Comparison between response dynamics in transition economies and developed economies
- 8 October 2010
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 82 (4), 046104
- https://doi.org/10.1103/physreve.82.046104
Abstract
In developed economies, the sign of the price increment influences the volatility in an asymmetric fashion—negative increments tend to result in larger volatility (increments with larger magnitudes), while positive increments result in smaller volatility. We explore whether this asymmetry extends from developed economies to European transition economies and, if so, how such asymmetry changes over time as these transition economies develop and mature. We analyze eleven European transition economies and compare the results with those obtained by analyzing U.S. market indices. Specifically, we calculate parameters that quantify both the volatility asymmetry and the strength of its dependence on prior increments. We find that, like their developed economy counterparts, almost all transition economy indices exhibit a significant volatility asymmetry, and the parameter characterizing asymmetry fluctuates more over time for transition economies. We also investigate how the association between volatility and volatility asymmetry varies by type of market. We test the hypothesis of a negative correlation between volatility and volatility asymmetry. We find that, for developed economies, experiences local minima during (i) “Black Monday” on October 19, 1987, (ii) the dot-com bubble crash in 2002, and (iii) the 2007–2009 global crisis while for transition economies, experiences local maxima during times of economic crisis. DOI: http://dx.doi.org/10.1103/PhysRevE.82.046104 © 2010 The American Physical Society
Keywords
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