文章基本信息

标题：The Volatility of Market Risk in Viet Nam Listed Medical Company Groups During and After theFinancial Crisis 2007-2009
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作者：Dinh Tran Ngoc Huy
期刊名称：International Journal of Management and Business Studies
印刷版ISSN：2231-2463
电子版ISSN：2230-9519
出版年度：2013
卷号：3
期号：3
出版社：Cosmic Journals
摘要：The research analyzes the data of total 14 listed firms of related medical industry in the Viet Nam economy and especially, the stock exchange which has been affected by the global crisis during the period 2007-2011. First, using quantitative and analytical methods to estimate asset and equity beta values of three (3) groups of sub-medical listed companies in Viet Nam Medicine, Medical equipment and Human resource industries with a suitable traditional model, we found out that the beta values, in general, for most companies are acceptable, excluding a few cases. There are 57% and 71% of listed firms with lower risk, among total 14 firms, whose beta values lower than (<) 1, which is measured by equity and asset beta, accordingly. Second, through comparison of beta values among three (3) above industries, we recognized there are still 21% and 7% of total listed firms in the above group companies with beta values higher than (>) 1 and have stock returns fluctuating more than the market index, indicated by equity and asset beta, accordingly.Third, there are exceptional cases with beta lower than (<) 0, with 21% of firms whose equity and asset beta < 0, showing stock movement in an opposite direction to the market.Finally, this paper generates some outcomes that could provides both int ernal and ext ernal i nvest ors, financial institu tions, companies and government more evidence in establishing their policies in investments and in governance
关键词：Equity Beta; Financial Structure; Financial Crisis; Risk; Asset Beta; ;Medical Industry