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金兴华(Xinghua Jin) YIXIN 출판사 2024 Journal of China Studies Vol.2 No.1
碳税作为一种碳减排的政策工具已在全球多个国家实施,中国“双碳”战略目标提出后,开征碳税日显必要。本研究在政治经济学框架内阐明了碳税的理论基础,解析了中国碳税的性质和结构,提出了推进碳税开征的政策实施路径。研究表明:基于负价值理论,碳税是一种碳定价方式,自带财政收支中性;它以社会再生产过程中排放的温室气体为征收对象,按一定税率所征税到的碳税收入总量与温室气体的负价值总量相等;要重视碳税与碳排放权交易、环境保护税的协调,注重碳税收入的合理使用,积极参与国际合作,促进合理边境税收调节机制的形成,适时稳妥开征碳税。 As a policy tool for reduction of carbon emissions, carbon tax has been implemented in many countries around the world. After “double carbon” strategic goal was put forward, it is the general trend for China to levy carbon tax. On the basis of clarifying the theoretical basis of carbon tax within the framework of political economy, this paper analyzes the nature and structure of China’s carbon tax, and put forwards a policy implementation path for promoting carbon tax collection. The research shows that, based on the negative value theory, carbon tax is a carbon pricing method with neutral fiscal revenue and expenditure; It takes greenhouse gases emitted in the process of social reproduction as the object of levying carbon tax, and the total amount of carbon tax revenue taxed at a certain rate is equal to the total amount of negative value of greenhouse gases; China should pay attention to the coordination of carbon tax, carbon emissions trading and environmental protection tax, and to the reasonable use of carbon tax revenue, actively participate in international cooperation, promote the formation of a reasonable border tax adjustments , and timely and steadily levy carbon tax.
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A Novel Spectrum Allocation Strategy with Channel Bonding and Channel Reservation
( Shunfu Jin ),( Xinghua Yao ),( Zhanyou Ma ) 한국인터넷정보학회 2015 KSII Transactions on Internet and Information Syst Vol.9 No.10
In order to meet various requirements for transmission quality of both primary users (PUs) and secondary users (SUs) in cognitive radio networks, we introduce a channel bonding mechanism for PUs and a channel reservation mechanism for SUs, then we propose a novel spectrum allocation strategy. Taking into account the mistake detection and false alarm due to imperfect channel sensing, we establish a three-dimensional Markov chain to model the stochastic process of the proposed strategy. Using the method of matrix geometric solution, we derive the performance measures in terms of interference rate of PU packets, average delay and throughput of SU packets. Moreover, we investigate the influence of the number of the reserved (resp. licensed) channels on the system performance with numerical experiments. Finally, to optimize the proposed strategy socially, we provide a charging policy for SU packets.
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