slight impact of price variations on the demand for electricity in the studied period, on the one hand, and the lack of an appropriate substitute for electricity in residential sector, on the other hand. The calculation of welfare variations and its comparison with the share of electricity in the paid subsidy shows that with 50% and 100% increase in residential electricity price, the cash paid to the households is less that the amount acquired. Accordingly, it can be argued that the direct effect of residential electricity price modification (increase) has not been compensated. In fact, the welfare loss of the households, due to more expensive electricity, is more than the acquired welfare. Yet, in a gradual increase scenario, the calculated CV is less than the payments to the families, and hence it is the only price policy that does not impose a loss on families and improves their welfare.
本研究采用近似理想需求系统(AIDS)研究了1991-2012年期间桂兰省居民电价飙升对农村居民福利的影响。结果表明,电力收入的绝对值和价格弹性小于一个单位。需求的低价格弹性表明,一方面,在研究期间,价格变化对电力需求的影响很小,另一方面,住宅部门缺乏适当的电力替代品。福利变化的计算及其与已支付补贴中电力份额的比较表明,随着住宅电价上涨50%和100%,支付给家庭的现金少于获得的金额。因此,可以说,居民电价调整(上涨)的直接影响没有得到补偿。事实上,由于更昂贵的电力,家庭的福利损失超过了获得的福利。然而,在逐步增加的情况下,计算出的CV低于支付给家庭的金额,因此这是唯一不会给家庭带来损失并改善其福利的价格政策。
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引用次数: 4
Global GAP Standard Compliance and Profitability: A Case Study of Smallholder Pineapple Farmers in Akuapem South of Ghana 全球GAP标准合规性和盈利能力:加纳南部阿库阿佩姆菠萝小农的案例研究
Pub Date : 2017-06-01 DOI: 10.22004/AG.ECON.262637
P. B. Annor
The present study examined the perception of smallholder pineapple farmers on Global GAP standard compliance, assessed compliant farmers’ rate of adherence to standard requirements, and compared the average farm profit of Global GAP compliant and non-compliant pineapple farmers in Akuapem South Municipal Area of Ghana. The study used mainly farm level data solicited from 150 randomly selected pineapple farmers. Findings of the study indicated that compliant farmers perceived Global GAP to offer market premium on certified products as it is the case for organic certification. Factors that accounted for farmer non-compliance with Global GAP included: high cost of standard compliance, uncompetitive farm gate price and low farm yield.  Although average farm profit of Global GAP compliant farmer (GH¢9,083.64) was higher than that of non-compliant farmer (GH¢8,893.62), the difference was insignificant. The study recommended, among others, that a concerted attempt should be made by the Government of Ghana and the private sector to create a national commodity exchange institution that will seek to provide a transparent and efficient marketing system for Ghana’s key agricultural commodities.
本研究考察了小菠萝农对全球GAP标准合规的看法,评估了合规农民对标准要求的遵守率,并比较了加纳阿库阿佩姆南部市区全球GAP合规和不合规菠萝农的平均农场利润。该研究主要使用了随机选择的150名菠萝种植者的农场数据。研究结果表明,合规农民认为全球GAP为认证产品提供市场溢价,就像有机认证的情况一样。导致农民不遵守全球GAP的因素包括:符合标准的高成本、没有竞争力的农场入门价格和低农场产量。虽然全球GAP合规农户的平均农场利润(GH¢9,083.64)高于不合规农户(GH¢8,893.62),但差异不显著。研究报告建议,除其他外,加纳政府和私营部门应作出协调一致的努力,建立一个国家商品交换机构,力求为加纳的主要农产品提供一个透明和有效的销售制度。
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引用次数: 5
Advantages and Disadvantages of Participatory Plant Breeding (PPB) in Iran: A Study Based on Breeders' Perceptions 伊朗参与式植物育种(PPB)的优缺点:基于育种家感知的研究
Pub Date : 2017-06-01 DOI: 10.22004/AG.ECON.262640
A. Naeimi, M. Karbasioun, F. Abbasi
The purpose of this study was to investigate the advantages and disadvantages of Participatory Plant Breeding (PPB). Seventy-six breeders were randomly selected from among 95 breeders who were working at the Seed and Plant Improvement Institute, Karaj, Iran. Data were collected by a questionnaire as the main data collection instrument. The face and content validity of the questionnaire was approved by a panel of agricultural extension and plant breeding experts. The reliability of the questionnaire was calculated and it turned out to be high, ranging from 0.83-0.92. The descriptive findings of the study suggested that the breeders had generally positive perception toward using PPB. The correlation analysis results showed that there is a positive and significant (p>0.01) correlation among the levels of familiarity with PPB, advantages, and breeders’ perception toward the use of PPB. In addition, there was a negative and significant (p>0.01) correlation between breeders' perception of the disadvantages faced by PPB and their perception of using participatory plant breeding. Finally, stepwise regression analysis indicated that the advantages and disadvantages of PPB explained about 58% of the variations in breeders’ perception toward using PPB.
本研究旨在探讨参与式植物育种(PPB)的优缺点。研究人员从伊朗卡拉吉种子和植物改良研究所的95名育种人员中随机抽取了76名育种人员。以问卷调查为主要数据收集工具。问卷的表面效度和内容效度由农业推广和植物育种专家小组批准。对问卷进行信度计算,信度较高,在0.83-0.92之间。描述性研究结果表明,育种者对使用PPB普遍持积极态度。相关分析结果显示,养殖户对PPB的熟悉程度、优势程度与使用PPB的认知度呈显著正相关(p < 0.01)。此外,育种者对PPB面临的不利因素的认知与参与植物育种的认知之间存在显著负相关(p>0.01)。最后,逐步回归分析表明,PPB的优缺点可以解释58%的育种者对使用PPB的看法的差异。
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引用次数: 1
The Effects of Educational, Extension, and Research Factors on the Development of Medicinal Plants in Markazi Province of Iran 教育、推广和研究因素对伊朗马卡齐省药用植物发展的影响
Pub Date : 2017-06-01 DOI: 10.22004/AG.ECON.262647
S. D. Hajimirrahimi
The main objective of this study was identifying the effects of educational, extension and research factors on the development of medicinal plants in Markazi Province of Iran. The statistical population included all managers, extension agents and experts involved in medicinal plants in Markazi Province in 2014 (N = 50), who were selected by the census sampling method (n=50). The research instrument was a questionnaire whose face and content validity were confirmed by a panel of experts and specialists of medicinal plants and also its reliability was estimated by Cronbach's alpha to be 0.78. Results showed that some factors such as informing and training the people about medicinal plants via television and training the physicians about medicinal plants benefits prove more effective in the development of this industry. On the other hand, from among five main factors which explained the variance of medicinal plants development factors, the following three factors have priority: training and extension of medicinal plants (Var. =16.54), educational standards of medicinal plants (Var. =13.18), and technical and vocational education (Var. =11.48). Also, the variables of education level, job experience in agriculture section, current attitude towards development of prescribing medicinal plants by physicians, current amount of using medicinal plants capacity in the province, and assessment of current attitudes toward medicinal plants production, have caused more significant difference in the view of statistical sample about the effect of some educational, extension and research factors on the medicinal plants industry development.
本研究的主要目的是确定教育、推广和研究因素对伊朗马卡齐省药用植物发展的影响。统计人群为2014年马卡齐省所有药用植物管理人员、推广人员和专家(N =50),采用普查抽样法抽取。研究工具为问卷调查,问卷的表面效度和内容效度经药用植物专家小组确认,信度经Cronbach’s alpha估计为0.78。结果表明,通过电视宣传和培训民众对药用植物的认识,以及对医生进行药用植物效益培训等因素对该行业的发展更为有效。另一方面,在解释药用植物发育因子变异的5个主要因素中,以下3个因素优先:药用植物的培训和推广(Var. =16.54)、药用植物的教育水平(Var. =13.18)和技术职业教育(Var. =11.48)。教育程度、农业部门工作经验、医师对药用植物处方发展现状态度、全省药用植物使用能力现状、药用植物生产现状评价等变量对部分教育、推广和研究因素对药用植物产业发展的影响在统计样本上产生了较为显著的差异。
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引用次数: 1
Organic Agriculture: Food for Future Green Consumers in Iran 有机农业:伊朗未来绿色消费者的食品
Pub Date : 2017-05-30 DOI: 10.22004/AG.ECON.262638
Y. Ghofrani, M. Taleghani, E. Chirani
The aim of this paper was investigating the effects of organic knowledge, perceived consequences, subjective norms, price, and green trust, perceived consumer effectiveness, avail- ability, relative advantage, and organic purchase intention on organic purchase behavior among Iranian consumers as the consumers in a developing country.The survey questionnaire was administered to the customers of large chain stores and organic food stores in five provinces of Iran that had branches for producing and selling organic food products. Given the very few number of organic food consumers in Iran, only 192 out of 240 questionnaires were filled and then used as samples of study. In order to analysis the data and test the hypotheses, multiple regression analysis method was used using by SPSS software. Results showed strong support (R 2 =0.51) for the impact of price, consumer effectiveness, and perceived consequences on intention to purchase organic food products. Organic knowledge, green trust, price, consumer effectiveness, and intention were found to have influenced purchase behavior. This paper will discuss the implications of these results for agricultural practitioners and marketers.
本文的目的是调查有机知识、感知后果、主观规范、价格和绿色信任、感知消费者有效性、可利用性、相对优势和有机购买意愿对伊朗消费者作为发展中国家消费者的有机购买行为的影响。调查问卷是针对伊朗五个省的大型连锁店和有机食品店的顾客进行的,这些店都有生产和销售有机食品的分支机构。鉴于伊朗有机食品消费者数量很少,240份问卷中只有192份被填写,然后用作研究样本。为了分析数据和检验假设,采用SPSS软件进行多元回归分析。结果显示,价格、消费者有效性和感知后果对购买有机食品意愿的影响得到了强有力的支持(R2=0.51)。有机知识、绿色信任、价格、消费者有效性和购买意愿对购买行为有影响。本文将讨论这些结果对农业从业者和营销人员的影响。
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引用次数: 6
Valuing Recreational Benefits in an Aquatic Ecosystem Area with Contingent Valuation Method: Case of ShirinSou Wetland, Iran 用条件价值法评价水生生态系统的游憩效益——以伊朗石林苏湿地为例
Pub Date : 2017-03-01 DOI: 10.22004/AG.ECON.262634
H. Shahbazi, Ahmad Samdeliri
In this study, the recreational value of ShirinSou Wetland of the Kabodarahang County in Hamadan Province, Iran was estimated and the visitors' willingness to Pay (WTP) was measured by using Contingent Valuation Method (CVM) and One and One Half Bound model (OOHB) dichotomous choice (DC) questionnaire. The results show that 81 percent of investigating individuals will pay for recreational usage of the studied wetland. Estimated WTP is 44671 IRR (US$ 1.68) for each visitor. The total annual recreational value of this wetland is estimated at about 809 (million IRR) (or US$ 30348). Furthermore, the variables of proposed bids and visitors' monthly income are statistically significant at 1%; so, these two variables are considered as the most important factors affecting visitors' WTP. Also, these tow variables have negative and positive effect on WTP, respectively. Age and level of education were the next effective factors with significant impact at the 10% level. Policy makers can take these values into consideration in the decision-making process of the development of the wetlands.
本研究采用条件估值法(CVM)和一个半界模型(OOHB)二分选择(DC)问卷对伊朗哈马丹省Kabodarahang县ShirinSou湿地的娱乐价值进行了估算,并对游客的支付意愿进行了测量。结果显示,81%的调查对象将为研究湿地的娱乐使用付费。预计每位游客的WTP为44671 IRR(1.68美元)。该湿地的年度娱乐总价值估计约为809(百万内部收益率)(或30348美元)。此外,拟议投标和游客月收入的变量在统计上具有显著意义,为1%;因此,这两个变量被认为是影响游客WTP的最重要因素。此外,这两个变量对WTP的影响分别为负和正。年龄和教育水平是下一个有效因素,在10%的水平上具有显著影响。政策制定者可以在湿地开发的决策过程中考虑这些价值观。
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引用次数: 2
On the Comparison of the Applications of Conventional Ranking Techniques in Determining the Priority Factors Affecting Seed Production of Medicinal Plants: Case of Guilan Province, Iran 常规排序技术在确定药用植物制种优先因素中的应用比较——以伊朗桂兰为例
Pub Date : 2017-03-01 DOI: 10.22004/AG.ECON.262621
S. A. Noorhosseini, E. Fallahi, Sepideh Gholinezhad
Aimed at identifying and prioritizing promoters and deterrent affecting seed production of medicinal plants, the present study was conducted in 2014. The Delphi method was conducted using a panel of 13 experts in Guilan Natural Resources and Agriculture Organization. In the first round of the study, multiple-response techniques were used for content analysis. Based on the results of the first round, the second round questionnaire was featuring a Likert type scale that was then filled out by the first round respondents. Next, by comparing the conventional techniques, data were analyzed for investigation. The use of ranking techniques led largely to the same results or results with slight differences. The study recommends devoting due attention to the technical and environmental conditions such as proper storage, to avoid the wasteful harvesting of seeds at risk, and to provide favorable conditions for the domestication of medicinal plants. In addition,, the role of research, training, and information dissemination of the economic benefits would receive high importance. Furthermore, designing and implementing a legal monitoring mechanism and an active and comprehensive policy making process, as well as providing facilities and equipment necessary for the preparation, cultivation, and harvest of seeds by decision-making, executive institutions, and organizations would  notably be effective to tackle the present challenges.
本研究于2014年进行,旨在确定和优先考虑影响药用植物种子生产的启动子和威慑因子。德尔菲法是由桂兰自然资源和农业组织的13名专家组成的小组进行的。在第一轮的研究中,多重回答技术被用于内容分析。在第一轮结果的基础上,第二轮问卷采用李克特式量表,由第一轮受访者填写。其次,通过比较传统技术,分析数据进行调查。排序技术的使用在很大程度上导致相同的结果或略有不同的结果。该研究建议适当关注技术和环境条件,例如适当的储存,以避免浪费地收获有风险的种子,并为药用植物的驯化提供有利条件。此外,研究、培训和信息传播的经济效益的作用将受到高度重视。此外,设计和执行一个法律监测机制和一个积极和全面的政策制定过程,以及为决策、执行机构和组织提供准备、种植和收获种子所需的设施和设备,将特别有效地应对目前的挑战。
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引用次数: 1
On the Status of Rural Tourism and Tourism Economy in Iran 论伊朗乡村旅游与旅游经济的现状
Pub Date : 2017-03-01 DOI: 10.22004/AG.ECON.262627
F. Azimi, S. Avetisyan
In this paper the researchers tried to study the status of tourism and rural tourism economy in Iran the condition of entry and exit of tourists in Iran, as well as the inhibiting factors affecting their positive impacts on Iran economic status. To achieve this objective, the researchers used documentary research methods. In addition, the researchers used a field research method based on the data obtained from a questionnaire in an attempt to find the inhibiting factors affecting positive impacts of tourism and rural tourism on Iran economics. The population of this study involve in tourism and rural tourism authorities. The sample of the population consist of 119. The statistical methods used in the study include the non-parametric statistics (Kolmogrove Smirnove). Findings revealed that Iran’s percent share of tourism contribution to GDP in the years 2003-2014 was very low and its changes in these years have been disproportionate. No special information and detailed statistics were presented that have helped clarified the status of rural tourism and rural tourists in Iran. The first five priorities in the field of inhibiting factors affecting positive impacts of tourism on Iran economics were lack of major plans and policies for tourism and rural tourism development, weak cooperation between the government, private sector and local people in planning, managing the tourism and rural tourism projects,  frequent change in the authorities of cultural heritage, handicraft and tourism organization, lack of correct criteria for choosing managers and executive directors, and the effects of the sanctions on tourism programs. Furthermore, political factors were found to be important in regard to their effect on the situation of tourism economics in Iran.
本文试图研究伊朗旅游业和乡村旅游经济的现状,伊朗游客入境和出境的条件,以及影响其对伊朗经济地位积极影响的抑制因素。为了达到这一目的,研究人员采用了文献研究方法。此外,研究人员采用实地调查的方法,通过问卷调查获得的数据,试图找到影响旅游和乡村旅游对伊朗经济积极影响的抑制因素。本研究涉及人口旅游和乡村旅游主管部门。人口样本由119人组成。本研究采用的统计方法包括非参数统计(Kolmogrove Smirnove)。调查结果显示,2003-2014年,伊朗旅游业对GDP的贡献百分比非常低,而且这些年来的变化不成比例。没有提供有助于澄清伊朗农村旅游和农村游客状况的特别资料和详细统计数字。在影响旅游业对伊朗经济产生积极影响的抑制因素领域中,前五个优先事项是:缺乏旅游和乡村旅游发展的主要计划和政策,政府、私营部门和当地人民在规划和管理旅游和乡村旅游项目方面的合作薄弱,文化遗产、手工艺和旅游组织当局频繁更换,缺乏选择经理和执行董事的正确标准,以及制裁对旅游项目的影响。此外,政治因素对伊朗旅游经济状况的影响也很重要。
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引用次数: 2
Factors Affecting Risk Management among Women Rice Farmers in Sari, Iran 影响伊朗萨里女稻农风险管理的因素
Pub Date : 2017-01-01 DOI: 10.22004/AG.ECON.262526
M. C. Langerodi
The present study investigated factors affecting risk management by women rice farmers in the township of Sari in Iran. The statistical population comprised 1677 women who cultivate rice in Sari; 248 women were selected for the study using stratified random sampling. The data was analyzed using descriptive and inferential statistics with SPSSWin16 software. The Chronbach’s alpha was 0.84 and the ordinal theta was 0.89. It was found that the women rice farmers were more willing to consult with agricultural experts, were aware of appropriate planting and harvesting times and used collaborative rice farming, such as for planting, in their risk management. Risk management among women rice cultivators in Sari County was influenced by numerous factors. It was found that 29.3% of the variance in risk management by the women was determined by the extent of financial difficulty, their education levels and borrowing resources.
本研究调查了影响伊朗萨里镇女稻农风险管理的因素。统计人口包括1677名在纱丽种植水稻的妇女;采用分层随机抽样的方法,选取248名妇女进行研究。采用SPSSWin16软件对数据进行描述性统计和推断性统计。Chronbach的alpha值为0.84,序数θ值为0.89。研究发现,女性稻农更愿意咨询农业专家,了解适当的种植和收获时间,并在风险管理中使用合作水稻种植(例如种植)。沙里县妇女稻农的风险管理受到许多因素的影响。研究发现,妇女在风险管理方面的差异有29.3%是由经济困难程度、教育水平和借贷资源决定的。
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引用次数: 0
Farming Techniques, Environmental Challenges, and Technical Efficiency of Sweet Potato Production in Abia State, Nigeria 尼日利亚阿比亚州甘薯生产的农业技术、环境挑战和技术效率
Pub Date : 2016-12-01 DOI: 10.22004/AG.ECON.262607
N. Ehirim, G. Ben-Chendo, S. Onyeagocha, Ubon Asuquo Essien, E. Osuji, M. Okwara
Viable sweet potato production is hard to achieve with indiscriminate use of farm inputs, resulting to wastage and environmental damages, as consequences are common problems of arable crop farming in Abia State. Issues arising from farm input use and their corresponding implications for environment called for a study on suitable farming practices and farm-specific technical efficiency for optimal resource use in sweet potato production in Abia State. Data were obtained from 156 sweet potatoe farmers through a multistage sampling technique using a structured questionaire. Data were analyzed using descriptive statistics such as mean, relative frequency distribution, and the stochastic production frontier. Results showed that using inorganic fertilizer (65.378%) under rainfed production system with a frequent bush burning (66.67%) and low liming (5.8%) were very common practices with leaching, fragile soil, erosion, flooding, and soil acidity as consequences. Mixed cropping (63.46%) with improved varieties like TIS 8164 (71.2%) and 0087 (64.1%) were copping measures to some environmental challenges. Maximum Likelihood Estimates (MLE) showed a decreasing return to a scale of 0.236. The implication is that an increase in farm size and fertilizer application can significantly lead to a less than 0.06538 and 0.08142 proportionate increase in output of sweet potato respectively, or reduces it by less than 0.00413, with interest on borrowed capital. The gamma (0.0403) was less than unity and was significant at p < 0.05, implying that about 4.30% discripancies in observed and frontier output was due to technical inefficiencies of sweet potato farmers. The wide disparity in farmers’ technical efficiencies ranged from 0.298% to 99.4%, and a mean of 47.1% suggested a need to bridge the gap. Hence, a reduction in household size, farming experience, and sourcing of planting materials from NRCRI or IITA is believed to increase farmers’ technical inefficiency, which can be reduced with age and formal educational level of sweet Potato farmers in the area. All in all, the results suggest that reducing bush burning but increasing liming as well as including organic soil ammendments and irrigation practicies, when combined with the use of young and educated farmers, can reduce environmental damages and also increase farmers’ technical efficiency when it comes to sweet potato production in the area.
如果不加选择地使用农业投入,就很难实现可行的甘薯生产,造成浪费和环境破坏,这是阿比亚州可耕地作物种植的普遍问题。农业投入使用所产生的问题及其对环境的相应影响要求对阿比亚州甘薯生产中最佳资源利用的适当耕作方法和农场特有技术效率进行研究。数据通过多阶段抽样技术和结构化问卷从156名红薯农民中获得。数据分析采用描述性统计,如均值、相对频率分布和随机生产前沿。结果表明:在旱作生产模式下,频繁丛林焚烧(66.67%)和低石灰化(5.8%)是常见的施用无机肥(65.378%)的做法,造成淋滤、土壤脆弱、侵蚀、洪水和土壤酸性等后果。混合种植(63.46%)与改良品种如TIS 8164(71.2%)和0087(64.1%)是应对一些环境挑战的措施。最大似然估计(MLE)显示收益递减至0.236。这意味着,增加农场规模和化肥施用可以显著导致甘薯产量的比例增长分别小于0.06538和0.08142,或减少小于0.00413,借贷资金的利息。gamma(0.0403)小于1,且p < 0.05显著,这意味着观察产量和前沿产量之间约4.30%的差异是由于红薯农民的技术效率低下造成的。农民的技术效率差距从0.298%到99.4%不等,平均差距为47.1%,表明需要缩小差距。因此,家庭规模、农业经验和从NRCRI或IITA采购种植材料的减少被认为会增加农民的技术效率低下,这可以随着该地区甘薯农民的年龄和正规教育水平而减少。总而言之,研究结果表明,减少丛林焚烧,增加石灰化,以及有机土壤改良和灌溉措施,与受过良好教育的年轻农民相结合,可以减少对环境的破坏,并提高农民在该地区红薯生产方面的技术效率。
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引用次数: 5
期刊
International Journal of Agricultural Management and Development
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