Chen Yifei was a Chinese painter known for his realistic portraits, landscapes, and interiors. Born on April 12, 1946 in Ningbo, China, he studied at the Shanghai College of Art, where he learned to ...

ABSTRACT: This paper aims to study the GARCH-X model based on high-frequency data. Building upon the existing research on the selection criteria for optimal volatility representation and parameter ...

Impact and progress Frontiers' impact Progress Report 2022 All progress reports ...