An ordinary annuity can be defined as

中国大学MOOC: The difference between an immediate annuity and an ordinary annuity is _________. 即期年金和普通年金的差额是_________。

An ordinary annuity is best defined by which one of the following?

概念题[br][/br]终身年金( life annuity )

概念题[br][/br]增长年金( growth annuity)

Which of the following statements is false? A: The difference between an annuity and perpetuity is that an annuity ends after some fixed number of payments. B: Most car loans, mortgages, and some bonds are annuities. C: A growing perpetuity is a cash flow stream that occurs at regular intervals and grows at a constant rate forever. D: An annuity is a stream of N equal cash flow paid at irregular intervals.

The difference between an immediate annuity and an ordinary annuity is _________. 即期年金和普通年金的差额是_________。 A: the interest rate (利率) B: the amount of the payments (付款金额) C: the timing of the payments (付款时间) D: the number of periods (期数)

中国大学MOOC: 预付年金（annuity due）:等额的现金流发生在 （年初、月初）

中国大学MOOC: 普通年金（regular annuity）：等额的现金流发生在（年末、月末 等等）

年金（Annuity）是指一定时期内每次等额收付的系列款项，通常用A来表示。年金的形式包括保险费、养老金、租金等。