Showing 201 - 210 of 218
Voltage sag state estimation based on a limited number of accessible monitors is essential to assessing the cost balance between investments in mitigation device and disruption cost saved. In this paper, a deep learning method based on Bidirectional WaveNet for voltage sag state estimation via...
Persistent link: https://www.econbiz.de/10013304533
In a data-rich environment, few studies use many predictors at different frequencies to forecast crude oil returns. This paper proposes a new model, LASSO-MIDAS, which combines LASSO (the least absolute shrinkage and selection operator) and MIDAS (mixed data sampling model) to predict crude oil...
Persistent link: https://www.econbiz.de/10013308801
Persistent link: https://www.econbiz.de/10013463292
This study finds that institutional investors’ on-site visits significantly increase financial reporting aggressiveness, proxied by the level of accruals. Our results are robust using alternative measures of aggressive financial reporting, e.g., positive reporting tone and the likelihood of...
Persistent link: https://www.econbiz.de/10014238353
Is asset liquidity a source of price volatility? We answer this question within a continuous-time, New Monetarist economy under extrinsic uncertainty and endogenous asset liquidity. We consider single or multiple assets, risk-free or risky assets, assets that have a positive intrinsic value, no...
Persistent link: https://www.econbiz.de/10014239423
The expanding availability of data in the financial sector promises to take the performance of machine learning models to a new level. However, given the high business value and confidentiality of credit data, integrating datasets from multiple institutions for modeling may result in privacy...
Persistent link: https://www.econbiz.de/10014242965
As an important non-metallic strategic mineral resource, boron plays an important role in the development of national emerging strategic industries. In this study, a complex network approach, core-periphery model and link prediction model are used to analyze the evolution of international trade...
Persistent link: https://www.econbiz.de/10014243660
We examine whether and, if so, how managerial efficiency influences stock price crash risk in Chinese listed firms. We find that superior managerial efficiency reduces stock price crash risk. Our mechanism analysis shows such a beneficial effect is achieved through improved information...
Persistent link: https://www.econbiz.de/10014257431
Persistent link: https://www.econbiz.de/10013553019
Herein, in-situ synthesis of nonstoichiometric α-Fe2O3/LaFeO3 compounded with g-C3N4 and Ti3C2 MXene to form multiple Z-scheme/Schottky heterojunctions, α-Fe2O3/LaFeO3/g-C3N4/Ti3C2 (FLCT), is reported. In the FLCT, α-Fe2O3/LaFeO3 could promote carrier migration, g-C3N4 caused electrons to...
Persistent link: https://www.econbiz.de/10013300215