"多位一体"农村循环经济模式的探索

该文以贵阳市为研究区域,探索适合农村的"多位一体"循环经济模式。模式的主要内容包括:建设沼气生态工程,构建循环经济模式的还原系统;配套发展养殖业,构建循环经济中的养殖系统;推广沼肥综合利用,打造生态农业生产模式。同时充分利用秸秆资源,实现环境治理与"多能互补";另外还开展新型材料沼气池的研发,发展"农家乐"农业绿色旅游,延长农村循环经济"资源链";创建科学、规范、行之有效的管理制度,以保证模式的实施推广。在5年的探索过程中,该模式在项目区域内达到了生态与经济两个系统的良性循环和经济、生态、社会三大效益的统一。     

辽宁省海域使用现状分析及管理对策

在ARCGIS平台上对比辽宁省海洋功能区划和海域使用现状数据,指出了辽宁省养殖用海、港口用海、旅游用海不符合海洋功能区划的数量和位置以及围海造地的面积和分布,同时结合相对应的海洋产业发展现状,分析辽宁省海域使用及相应海洋产业发展存在的问题,提出了辽宁省海域使用的管理对策。     

新时代中国区域高质量发展的动力转变方向及形成路径研究

高质量发展已经成为中国经济发展的根本导向。作为经济体系的重要组成部分之一,区域经济的高质量发展要求增强发展动力的均衡性、精准性、融合性、复制性和专业性。其中,由外需动力为主转向内外需动力并重、由所有区域的齐头并进到不同区域的各展所长、由地方竞争的发展速度到区域协调的规模经济、由个体区域的率先发展到个体区域的综合示范、由综合性区域战略到专业性区域政策是动力转型的主要方向,培育具有世界级竞争力的产业集群、细化主体功能区规划、构建共享型的区域利益关系、构建可复制的区域发展路径、完善区域管理制度是实现上述转型的支撑路径。     

The Evolving Structure of Chinese R&D Funding and its Implications for the Productivity of Agricultural Biotechnology Research

China’s research and development (R&D) policy has changed considerably over recent decades, and great changes occurred in 2006 when the main programme objective of China’s R&D changed from the 863 Programme and 973 Programme to the National Science and Technology Major Project. One topic that has drawn extensive attention is whether the investment reform improved R&D productivity in China. Using a unique panel dataset from 160 universities, this paper examines the effect of the investment reform on productivity improvement in China’s agricultural biotechnology sector. We use a panel count data model with a dynamic feedback mechanism to model the knowledge production process. Strong evidence indicates that the investment reform greatly contributes to knowledge output production in China’s agricultural biotechnology sector. We also find that the input quality is more important than the absolute quantity; human research capacity exhibits the greatest contribution to the output of patents; past knowledge accumulation helps produce more patents; and entry barriers to patent production exist in China’s agricultural biotechnology sector. Moreover, the patent explosion in China may have been largely caused by improvements in the human capital input quality.     

Market Access,Labor Mobility,and the Wage Skill Premium: New Evidence from Chinese Cities

Open Economies Review - Labor market reforms in developing economies have causes economic regions to open up, providing greater market access to businesses and leading to urban migration. This...     

DISTANCE‐SEGMENTED RURAL TOURISTS

This article uses travel distance to segment rural tourists in a tourist destination in the U.S. Midwest. A distance decay pattern was identified, with more than half of the respondents traveling from a location within 200 miles of the destination. The differences in the socio‐demographic, trip‐related characteristics, and destination activities of these tourists were examined across distinct distance segments. Among other findings, the study revealed that tourists from within a 50‐mile radius participated in most of the activities, and those traveling between 200 and 600 miles made up the majority of business travelers. These two segments also had a higher participation rate in the recreational activities than did the other distance segments. The findings of the study show that simple variables such as distance travel remain viable for destinations, particularly those in the rural area, to understand the tourists for segmentation purpose.     

Travel motivations and destination choice: A study of British outbound market

Abstract

Knowledge of people's travel motivations and its association with destination selection plays a critical role in predicting future travel patterns. The objectives of this study were to uncover the underlying push and pull factors of motivation associated with British outbound pleasure travelers as well as to identify key motivational factors that have significant effects on destination choice. Six push factors and five pull factors were found. “Knowledge seeking” and “cleanliness & safety” were perceived as the most important push and pull factors respectively. The results of logistic regression analyses snowed that the British tend to visit the U.S. for “fun & excitement” and “outdoor activities,” Oceania for “family & friend togetherness,” and Asia to seek a “novel experience.” The findings of differential motivational factors across seven destinations suggest that a destination can capitalize on its strengths with an optimal combination of push and pull factors to attract and retain the British travelers.     

The U.S. tourists’ perceptions of destination China over two transformative periods

This study conducted a textual analysis of The New York Times to examine the U.S. tourists’ perceived image of China as a destination by comparing the two periods of January 1980–May 1989 and January 2005–December 2015. The study found a drastic shift of the U.S. tourists’ affective image of China as a destination from being favorable and positive in the early period to being unfavorable and negative in the recent period. The affective image was characterized by the two domains of Exoticism and Sense of Superiority in the 1980s, as compared to the two domains of Ordinary and Negative National Image in the recent 10 years. Paradoxically, such a sentimental shift on the part of the U.S. tourists occurred while their perception of China’s destination attributes either did not change or grew more positive.     

石首市小河口支局发展经验浅析

文章对比分析了湖北省石首市小河口邮政支局与当地电信部门、信用社的发展情况,总结了小河口邮政近年来快速发展的经验,探讨了邮政的发展策略。     

全球粮食安全风险格局时空特征分析

[目的]当前全球范围内公共安全事件频繁发生,严重影响了世界粮食生产和供应链,粮食安全系列问题由此引发学术界与政府部门广泛关注。贸易流通不稳定的背景下,科学分析全球粮食安全和风险格局时空特征对维护国家粮食安全以及保障全球经济社会可持续发展具有重要意义。然而,以往研究缺乏对全球粮食安全和风险格局的长时序时空特征分析。文章通过结合粮食生产和消费数据对全球粮食安全和风险格局进行长时间序列研究,并探索全球粮食安全和风险格局时空规律。[方法]基于1961—2017年全球各国粮食生产和消费统计数据,综合运用波动系数、重心分析、粮食短缺指数和相对资源承载力模型等分析方法,对全球粮食生产、消费、风险及相对风险格局进行了分析,探究了全球粮食安全和风险格局的时空规律。[结果]（1）研究期间全球和中国粮食生产及消费呈显著上升趋势,疫情和蝗灾等重大突发事件会对粮食生产消费格局造成一定影响;（2）全球整体粮食安全总体从中等风险下降至低风险,中国粮食安全风险近60年持续降低,2017年处于低风险等级;（3）中国粮食资源承载力略高于全球平均水平,非洲、拉丁美洲以及东南亚地区粮食安全相对风险波动较大。[结论]世界粮食安...