中国城市经济适用房保障模式研究

针对我国经济适用房保障方式纷繁复杂的问题,本文提出了基于调控机制的经济适用房保障模式分类,及各类模式的适用性评价指标体系,并定量分析了全国35个重点城市的建议性保障模式。最后,将建议性模式与现行模式进行对比,提出了政策建议。     

Online Purchase Paths and Conversion Dynamics across Multiple Websites

Low transportation costs online allow shoppers to visit multiple e-commerce sites for a purchase decision. This research investigates online shoppers’ visit and purchase behaviors across competing websites. To consider that shoppers’ longitudinal cross-site visit data may consist of several unobserved shopping episodes, we propose a modeling approach to probabilistically clustering and relating online visits to latent shopping episodes, based on the temporal patterns of the visit events. The inferences are then used to examine shoppers’ visit-to-purchase behavior across websites. Using Internet clickstream data on individual-level browsing and transaction records at major air travel sites, we find that online shoppers’ cross-site visit patterns tend to be clustered and the purchase propensity is significantly higher at later visits within a visit cluster, compared to earlier visits. As our results suggest the possibility that visit clusters can serve as a reasonable proxy for shopping episodes, we look further into shoppers’ website choice and purchase behaviors within a cluster. We discuss how the cluster-based analysis can help managers tailor online marketing and advertising strategies based on shoppers’ cross-site visit and purchase patterns.     

“新三角贸易”模式下的贸易、投资与创新绩效——基于知识溢出与吸收能力视角的研究

本文采用地区细分的贸易和投资数据,从技术引进、吸引外商直接投资(FDI)两大路径研究"新三角贸易"模式下知识外溢对本土创新绩效的影响。研究表明:吸收能力是影响本土创新的关键因素;产业关联度低是制约高技术领域FDI知识溢出的重要原因。     

人民币实际汇率波动对中欧进出口贸易影响的实证研究

本文通过建立GARCH模型量度了人民币对欧元实际汇率的波动性,并运用协整检验模型、误差修正模型、脉冲响应函数和方差分解技术就人民币实际汇率变动对中国与欧元区之间进出口贸易的影响进行分析。分析结果表明,中国对欧元区出口在长期内随汇率波动而增加,而进口却随汇率波动而减少;在短期内汇率波动推动中国进口,抑制中国出口。人民币升值在长期内给双边出口均造成伤害,但对中国出口伤害更大;在短期内人民币贬值将对中国进出口均有推动作用。本文分析还表明,在长期内,中国对欧元区出口收入效应远远大于欧元区对华出口收入效应;在短期内,中国实际收入变动对欧元区出口表现负向冲击,而欧元区实际收入变动对中国出口表现为正向冲击。中国汇率制度改革对中国出口欧元区产生推动作用,对欧元区出口产生抑制作用,且前者大于后者。实际汇率水平及其波动性变化对欧元区对华出口变动的解释力高于中国实际收入水平变化的解释力,而对于中国对欧元区出口的变动,欧元区实际收入水平变动的解释力高于实际汇率水平及其波动性变化的解释力。     

“双碳”目标下碳交易与制造业绿色全要素生产率——基于异质性技术创新模式的机制检验

碳交易是推动制造业绿色发展,实现“双碳”目标的重要市场化工具,交易价格和市场规模能够反映碳交易实施状况,是影响制造业绿色全要素生产率的重要因素。从碳交易价格和市场规模切入,基于2008—2020年中国内地30个省份面板数据,构建连续型双重差分模型评估碳交易对制造业绿色全要素生产率的作用效果,并考察异质性技术创新模式的传导路径。结果表明,提高碳交易价格和扩大市场规模均能显著提升制造业绿色全要素生产率。机制检验表明,碳交易价格和市场规模能够推动自主创新、减少技术改造投入,进而影响制造业绿色全要素生产率,而技术引进并非有效路径。进一步研究发现,自主创新对技术改造存在挤出效应。研究结论对完善碳交易制度顶层设计、精准制定技术创新配套政策具有重要启示意义。     

促进我国区域贸易的探讨

区域贸易是指不同区域之间进行商品交换的活动。历史证明:存在区域贸易的区域比那些自给自足的封闭型地区更能够促进国民经济的发展。目前,我国各省区之间的区域贸易仍然比较弱,地方保护主义仍旧盛行。各地区没有充分利用各自的比较优势、以专业化生产来提高各自的贸易利益。本文通过对我国地区贸易冲突及生成机制的研究,找出出现这种现象的根本原因。同时,借鉴美国促进国内区域贸易的措施,给我国合理的区域贸易建言献策。     

Geodemographic and socioeconomic characterization of the retail attraction of leading hypermarket chains in Spain

This paper aims at examining the impact on demand of the competitive positioning strategies developed by the leading hypermarket chains in Spain. Specifically, the purpose is to carry out a geodemographic and socieconomic characterization of the potential consumers of each chain. As retail attraction has traditionally been divided into three components, distance, mass and image, a gravitational model is proposed which distinguishes them and facilitates the evaluation of existing differences across any a priori segmentation base. The empirical test identifies significant geodemographic differences in the retail attraction of hypermarket chains. Chains seem to target the whole market by developing an image balanced against the advantages and disadvantages derived from the spatial coverage strategy. Social class is not as good an indicator of hypermarket choice as expected, although some interesting patterns have been detected.     

贵州休闲体育产业发展模式研究

结合贵州休闲体育产业的发展优势，从民间类、极限运动类与水面类、城市休闲类等三个方面论述了贵州休闲体育产业发展模式，并提出了坚持保护和开发并重、发挥政府职能、精品化路线的建议。     

从“三个代表”的高度审视和创新苏南模式

近年来,对苏南模式引起了一场争论。除了不赞成模式论外,较多的是对苏南模式的评价不高。从“三个代表”的高度重新审视苏南模式,不难得出恰如其分的评价。事实上,苏南模式在江总书记提出“三个代表”以前已经按照我们党的宗旨和邓小平理论极大地推进农村的社会主义建设速度。