股票市场受到大量外在因素的影响,导致股市发生波动,进而影响成交量,如公司规模、市场信息、投资信心和风险指数等指标。本文拟从回报溢酬和盈余公告效应两者对高成交量的影
中学时代的数学竞赛尖子,上海交大系学生会主席,耶鲁大学MBA,德意志投资银行部最年轻的董事,2003年上市NASDAQ的携程网联合创始人,如家联合创始人,分众、金丰易居投资人之一,
Time domain ABCD matrix formalism is a useful model for analyzing the characteristics of actively modelocked fiber laser. Based on this model and given more con
欠发达地区农村信用社不良资产占比较高,影响了自身的发展.因此,当前亟待构建"三位一体"的风险化解体系,以从根本上提高农村信用社的经营水平和盈利能力.
The characteristic of EDFA in WDM system is analyzed.The simulation system based on the architecture of the China Information Network (CAINONET) is introduced,
我上市公司出现一系列问题,有其自身的原因,也与当前我国特定的市场环境、法律环境密切相关。设计、形成有效的财务治理机制,对企业财务行为进行适度的调节和控制,是当前上市
当前,金融资产管理公司管理和处置的重点应是公司的核心资产,即有一定的资产规模而且具有较高的经营价值或保值增值潜力的资产.本文分三步详细探讨了管理和处置核心资产的方
Reactive ion etching characteristics of GaAs,GaSb, InP and InAs using Cl2/Ar plasma have been investigated, it is that,etching rates and etching profiles as fun
Based on signal space concepts, a transmission error code performance for MPSK, square MQAM and star MQAM modulation schemes on the AGWN channel is analyzed.The
Suspended gold nanoparticles have been synthesized via electrochemical method.Fluorescence excitation and emission spectra were obtained using a spectrofluoroph