全球价值链分工对国际经济周期协同性的影响研究

为考察全球价值链分工的宏观经济效应,本文基于2000—2014年全球102个经济体相关数据,探究了全球价值链贸易对国际经济周期协同性的影响。结果表明,全球价值链贸易深化了国际垂直型分工,显著提升了国际经济周期的协同性;无论是制造业还是服务业价值链贸易,对国际经济周期协同性都具有显著正向影响,侧面反映出服务业也在越来越深入地融入全球分工体系;价值链贸易对国际经济周期协同性的影响效应主要体现于发展中与发达经济体之间,发达经济体之间的经济周期协同性受其影响并不明显。

Impact of Global Value Chain Division on Business Cycle Synchronization

In recent years, with the national ecological civilization concept taking root, and the protection and construction of ecological wetlands being continuously promoted, the plant landscape design and construction of wet environment have attracted much attention of the profession. Because of the particularity of wetland environment, there are many technical difficulties in plant landscape construction. This paper has arranged, analyzed and summarized the planning and design and construction techniques of the wet woody plants specialized garden in Ningbo Botanical Garden, mainly interpreting the planning and design ideas and main technical points in the construction process. Furthermore, it has summarized the successful points and existing problems in the planning and design and construction of this special garden, so as to provide reference for construction of plant landscape of wet environment in the future.