期刊名称：CERT Discussion Paper / Center for Economic Reform and Transformation
出版年度：2005
卷号：2005
出版社：Edinburgh
摘要：In this paper, we provide empirical evidence on the impact of institutional investors on stock market returns dynamics in Poland. The Polish pension system reform in 1999 and the associated increase in institutional ownership due to the investment activities of pension funds are used as an unique institutional characteristic. Performing a variant of the event study methodology in an asymmetric GARCH framework we find robust empirical evidence that the increase of institutional ownership has changed the autocorrelation and volatility structure of aggregate stock returns. However, the findings do not support the hypothesis that institutional investors have destabilized stock prices. The results are interpretable in favor of a stabilizing effect on index stock returns induced by institutional trading.
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