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| 1 | Fintech,regtech,and financial development:evidence from China显示文摘This study investigates the influence of fintech on developments in China’s financial sector across 290 cities and 31 provinces between 2011 and 2018.Using a two-stage least squares instrumental variable regression approach and correcting for cross-sectional dependency,simultaneity,and endogeneity of regressors,the results establish a positive link between fintech and financial development.Our findings show that fintech supports financial sector development by enhancing access(loans),depth(deposits),and savings within China’s financial institutions.We also show that the emergence of fintech in the area of financial regulation(regulatory technology:regtech)can significantly improve financial development outcomes.Therefore,it is imperative for regulators to pursue policies that balance growth in the fintech sector while mitigating the associated risks.In addition,we use the difference-in-differences approach to show that policy measures such as interest rates liberalization also positively impacted finan-cial development during the analysis period.In our conclusion,we suggest a policy framework for balanced fintech sector growth in developing countries. | Tadiwanashe Muganyi Linnan Yan Yingkai Yin Huaping Sun Xiangbin Gong Farhad Taghizadeh-Hesary | 2022 | Financial Innovation2022，8，1： | 3 |
| 2 | Cross-layer design for cooperative MIMO systems with relay selection and imperfect CSI显示文摘Based on imperfect channel state information (CSI) and relay selection, a cross-layer optimization scheme is developed for cooperative MIMO system, and the corresponding system performance is investigated in Rayleigh fading channel. By the theoretical analysis and mathematical manipulation, the average spectral efficiency (SE), packet error rate (PER) and packet loss rate (PLR) are derived. As a result, closed-form expressions of the average SE, PER and PLR are obtained, respectively. According to these, a cross-layer design (CLD) scheme subject to the average PER constraints is proposed to avoid the SE performance loss caused by the conventional instantaneous PER constraints. The scheme optimizes the adaptive thresholds by maximizing the average SE of the system, and an iteration method joint the Lagrange multiplier and Newton methods is presented to solve the above optimization problem. Simulation results verify the validity of the theoretical analysis. The results show that the proposed CLD scheme can improve the SE while target PLR is maintained. The CLD scheme under average PER constraints has higher SE than the conventional CLD scheme under instantaneous PER constraints. | YU XiangBin ZHOU TingTing RUI Yun YIN Xin CHEN Ming | 2013 | Science China(Information Sciences)2013，56，2： | 2 |
| 3 | Relationship between Expression of CEA,E-cadherin and Liver Metastasis in Colorectal Cancer显示文摘OBJECTIVE To investigate the expression of E-cadherin andCEA in serum in colorectal carcinoma and their relationship withliver metastasis.METHODS CEA level was measured post-operativelyby radioimmunoassay of 60 patients with colorectal cancer.Immunohistochemical analysis was used to evaluate theexpression of E-cadherin.RESULTS In liver metastasis group,24 patients (24/26,92.3%)were high level of CEA,but only 9 patients in non-liver metastasisgroup.The difference is significant (P=0.004).Expression ofE-cadherin significantly correlated with differentiation,but wasnot associated with Tstage or N stage.Liver metastatic rate innegative expression was higher than that in positive expression.And the survival analysis showed that time of liver metastasis wassignificant different in two groups (P<0.05).CONCLUSION The expression of CEA in serum can be usedto predict liver mestatasis of colorectal cancer after operation.E-cadherin,associated with tumor differentiation,is also a hopefulindicator for the prediction of liver metastasis in patients withcolorectal cancer. | Ning Li Xiaobing Chen Xiangbin Wan Suxia Luo Lili Han Mengqiang Zhou Dengwen Yin Li Zhang | 2008 | Chinese Journal of Clinical Oncology2008，5，6： | 2 |
| 4 | An approach for improving the carriers transport properties of a-Si:H/c-Si heterojunction solar cells with efficiency of more than 27%显示文摘 | Xixing Wen Xiangbin Zeng Wugang Liao Qingsong Lei Sheng Yin | 2013 | Solar Energy2013，，： | 1 |
| 5 | Reflection Loss is a Parameter for Film,not Material显示文摘In studies of microwave absorption in the current literature,theories such as reflection loss,impedance matching,the delta function,and the quarter-wavelength model have been inappropriately applied.As shown in this case study,these problems need to be corrected as they are representative of similar work in the literature. | Ying Liu Xiangbin Yin Michael G.B.Drew Yue Liu | 2023 | Non-Metallic Material Science2023，5，1： | 1 |
| 6 | Hexarelin suppresses high lipid diet and vitamin D 3 -induced atherosclerosis in the rat显示文摘 | Jinjiang Pang Qihua Xu Xiangbin Xu Hongchao Yin Rongkun Xu Shu Guo Wei Hao Luya Wang Chen Chen Ji-Min Cao | 2009 | Peptides2009，，4： | 1 |
| 7 | Structural, optical and electrical properties of ZnO: B thin films with different thickness for bifacial a-Si:H/c-Si heterojunction solar cells显示文摘 | Dong XU Sheng YIN Xiangbin ZENG Song YANG Xixing WEN | 2017 | Frontiers of Optoelectronics2017，10，1： | 1 |
| 8 | Generating a reporter mouse line marking medium spiny neurons in the developing striatum driven by Arpp21 cis-regulatory elements显示文摘The striatum, as the primary input nucleus in the basal ganglion,plays an important role in neural circuits crucial for the control of critical motivation, motor planning and procedural learning(Kreitzer and Malenka, 2008). Most cells in the striatum are GABAergic, including a large population (90%-95%) of medium spiny neurons (MSNs) and a small population of interneurons. | Pan Chen Xiangbin Ruan Yongqiang Chen Shilong Chu Kunlun Mo Chao Wu Wei Liu Bin Yin Junjie Zhou Liang Li Lin Hou Jiangang Yuan Boqin Qiang Jiekai Chen Pengcheng Shu Xiaozhong Peng | 2018 | Journal of Genetics and Genomics2018，45，12： | 0 |
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