The risk-free rate is the theoretical return on an investment with zero risk, often represented by the yield on government bonds, such as U.S. Treasury securities. It serves as a benchmark for evaluating the expected returns of other investments while taking into account their risks. The risk-free rate is a critical component in calculating the cost of capital and determining the weighted average cost of capital (WACC), as it reflects the minimum return investors expect for taking on additional risk.
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