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Exploring firms' innovation capabilities through learning systems 期刊论文
NEUROCOMPUTING, 2020, 卷号: 409, 页码: 27-34
作者:  Li, Yawen;  Wang, Xiaoyang;  Chen, Chengcai;  Jing, Changyuan;  Wu, Tian
收藏  |  浏览/下载:186/0  |  提交时间:2020/10/12
Machine learning  Innovation input capability  Collaborative innovation capability  Innovation performance  XGBoost  GBDT  
Buffered Autoregressive Models With Conditional Heteroscedasticity: An Application to Exchange Rates 期刊论文
JOURNAL OF BUSINESS & ECONOMIC STATISTICS, 2017, 卷号: 35, 期号: 4, 页码: 528-542
作者:  Zhu, Ke;  Li, Wai Keung;  Yu, Philip L. H.
收藏  |  浏览/下载:129/0  |  提交时间:2018/07/30
Buffered AR-GARCH model  Buffered AR model  Exchange rate  GARCH model  Nonlinear time series  Threshold AR model  
Sign-based portmanteau test for ARCH-type models with heavy-tailed innovations 期刊论文
JOURNAL OF ECONOMETRICS, 2015, 卷号: 189, 期号: 2, 页码: 313-320
作者:  Chen, Min;  Zhu, Ke
收藏  |  浏览/下载:153/0  |  提交时间:2018/07/30
ARCH-type model  Heavy-tailed innovation  LAD estimator  Model diagnostics  Sign-based portmanteau test  
Model-based pricing for financial derivatives 期刊论文
JOURNAL OF ECONOMETRICS, 2015, 卷号: 187, 期号: 2, 页码: 447-457
作者:  Zhu, Ke;  Ling, Shiqing
收藏  |  浏览/下载:134/0  |  提交时间:2018/07/30
NGARCH  EGARCH and GJR models  Non-normal innovation  Option valuation  Risk neutralized measure  Volatility skew