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Production response to price risk and market liberalization of Nigerian major agricultural crops
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作者 Ajetomobi Joshua Olusegun 《Chinese Business Review》 2009年第1期37-45,共9页
This study models supply response for major agricultural crops in Nigeria which include the standard arguments and price risk. The data comes from Central Bank of Nigeria annual reports and statement of account, Natio... This study models supply response for major agricultural crops in Nigeria which include the standard arguments and price risk. The data comes from Central Bank of Nigeria annual reports and statement of account, National Bureau of Statistics' abstract of statistics and annual Agricultural survey manual. The data are analyzed using autoregressive distributed lag and cointegration and error correction models. The results indicate that producers are responsive not only to price but also to price risk and exchange rate. 展开更多
关键词 supply response price risk agricultural market liberalization NIGERIA
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Seed Sector in Turkey and Analysis of Sunflower Seed Purchasing Behaviour of Farmers: Example of Thrace Region
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作者 Hasan Güngor Kamil Cenk Saracoglu Günay Güngor 《Journal of Agricultural Science and Technology(B)》 2018年第2期105-114,共10页
Selection of suitable seed in agriculture has great importance in terms of scarce resources and efficient use of facilities. Efficient use of inputs has been one of the key objectives of agricultural policies in all o... Selection of suitable seed in agriculture has great importance in terms of scarce resources and efficient use of facilities. Efficient use of inputs has been one of the key objectives of agricultural policies in all over the world. Therefore, studies continue about production of new seeds with high yield and resist to diseases. The 66.7% of the total seed production in Turkey are met by the private sector (hybrid sunflower, corn, potato, soybean, cotton and vegetable seed). And 53.4% of the total sunflowers in Turkey are grown in Thrace region. It is therefore appropriate to be selected as the research area. In this regard, the aim of this study was to examine the dynamics in seed sector and particularly investigate the sunflower seed purchasing behavior of farmers with special attention to Thrace region. As a methodology, 198 questionnaires which pursued sunflower farm activities in the region were utilized. As a result of the descriptive statistics, it could be concluded that almost 20% of seed supply in Turkey is imported and that 70%-80% of it is directly used as an “input” for growing vegetative products and the remaining is used as “intermediate goods” for growing “certified seeds” for domestic or international markets. 展开更多
关键词 SUNFLOWER seed selection farmers’ preferences.
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Present Situation and Future of Animal Fiber Production in Turkey: A Review
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作者 Gursel Dellal Feryal Soylemezoglu +3 位作者 Zeynep Erdogan Erkan Pehlivan Ozdal Koksal Selcuk Seckin Tuncer 《Journal of Life Sciences》 2014年第2期192-200,共9页
Primarily the production of wool, mohair, silk, goat coarse hair and cashmere fibers is made in Turkey. However, there has been a significant level of decrease in the production of these fibers for many years. The fac... Primarily the production of wool, mohair, silk, goat coarse hair and cashmere fibers is made in Turkey. However, there has been a significant level of decrease in the production of these fibers for many years. The factors mainly causing this decrease can be said to include rapid increase in the use of chemical fibers, changes in fashion which have negative impacts on the consumption these fibers and systematic problems which negatively affect the production of sheep, Angora goat, hair goat and silkworm. However although the production resources are continuing to decrease, Turkey still has a significant level of animal fiber production potential. Attainment of a more effective utilization of this potential will significantly contribute to the establishment of a sustainable textile industry and rural development and the preservation and development of folkloric culture and native farm animals which produce fibers. 展开更多
关键词 TURKEY animal fiber textile industry rural development.
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中国儿童营养不良的不平等:所居之处实为重要 被引量:13
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作者 陈茁 Eastwood +1 位作者 颜子仪 姚炜(翻译) 《世界经济文汇》 北大核心 2006年第1期54-66,共13页
本文首先对中国的儿童营养不良不平等的集中度指数分析方法进行了简单的描述,然后选取“不同年龄段的身高Z评分”(Heightforagezscore)作为衡量指标。根据中国9个省份的家庭调查数据,我们发现人均家庭收入、户主受教育程度、城镇户口以... 本文首先对中国的儿童营养不良不平等的集中度指数分析方法进行了简单的描述,然后选取“不同年龄段的身高Z评分”(Heightforagezscore)作为衡量指标。根据中国9个省份的家庭调查数据,我们发现人均家庭收入、户主受教育程度、城镇户口以及公交的便利程度都有助于降低儿童营养不良程度,儿童年龄对营养不良状况具有非线性影响。而城乡差距、省份差异和户主受教育程度的不平等,则会加剧营养不良不平等。另外,本文发现性别对营养不良及其不平等都没有影响。据此,本文建议,为改善中国儿童营养不良的不平等状况,中国政府应当进行相应的基础设施及社会福利项目投资。 展开更多
关键词 儿童营养不良 中国 集中度指数 分解 健康不平等
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农产品讨价还价行为:尼日利亚奥甘州牛肉零售定价案例研究
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作者 D.菲利浦 A.奥罗让托巴 +3 位作者 E.法口亚 B.菲利浦 O.阿少罗 L.阿罗巴 《中国农业经济评论》 2006年第4期494-507,共14页
对市场上的商品缺乏标准的度量和分级是发展中国家(如尼日利亚)农产品市场的一个主要特征。由此导致价格标签很少被使用,事实上也很难实施。在尼日利亚的大部分地区,农产品和非农产品的批发和零售价格都是由激烈的讨价还价所决定的... 对市场上的商品缺乏标准的度量和分级是发展中国家(如尼日利亚)农产品市场的一个主要特征。由此导致价格标签很少被使用,事实上也很难实施。在尼日利亚的大部分地区,农产品和非农产品的批发和零售价格都是由激烈的讨价还价所决定的。分级和商品质量的随意性,意味着价格可能无意地被一些不相干的因素影响。在尼日利亚商品交换过程的研究方面,很少有对商品讨价还价行为进行实证研究的。本文的主要研究目的在于:①从市场期间、买方特征和性别等方面,比较牛肉零售价格的形成方式;②估计牛肉价格形成与所考虑的决定因素之间的关系。研究在四个独立的城市市场进行,研究结果表明,针对不同性别的买方,买方价格和卖方价格的形成方式没有差异;针对不同着装的买方(特征),在讨价还价中的方式也没有差异;但讨价还价的时间在统计上则显著影响。统计上来看,多数零售价格变量的平均值早晨比晚上较大。 展开更多
关键词 牛肉 讨价还价 买方特征 性别
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