研究领域:金融学证券市场卖空机制对股价影响的研究——来自台湾市场的实证A study on the relationship between the short selling and stock price in the securities market: evidence from Taiwan stock market廖士光 杨朝军上海交通大学管理学院摘要:本文利用协整检验和 Granger 因果检验的计量方法研究了我国台湾股票市场的卖空机制与股票价格之间的关系,实证结果表明,卖空交易额与股价指数之间存在着长期稳定的协整关系,股价指数是卖空交易额的 Granger 原因,但卖空交易额不是股价指数的Granger 原因,即卖空机制的存在并未加剧证券市场的波动,而且由于卖空交易额和股价指数存在正向变动关系,这就使得卖空机制可以对市场的波动起到平抑作用
关键词:卖空 协整检验 Granger 因果检验Abstract: Base on the cointegration and Granger causality test, this paper discussed the relationship between the short selling and stock price in Taiwan stock market
And the empirical results showed that there existed a long term cointegration between short selling and stock index, and the stock index was the Granger causality of short selling, but the stock index can’t be explained by t