Research on the Performance of Real Estate Listed Companies

由于兼具消费属性与投资属性，房地产的健康发展对金融稳定、经济发展和社会进步的影响举足轻重。探索适合于房地产企业的一套评价方法，恰当地综合评价其经营绩效及其影响因素，对于投资者和债权人保护自身利益，对于经营者防范公司财务危机，对于政府管理部门监控上市公司的质量和证券市场风险，都有重要的现实意义。 本文以2008年深沪A股市场56家房地产经营与开发公司作为研究样本，在借鉴国内外绩效评价与研究方法的基础上，采用财务指标对房地产上市公司展开绩效分析，运用因子分析法计算房地产上市公司的绩效得分；运用逐步回归分析法实证研究房地产上市公司的绩效影响因素。实证结果表明：偿债因子、现金流量因子、盈利因子、资金...Real estate is a special industry born with the characteristics of consumption and investment. The healthy development of this industry heavily affect on financial stability, economic development and social progress. How to evaluate the performance and their influencing factors of real estate enterprises appropriately, post great practical significance for investors and creditors to protect their ...学位：经济学硕士院系专业：经济学院经济研究所_区域经济学学号：2902007115041

JUNO Sensitivity on Proton Decay p→νˉK+p\to \bar\nu K^+ Searches

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar\nu K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar\nu K^+$ is 36.9% with a background level of 0.2 events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is $9.6 \times 10^{33}$ years, competitive with the current best limits on the proton lifetime in this channel

JUNO sensitivity on proton decay p → ν K + searches*

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this study, the potential of searching for proton decay in the $p\to \bar{\nu} K^+$ mode with JUNO is investigated. The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar{\nu} K^+$ is 36.9% ± 4.9% with a background level of $0.2\pm 0.05({\rm syst})\pm$$0.2({\rm stat})$ events after 10 years of data collection. The estimated sensitivity based on 200 kton-years of exposure is $9.6 \times 10^{33}$ years, which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies