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我国产业集聚新趋势及影响因素研究 被引量:15
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作者 刘军 段会娟 《经济问题探索》 CSSCI 北大核心 2015年第1期36-43,共8页
基于1999-2012年省级面板数据分析我国制造业集聚变动的新趋势和影响因素。运用制造业总产值计算表明,2005年制造业集聚的拐点已经开始显现;但运用就业指标计算时发现,东部地区的就业密度一直是增加的,制造业总体上还是向东部沿海地区... 基于1999-2012年省级面板数据分析我国制造业集聚变动的新趋势和影响因素。运用制造业总产值计算表明,2005年制造业集聚的拐点已经开始显现;但运用就业指标计算时发现,东部地区的就业密度一直是增加的,制造业总体上还是向东部沿海地区集中的。这种不一致性可以通过各地区乡镇企业和城市非国有单位在经济中比重的差异进行解释。产业集聚影响因素的面板回归表明:市场规模和人力资本水平促进了产业集聚,工资成本与运输成本阻碍了产业集聚,环境规制增强长期内有利于产业集聚但统计上不够显著,沿海的地理区位也是有利的,经济开放度则呈现反向作用。 展开更多
关键词 产业集聚 产业扩散 产值份额 就业密度
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服务业是否真的出现了增长?——试论价格调整的影响 被引量:1
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作者 梁若冰 《统计研究》 CSSCI 北大核心 2006年第11期30-34,共5页
There are many arguments on the rule of real output share of service in GDP.We believe one of the main reasons causing these differences is price adjustment as historical and international comparison conducted.Choosin... There are many arguments on the rule of real output share of service in GDP.We believe one of the main reasons causing these differences is price adjustment as historical and international comparison conducted.Choosing different measurement methods and indicators will influence the result of historical comparison of time serial data,while different service sectors and aggregation model will impact on international comparison of cross-sectional data. 展开更多
关键词 服务业 实际产值份额 价格调整 时序比较 国际比较
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An Overview of Turkish Pistachio Sector
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作者 T. Isgin B. E. Ak 《Journal of Agricultural Science and Technology(B)》 2011年第2期168-176,共9页
Originating from the genus Pistacia, the only edible species, Pistacia vera, covers at least 10 different sub-species and has a commercial value in the nut industry as a snack food. Pistachio kernels arc very popular ... Originating from the genus Pistacia, the only edible species, Pistacia vera, covers at least 10 different sub-species and has a commercial value in the nut industry as a snack food. Pistachio kernels arc very popular ingredients used in meat products and in the confectionary industry as a part of various pastry products. Historically, Iran has the advantage in supply side and leads the world in pistachio trade. Turkey comes in the third place in terms of production and provides over 70 thousand metric tons of pistachios in 2007, capturing 14 percent production share world wide. As being one of the major habitats of pistachios, Turkey has potential to develop new variaties and increase the productivity, thereby to take advantage of higher profits that may arise from foreign trade in pistachios. Even though pistachio production in Turkey has increased in the last 20 years, this opportunity is yet to be discovered since yield and quality factors are still at low levels, resulting in dramatic losses in foreign market shares. Possible remedies for this problem include irrigation made available to pistachio orchards, adopting new caltivars more tolerant to diseases, preventing the illegal entrance of Iranian pistachios, facilitating the unification of pistachio producers, provoking the consumption of fresh pistachios, and expanding the business into new international markets. 展开更多
关键词 PISTACHIO foreign trade production Turkey.
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我国工业结构调整的转型升级进程 被引量:5
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作者 梁东黎 《探索与争鸣》 CSSCI 北大核心 2011年第4期53-57,共5页
工业由六个行业组成:采掘、一般制造、石化、冶金、设备制造、水电气。产值份额的变化反映结构调整,增加值率的变化反映转型升级。从1995至2007年,伴随着结构调整,采掘、一般制造、冶金行业的增加值率提高,石化、设备制造、水电气行业... 工业由六个行业组成:采掘、一般制造、石化、冶金、设备制造、水电气。产值份额的变化反映结构调整,增加值率的变化反映转型升级。从1995至2007年,伴随着结构调整,采掘、一般制造、冶金行业的增加值率提高,石化、设备制造、水电气行业的增加值率则下降,工业整体的增加值率略有提高。这表明,我国工业整体的结构调整在转型升级方面有所提高,但进步微小。引起增加值率变化的主要因素包括:市场竞争性、行政性垄断程度、产品的差别化程度。当下,外商直接投资的技术溢出效应以及扶持高新技术产业和企业的政策亟待反思。 展开更多
关键词 结构调整 产值份额 转型升级 增加值率
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