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asymmetric effects of Perceived Quality on Overall Evaluation and Moderating Effect of Sentiment:Evidence from Automobile Reviews

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Journal of Systems Science and Systems Engineering 2023年第1期32卷 16-33页

作者： Tong Yang Yanzhong Dang Jiangning Wu Institute of Systems Engineering Dalian University of TechnologyDalian116024China

Perceived quality is consumers’subjective perceptions of a product’s attributes,which directly influences the overall evaluation of the product.Existing research has suggested that the perceived quality of attributes has an asymmetric effect on the overall evaluation,but limited research has been conducted on this asymmetric effect in the automobile industry and the moderating effect of sentiment.This paper investigates the asymmetric effect of perceived quality on overall evaluation using social media data from the automobile industry.First,the asymmetric effect of perceived quality on overall evaluation was identified for different attributes using penalty-reward contrast analysis(PRCA),and attribute classification was realized by calculating the IA index,i.e.,Appearance is an excitement attribute and the remaining attributes are basic attributes.Second,the differences in the asymmetric effects of each attribute category were analyzed,and the basic attributes were found to have a greater effect on the overall evaluation,with a positive moderating effect of sentiment on the effect.This study contributes to perceived quality research as well as consumer evaluation research and provides manufacturers with a prioritization method for attribute improvement.

关键词： Perceived quality overall evaluation asymmetric effects OLS automobile reviews

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Do the RMB exchange rate and global commodity prices have asymmetric or symmetric effects on China’s stock prices?

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Financial Innovation 2021年第1期7卷 1030-1050页

作者： Shaobo Long Mengxue Zhang Keaobo Li Shuyu Wu Center for Public Economy and Public Policy Chongqing UniversityChongqingChina Department of Public Economics School of Public AffairsChongqing University174 Shazheng StreetShapingba DistrictChongqing 400044China A Center for Chinese Economic Practice and Thinking Tsinghua UniversityRoom 128Shunde BuildingHaidian DistrictBeijing 100084China School of Economics and Resource Management Beijing Normal University19 xinjiekouwai streetHaidian DistrictBeijing 10084China

With the rapid expansion of the RMB exchange rate’s floating range,the effects of the RMB exchange rate and global commodity price changes on China’s stock prices are likely to increase.This study uses both auto regressive distributed lag(ARDL)and nonlinear ARDL(NARDL)approaches to explore the symmetric and asymmetric effects of the RMB exchange rate and global commodity prices on China’s stock prices.Our findings show that without considering the critical variable of global commodity prices,there is no cointegration relationship between the RMB exchange rate and China’s stock prices,and the coefficient of the RMB exchange rate is not statistically significant.However,when we introduce global commodity prices into the NARDL model,the result shows that the RMB exchange rate has a negative effect on China’s stock prices,that there indeed exists a long-run cointegration relationship among the RMB exchange rate,global commodity prices,and stock prices in the NARDL model,and that global commodity price changes have an asymmetric effect on China’s stock prices in the long run.Specifically,China’s stock prices are more sensitive to increases than decreases in global commodity prices.Thus,increases in global commodity prices cause China’s stock prices to decline sharply.In contrast,the same magnitude of decline in global commodity prices induces a smaller increase in China’s stock prices.

关键词： RMB exchange rate Global commodity prices China’s stock prices asymmetric effects

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转移支付与县级财政支出扩张

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财政与税务 2019年第1期 13-25页

作者：薛凤珍蒙永胜

笔者基于1994-2009年间县级非平衡面板数据研究了地方财政支出对转移支付变动的“非对称性”反应。通过分析转移支付对财政支出、收入及不同支出项目是否具有“双向”且对称的粘蝇纸效应，得出转移支付引发财政支出扩张的机理。实证结... 详细信息

笔者基于1994-2009年间县级非平衡面板数据研究了地方财政支出对转移支付变动的“非对称性”反应。通过分析转移支付对财政支出、收入及不同支出项目是否具有“双向”且对称的粘蝇纸效应，得出转移支付引发财政支出扩张的机理。实证结论表明，县级财政支出对无条件转移支付和税收返还的变动呈现“双向”变动但不对称，其中，无条件转移支付的增减都会引发财政支出不断扩张，但税收返还的减少有助于缩小财政支出规模；一次性总额拨款和专项转移支付对地方财政支出扩张没有刺激作用；县级地区面临转移支付收入波动时会通过调整支出结构的方式满足特定支出需求。

关键词：地方财政支出转移支付 “非对称性”效应 local expenditure transfer payment asymmetric effects

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Quantifying the Microeconomic and Macroeconomic Impact of the Recent Crude Oil Price Fluctuations

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Open Journal of Statistics 2016年第4期6卷 605-615页

作者： Peng Xu Utsav Adhikari Lei Guo Deepa Sathaye Jihua Wang Dongliang Yi Yizhi Zhu Department of Industrial and Enterprise Systems Engineering University of Illinois Urbana IL USA

This study analyzed the potential impact of the increased oil volatility on the industries and the global economy. Specifically, it separated the oil price fluctuations into positive and negative components, and modeled the return of industry portfolios with them. Next, the sensitivity of the airline industry to oil price was investigated to gauge the effectiveness of their hedging strategies, with the hope that the methodology can be extended to other industries. In addition, this paper explored the macroeconomic impact of oil price movements by examining the benchmarks such as GDP and CPI.

关键词： Crude Oil Airline Hedging asymmetric effects Microeconomics Macroeconomics

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