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目前,各个国家面临着不同程度的通贷膨胀.在此情况下,如何规避通货膨胀所带来的财富稀释是现阶段所有投资人追求的目标.本文从投资产品的价格出发给出了两阶段均值-方差投资问题的最优解.分析了交易费用、风险资产的期望回报率以及波动率对投资策略的影响.最后,我们依据实际算例分析为投资者提供指导,并且给出了政策建议.
At present, all countries are facing different degrees of inflation.In this case, how to avoid the dilution of wealth brought by inflation is the goal pursued by all investors at the present stage.This article gives two stages from the price of investment products Mean-variance investment problem.The paper analyzes the transaction costs, the expected return of risk assets and the impact of volatility on investment strategy.Finally, we provide guidance to investors based on the actual case analysis, and give policy recommendations .