Finally, there is the intangible asset evaluation methods, and the need for improvement.
最后指出无形资产评估方法中所存在的问题，以及需要改进的地方。
The B-S model and binary model are used in the evaluation of intangible asset and real option pricing model and identification of its parameters are formed accordingly.
在这之后，把期权的B - S模型及二叉树模型应用于无形资产的价值评估中，并由此建立了无形资产的实物期权定价模型及其参数确定方法。
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