This paper develops a rigorous mathematical framework for analyzing trust dynamics and statistical properties in small-scale risk-sharing communities. We establish that small pools with interdependent risks exhibit fundamentally different mathematical properties than large insurance systems,...

This paper analyses the contagion effects of the Greek stock market to the European stock markets of the NYSE Euronext group (Belgium, France, the Netherlands and Portugal), in the context of the 2010 sovereign debt crisis. Three tests of contagion are performed using copula models. The first...

Asymmetric dependence (AD) is defined as dependence that differs across opposing regions of the joint return distribution. Recent evidence of AD between equity returns suggests that dependence can be decomposed into a linear component, captured by the correlation matrix, and a higher order...

This paper presents three tests of contagion of the US subprime crisis to the European markets of the NYSE-Euronext group. Copula models are used to analyse dependence structures between the US's and the other markets in the sample, in the pre-crisis and in the subprime crisis periods. The first...