Browsing by Subject "financial liberalization"

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Financial liberalization, foreign equity investment and volatility in emerging stock exchanges
(2008) Umutlu, Mehmet
In this thesis, the effects of financial liberalization and foreign equity investment on the return volatility of stocks in emerging stock exchanges are investigated. At the aggregate level analyses, it is shown that the degree of financial liberalization has an increasing impact on the aggregated total volatility of stocks. The analysis of the components of the aggregated total volatility indicates that that the degree of financial liberalization impacts the aggregated total volatility through aggregated idiosyncratic and local volatility. In the second part of the aggregate level analyses, the effect of foreign equity investment on the return volatility of stocks is investigated by using foreign equity flow data which is available for İstanbul Stock Exchange. It is found that foreign equity inflow and outflow have asymmetric effects on average stock-return volatility. While an inflow has a decreasing impact on aggregated stock return volatility, an outflow has an increasing impact. At the firm level analysis, the time-series variation in return volatility of stocks that are crosslisted on US exchanges is examined. Unlike previous studies in cross-listing literature, return volatility is analyzed using conditional heteroscedasticity models. It’s found that firms’ exposure to risks such as local and global market betas remain unchanged after cross-listing. Moreover, no change in the dynamics of the volatility of cross-listed stocks is detected. Furthermore, it’s shown that the mean level of conditional variance is not affected by the decision to cross-list. Thus, it is concluded that share holders of cross-listed stocks are not subject to adverse volatility effects.