英文名称：Effective Yield 中文名称：有效收益率
假设投资者在取得息票利息后，将款项用于再投资所获得的收益率。
e.g. The effective yield on a 30-year fixed-rate loan fell 42 basis points to 6.16%, and the effective yield on a 15-year loan fell 51 basis points to 5.48%.

The yield of a bond, assuming that you reinvest the coupon (interest payments) once you have received payment. 

Reinvesting the coupon will produce a higher yield because interest is earned on the interest payments.