This paper studies the theory of Markov knowledge, what's more, it surveys and analysis the market share. Then for three specific companies, the paper builds a model using Markov theory based on companies of insurance market. Through the model, it analysis several possible circumstances and puts forward the way to deal with them. Furthermore, it predicts and analyzes the distribution of market shares in the later period, which provides references for companies.
In order to satisfy the inter-temporal securities investors, we discuss the inter-temporal securities portfolio model with adding transaction fees in this paper. Meanwhile, for the purpose of improving the practicality of the model, we take the transaction fees, the trading volume and the minimum trading unit into account in founding the model. We divide the main content of this paper into three parts. First, Obtaining the yield and variance buy least squares in a specific period of time. Then, founding the inter-temporal securities portfolio model with adding transaction fees. Finally, obtaining the integral solution of the model. The proposed of this model provide a valuable reference standard for inter-temporal securities investors.
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