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• W3217202295 abstract "Purpose This particular study examined the government bond price variations in order to determine the presence of excess volatility both at country and panel group level of BRICS countries context. Design/methodology/approach The study applied the autoregressive GARCH panel model approach proposed by Fakhry and Richter (2015) to evaluate the presence of excess volatility and then examined the diversification benefits. Further, the use of discrete wavelet transformation (DWT) has added the advantage to observe volatility across bonds along with potential diversification benefits by retaining information from the time and frequency domain perspective for both the maturities. Findings The main finding indicates that the excess volatility is present in BRICS countries at individual level i.e. in the case of Russia, India and China. However, the 10-year bond showing a less volatility compared to 5-year bond with the possibility of reaping out the benefits of diversification with international portfolio of sovereign bonds. Practical implications The main implication of the research is related to the non-perseverance of EMH as far sovereign bonds of BRICS countries are concerned as the results indicate presence of excess volatility in the 5-year and 10-year bond markets. However, the implicit behavior of 5-year bond could benefit the active fund managers and investors by taking an advantage of a reducing systemic risk through short-medium term investments. Originality/value This study contributes not only to the existing studies of similar nature by examining the excess volatility in bond markets but also taking account of co-moment of distinct maturities to confirm possible international diversification benefits for BRICS countries context." @default.
• W3217202295 created "2021-12-06" @default.
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• W3217202295 date "2021-11-23" @default.
• W3217202295 modified "2023-09-25" @default.
• W3217202295 title "Excess volatility pursuit in autoregressive GARCH model based panel data analysis at country level: BRICS context" @default.
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• W3217202295 doi "https://doi.org/10.1108/ijoem-04-2021-0480" @default.
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