We use insight from a model of earth techtonic plate movement to obtain a new understanding of the build up and release of stress in the price dynamics of the world's stock exchanges. Nonlinearity enters the model due to a behavioral attribute of humans reacting disproportionately to big...

We study how the phenomenon of contagion can take place in the network of the world's stock exchanges when each stock exchange acts as an integrate-and-fire oscillator. The characteristic non-linear price behavior of the integrate-and-fire oscillators is supported by empirical data and has a...