In other words, the interest rate on loanable funds cannot fall below zero because holding cash guarantees a rate of return of zero.

换句话说，可贷资金的利率不可能低于零，因为持有现金的回报率都可以为零。

youdao

The internal rate of return (IRR for short) of a project is simply the interest rate that makes the NPV of the project equal to 0.

项目的内部收益率(略为IRR)就是使得项目 NPV 为 0 的利率.

youdao

Investors get a return based on the interest rate of the loan and can lose their money if the business defaults.

在贷款利率的基础上，投资者获得回报，也可能因商业违约而失去金钱。

youdao

With the majority of CDOs being backed by mortgages, the principal-only tranche has a known future cash flow, but at a variable rate of return, while the interest-only tranche has both an unknown cash flow and an unknown rate of return on that cash flow.

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The greater the spread between the high-interest debt and the rate of return on investment, the greater the financial advantage for paying off the debt first.

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When you invest in a project your primary concern is that your rate of return exceed the rate of interest that you are paying.

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