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Swarm Intelligence, Systemic Congestion, Payment Crisis, Non-homogeneous Poisson Process

With the highly development of information technology, the more efficient inter-bank payment system is required by modern financial system. This paper analyzes the spontaneous process of congestion in inter-bank payment system through creating multi-agents model between banks and customers. The simulation result indicates that the systemic liquidity congestion of inter-bank payment system is affected seriously by the demand of inter-bank payment. We find that the scale of bank system plays an important role on relieving the systemic payment pressure. On the other hand, the scale of bank system has a positive relationship with the probability of payment crisis occurrence, because the larger scale of the bank, the more pressure it takes in payment system.