Özet:

Foreign portfolio investments and international capital flows have crucial effects on stock market indexes and economic performance of a country. In this article, the effects of foreign portfolio investments on fluctuations of BIST100 index were examined. In this context, data of 522 weekly time series between 07.01.2005 and 02.01.2015 were used. For stock certificates of people living abroad and the BIST100 index, time series econometrics was applied and it was tested with VAR method. In this article, in order to define the direction of causality between variables, Granger causality test, action-reaction function and variant discretisation techniques were used. “It was concluded that in BIST100 index as more foreign investors buy the stocks, the index navigates in higher levels. So foreign portfolio investments and international capital flows have impact on BIST100 index.

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