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Correlations, Risk and Crisis: From Physiology to Finance
Correlations Factor Liebigs Law Synergy Adaptation Selection Crisis Indicator
2010/11/1
We study the dynamics of correlation and variance in systems under the load of environmental factors. A universal effect in ensembles of similar systems under the load of similar factors is described:...
Cross-correlations in Warsaw Stock Exchange
Statistical Finance Data Analysis Statistics Probability Physics Society
2010/12/16
We study the inter-stock correlations for the largest companies listed on Warsaw Stock Exchange and included in the WIG20 index. Our results from the correlation matrix analysis indicate that the Poli...