Search results for "EQUITY MARKETS"

showing 1 items of 1 documents

Evolution of worldwide stock markets, correlation structure and correlation based graphs

2011

We investigate the daily correlation present among market indices of stock exchanges located all over the world in the time period Jan 1996 - Jul 2009. We discover that the correlation among market indices presents both a fast and a slow dynamics. The slow dynamics reflects the development and consolidation of globalization. The fast dynamics is associated with critical events that originate in a specific country or region of the world and rapidly affect the global system. We provide evidence that the short term timescale of correlation among market indices is less than 3 trading months (about 60 trading days). The average values of the non diagonal elements of the correlation matrix, corre…

NETWORK STRUCTUREPhysics - Physics and SocietyStatistical Finance (q-fin.ST)CROSS-CORRELATIONSCovariance matrixINDEXESFOS: Physical sciencesQuantitative Finance - Statistical FinanceScale (descriptive set theory)Physics and Society (physics.soc-ph)Mutual informationNOISEFOS: Economics and businessCorrelationMINIMUM SPANNING-TREESDYNAMIC ASSET TREESStock exchangeOrder (exchange)EconometricsEQUITY MARKETSMATRICESStock (geology)Eigenvalues and eigenvectorsMathematics
researchProduct