Weighted Average Cost of Capital
Definition
加权平均资本成本是指债务资本的单位成本和股本资本的单位成本根据债务和股本在资本 结构中各自所占的权重计算的平均单位成本。
Formula
加权平均资本成本率=债务资本利息率×(1-税率)(债务资本/总资本)+股本资本成本率×(股本资本/总资本)
\(WACC= \frac {{\sum ^N _{i=1}}{r_i \cdot MV_i}} {{\sum ^N _{i=1}MV_i}}\) WACC = weighted average cost of capital N = number of sources of capital (securities, types of liabilities) r_i = required rate of return for security i = security MV_i = market value of all outstanding securities