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249 results on '"CHEN, Shouming"'

13. The Weixi High‐silica Granitoids in the Central Sanjiang Orogenic Belt, Southwest China: Implications for Growth of the Continental Crust.

Author

WANG, Qiuyu, CHEN, Shouming, ZHANG, Hongrui, and LI, Saisai

Subjects
*CONTINENTAL crust, *OROGENIC belts, *RARE earth metals, *VOLCANIC ash, tuff, etc., *ZIRCON, *RARE earth oxides, *RUBIDIUM, *MAGMAS
Abstract

High‐silica granitoids record the formation and evolution of the continental crust. A new intrusive complex has been recognized among silicic volcanic rocks of the Weixi arc, Southwest China. The intrusions consist of granites, granitic porphyries, and granodiorites. Zircon U‐Pb age data indicate that the Weixi granitoids formed at 248–240 Ma and were coeval with silicic volcanic rocks of the Weixi arc. The Weixi granitoids are enriched in Rb, Th, and U, depleted in Ba, Sr, Nb, Ta, and Ti, and have high light/heavy rare earth element ratios and slightly negative Eu anomalies. The Weixi granitoids have negative εNd(t) values (–9.8 to –7.8) and negative zircon εHf(t) values (–12.02 to –5.11). The geochemical and isotopic features suggest the Weixi granitoids were derived by partial melting of ancient crustal material. The Weixi granitoids and silicic volcanic rocks were derived from the same magma by crystal accumulation and melt extraction, respectively, and they record the formation of a continental arc in the central Sanjiang orogenic belt. [ABSTRACT FROM AUTHOR]

Published
2024
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36. Reinforcement Learning Based Web Service Compositions for Mobile Business

Author

Zhou, Juan, Chen, Shouming, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Liu, Wenyin, editor, Luo, Xiangfeng, editor, Wang, Fu Lee, editor, and Lei, Jingsheng, editor

Published
2009
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38. Managers' aspirations and quality of CSR reports: evidence from China.

Author

Hu, Yuanyuan, Chen, Shouming, Liu, Runshi, and Dai, Yi

Subjects
ORGANIZATIONAL behavior, LEVEL of aspiration, STUDENT aspirations
Abstract

This study aims to investigate the potential impact of peer firms on the quality of CSR reports produced by the focal firm. By combining insights from the behavioral theory of the firm and existing literature on aspirations, this paper proposes that the aspiration levels of managers regarding CSR reporting play a crucial role in determining the quality of CSR reports. Specifically, it is suggested that the quality of CSR reports is likely to improved when the current level falls short of managers' aspirations for CSR reporting. Conversely, when the current quality of CSR reports surpasses managers' aspirations, it is expected to decline. Additionally, this paper proposes that this effect will be stronger when the owner of the firm is government or the firm's visibility is high. Using a comprehensive panel dataset covering Chinese listed firms with A‐shares from 2012 to 2018, the empirical findings strongly support these arguments. [ABSTRACT FROM AUTHOR]

Published
2023
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48. D Investment in China? An Event Study Approach

Author

Hu, Yuanyuan, Chen, Shouming, Qiu, Fangjun, Chen, Peien, and Chen, Shaoxiong

Subjects
DiD, pharmaceutical firms, firm value, innovation, “4 + 7” volume-based procurement policy, event study, R&D intensity
Abstract

Innovation is the key to the development of the pharmaceutical industry. The pilot program of China’s “4 + 7” volume-based procurement policy (“4 + 7” procurement policy) brings the drug price back to a reasonable level through trading procurement quantities for lower drug prices. The policy manages to reduce the burden of the health care system, improve efficiency, and push the pharmaceutical industry to transform and update from the era of high gross profit of generic drugs to innovative drugs. So far, few studies have investigated the influence of the volume-based procurement policy on the innovation of pharmaceutical firms. By combining the event study and Difference-in-Difference (DiD) methodology, this study finds that the abnormal return (AR) of firms with high R&amp, D intensity is lower than that of firms with low R&amp, D intensity during the event window period. Moreover, further analysis identifies the moderating effect of firm size and firm type. Specifically, the results show that the negative influence of high R&amp, D intensity on abnormal return (AR) during the announcement of the “4 + 7” procurement policy is stronger in large firms and innovative pharmaceutical firms. Finally, we discuss the policy implications of our study.

Published
2021
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