搜索结果: 1-3 共查到“会议中心 理学 Trade”相关记录3条 . 查询时间(0.368 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A decomposition of pollution intensity in China's value-added trade
中国 增值贸易 污染强度 分解
2023/4/24
Based on a multi-regional input-output model, this study explores the temporal changes and driving forces of China's environmental losses relative to its economic gains from international trade with e...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Research on Port Cities' Transportation System and Trade Flows in China
中国港口城市 交通系统 贸易流动
2023/5/5
This paper quantitatively investigates the effect of transportation system on trade flows of four major port cities in China. Due to the significant country-pair heterogeneities in both intercept and ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：International trade and Covid-19: City-level evidence from China's lockdown policy
国际贸易 新冠肺炎 中国封锁政策 城市证据
2023/5/16
We examines the impact of Covid-19 lockdowns on exports by Chinese cities. We use city-level export data at a monthly frequency from January 2018 through April 2020. Differences-in-differences estimat...