Yang Jianmei

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There are some shortages in using the model of digraphs network, bipartite network, and complex network to study product competition among enterprises. In this paper, by introducing hyper-network model to investigate this problem, we present several lemmas and properties which hyper-network and complex network should satisfy. Finally, we apply these models(More)
The existing two main ways to interpret the formation of merge waves are neo-classical approach and behavior finance approach. Both of these two methods focus on exogenous variables influence, such as the industry shock, shakeout, stock price fluctuation, manager's behaviors and so forth, while they neglect effects of endogenous variables, such as the(More)
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