Based on the matched data of China’s tax survey and customs from 2007 to 2011,this paper studies the differential impact of exchange rate changes on the performance of companies by region from the perspective of fact...Based on the matched data of China’s tax survey and customs from 2007 to 2011,this paper studies the differential impact of exchange rate changes on the performance of companies by region from the perspective of factor market distortion.The results show that for import companies,the RMB appreciation significantly contributes to improving their performance and this phenomenon is more pronounced in areas with high factor market distortions.Channel tests show that the proportion of intermediate goods imported by final producers increases with regional factor market distortions.Therefore,the appreciation of the national currency is more favorable for areas with high factor market distortions(companies with high proportion of imported intermediate goods).In addition,the appreciation of the national currency will promote the production of China’s upstream intermediate goods producers by expanding the output of downstream enterprises.This paper complements previous studies on the differential impact of RMB exchange rate changes on regional economic growth from a micro perspective.展开更多
为了解决遥感图像采集与空间网络传输能力之间的矛盾,迫切需要具有码率控制功能的图像压缩算法。文章面向军事目标监测领域图像目标区域局部高质量需求,针对CCSDS-IDC(The Consultative Committee for Space Data Systems-Image Data Co...为了解决遥感图像采集与空间网络传输能力之间的矛盾,迫切需要具有码率控制功能的图像压缩算法。文章面向军事目标监测领域图像目标区域局部高质量需求,针对CCSDS-IDC(The Consultative Committee for Space Data Systems-Image Data Compression Standard)图像压缩标准,提出了一种码率分配算法。新算法改进了原算法的分段方式,设置了段优先级,并根据优先段覆盖的比例及率失真模型设计了码率分配方案。结果表明新算法在局部峰值信噪比和局部视觉效果上较原算法有明显的提高,当优先段覆盖率低于压缩比倒数时,新算法的整体峰值信噪比与原算法接近。展开更多
文摘Based on the matched data of China’s tax survey and customs from 2007 to 2011,this paper studies the differential impact of exchange rate changes on the performance of companies by region from the perspective of factor market distortion.The results show that for import companies,the RMB appreciation significantly contributes to improving their performance and this phenomenon is more pronounced in areas with high factor market distortions.Channel tests show that the proportion of intermediate goods imported by final producers increases with regional factor market distortions.Therefore,the appreciation of the national currency is more favorable for areas with high factor market distortions(companies with high proportion of imported intermediate goods).In addition,the appreciation of the national currency will promote the production of China’s upstream intermediate goods producers by expanding the output of downstream enterprises.This paper complements previous studies on the differential impact of RMB exchange rate changes on regional economic growth from a micro perspective.
文摘为了解决遥感图像采集与空间网络传输能力之间的矛盾,迫切需要具有码率控制功能的图像压缩算法。文章面向军事目标监测领域图像目标区域局部高质量需求,针对CCSDS-IDC(The Consultative Committee for Space Data Systems-Image Data Compression Standard)图像压缩标准,提出了一种码率分配算法。新算法改进了原算法的分段方式,设置了段优先级,并根据优先段覆盖的比例及率失真模型设计了码率分配方案。结果表明新算法在局部峰值信噪比和局部视觉效果上较原算法有明显的提高,当优先段覆盖率低于压缩比倒数时,新算法的整体峰值信噪比与原算法接近。
