现值
单期情况下,PV的公式可以写为:
PV C1 1 r
其中: C1为时期1的现金流 r为利息率
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Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved.
净现值
净现值(NPV)为一项投资预期现金流的现值减 去投资的成本。
实际年利率
C01m rnmC01EAR n
EAR1
r
m
1
m
McGraw-Hill/Irwin
Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved.
实际年利率
当名义年利率为18%,每月计息一次,计算其实 际年利率?
月利息率为18%/12=1.5%
EAR1r m11.18121 m 12
(1.01)51211.1956119.56%
实际年利率为19.56%
McGraw-Hill/Irwin
Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved.
F V $ 5 0 1.1 2 2 3$ 5 0 (1 .0)6 6 $ 7.9 03 2
McGraw-Hill/Irwin
Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved.
实际年利率
在上例中,该投资的实际年利率为多少?
假定你现在投资$9,500,一年后你可以获得 $10,000,当利息率为5%时,你是否接受该投资 项目?