It shows that the demand variability does not increase when the retailer relies on the simply exponentially weighted moving average or the simple moving average to forecast demand.
提出了当零售商采用一次平滑指数法或简单移动平均法获得需求信息的过程中，不存在波动放大现象。
A simple example reveals that the existing weighted average cost of capital (WACC) formula for valuation conflicts with the principle of value additivity.
一个简单的例子揭示了现有的加权平均资本成本(WACC)计算公式违背了价值的可加性原理。
The paper presents a short term load combined forecasting model using the simple average and weighted optimum combination principles.
文中分别应用简单平均组合与最优加权组合原理，建立了短期负荷预测的组合模型。
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