DOI: 10.1007/978-4-431-53947-6_9
关键词: Econometrics 、 First order 、 Price change 、 Stock market 、 Mutual influence 、 Volatility (finance) 、 Mathematics
摘要: The mutual influence between the index time series and volume of Korean stock market, KOSPI, is considered along with it volatility, first order Landau expansion fitting, volume-index correlation based on one minute data. We find causality indeed exists in but not volume series.