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??? ?????? portfolio selection theory

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Title: portfolio selection theory Author: zsq Last modified by: COMMON Created Date: 5/16/2003 7:24:42 AM Document presentation format – PowerPoint PPT presentation

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Title: ??? ?????? portfolio selection theory


1
??? ??????portfolio selection theory
  • ??? ????????????
  • ??? ??????????
  • ??? ??????
  • ??? ????????????????

2
???????????(?)
  • ???????????,????????????????????????????????????
    ?????????????,??????????,?????????????????????????
    ?,??????????????????
  • Hicks(1935)????????,?????,??????

3
?????????(?)
  • Harry Markowiz(1952)Portfolio Selection,?????????
    ??(the modern portfolio theory,MPT)???
  • William Sharpe(1963)?????-?????????-----?????(sing
    le-index model)
  • William Sharpe(1964)?John Lintner?(1965)Jan
    Mossin(1966)???????????????????CAPM

4
?????????(?)
  • Richard Roll(1976)?CAPM?????,??????????????
  • Stephen Ross(1976)???CAPM,?????????(arbitrage
    pricing model , APT)
  • Fama(1970)??????????
  • ???????(Chaos)(??)???

5
?????????????
6
???????????????
1.1 ????? 1.2 ????? 1.3 ??????? 1.4 ?????????????
7
1.1 ?????
  • 1.1.1 ???????
  • 1.1.2 ?????????

8
1.2 ?????
  • ??????????,???????????????????,??????????????????
  • ????????????????????????,???????????
  • ????(scenario analysis)

9
1.3 ?????
  • ??????????(????)

10
??????????????
  • ????????????????,????????????????????????????????
    ???????????,????????????????????,?????????????????
    ??????????????????,???????????????????????????????
    ,?????????

11
  • ?? ??????????????????,??????????????,????????????
    ??????????????????????,??????,?????????
  • ?? ???????????????????????????????,???????????????
    ????,??????,???????????????????????????????,??????
    ????????????????????
  • ????????????????,?????????????????????????????????
    ?????????,?????,??????????

12
  • ???????????????????????????????????,???????????,?
    ??????????,?????????????????
  • ?????????????????????????????????????????????,??
    ?????????????????,???????,????????????????
  • ??????????????,??????????????????????????????1998?
    12?7???,????????,?????????2.6??,????????,?????????
    ??,???????

13
  • ????????????????,?????????????????????????????????
    ???????????????????????????????,????????????,?????
    ?????????????????????
  • ???????????????????????????,????,?????????????????
    ?????????
  • ??????????????,????,??????????????????????????

14
1.4 ?????????
  • ???????????????????????????????????????????
  • ?r??????????????,??????? ,
    , ????????,????????????

15
??? ??????????
  • 2.1 ?????
  • 2.2 ?????
  • 2.3 ?????
  • 2.4 ??????????
  • 2.5 ??????????????

16
????????(Portfolio)
  • ?????????????????????????,???????????????,???????
    ?????????????????
  • ?????????????
  • (1)?????
  • (2)???????
  • ???????????????????,?????????????????,????????????
    ????

17
2.1 ?????
  • ? ??? ??????,?????P???????

18
2.2 ?????
  • ????????????????????????????????,?????????????????
    ?

19
2.3 ?????
  • ???????(??????)???????????????(??????)???????

20
?????????(n2)
21
2.4 ??????????
  • ???????????????????,????????,?????????????????????
    ???????(??????????????????,???????????????????)
  • ?????,??????????????,???????,???????????????????1
    ?????,????????????????

22
2.5 ??????????????
  • ??????

23
  • ???????????????
  • ?????????xA,xB,??

24
??? Markowitz??????
  • 3.1 ????
  • 3.2 ???????
  • 3.3 ????
  • 3.4 ???????????
  • 3.5 ??????

25
3.1???????????
  • ?????????????
  • ??????(????)???????????
  • (?)??????????,????????????????????????????
  • (?)????????????,???????????,??????????????????????
    ????????

26
???????????(?)
  • (?)?????????????????
  • (?)??????????????????????????,??????????,?????????
    ??,?????????????,??????
  • (?)???????????????,????????????????????,??????????
    ????

27
3.2 ??????????
  • ??????,????????????????????????,??????????????????
    ????????????,????????(feasible
    set)????(opportunity set)?
  • ???????????(1)?????????
    (2)?????-??????????
  • ?(2)?????,??????????????,????(???)??????

28
????????
  • ???????,????????????????????????????????,????????
    ??????????????????????

29
3.3 ???(efficient set)????? (efficient
frontier)
  • ?????????(dominance rules)
  • ?????????????????????????1????????????,?????????
    2??????????????????,????????(????)
  • ???????????????????????????
  • ??????????,??????????????.
  • ?????????????????????????????????????????????????
    ?,???????,???????

30
???????
31
???????
  • 1. ????????????????,??????????
  • 2. ?????????????
  • 3. ??????????????????
  • 4.???????????????,????????????????

32
3.4 ???????????(?)
  • 3.4.1 ??????????,???????????????????????
  • 3.4.2???? ???????
  • ???????,????4.66????????????????(certainty
    equivalent rate)

33
??????????
  • ???????,????????????????,?????????????????????????
    ???????
  • ??????????????????,??????????????
  • ?????????????,?????????????

34
????????(?)
  • 1. ???????????,??????????????????????????,????????
    ????,?????????,????,????????????????
  • 2. ????????????????????????,????????????,?????????
    ??????,????????,?????????????????
  • ?????????????????????????????????

35
????????(?)
  • 3. ??????????????????????,???????????????????4.
    ???????????????
  • 5. ????????,???????????,?????????
  • ???????????????????????,?????????????????????
  • ?????????????????,??????????,????????????

36
3.5 ??????(optimal portfolio)???
37
??????????
  • (1)?????????????????????,?????????,???????????????
    ???
  • (2)????????????,???????????
  • (3)????????????????????????,??????????
  • ????????????

38
???????????????????
  • 4.1 ?????
  • 4.2 ??????????????????
  • 4.3 ???????????????
  • 4.4 ??????????????
  • 4.5 ??????????????

39
??
  • ??Markowitz??????????????,??????????????????????
  • ?????????,???????????,????????????????,???????????
    ?????,????????????????
  • ??,????Markowitz?????????????????

40
4.1 ?????(risk-free-asset)
  • ???????????????,?????????????
  • ?????????,??????????????????????????,?????????????
    ????????????????????
  • ?????,????????????????????????????????????????????
    ?? ????
  • ??????,????????????????????????????,??????????????
    ???,??????LIBOR?

41
4.1 ?????(?)
  • ???,????????????????????????????????????????????
    ??????????????????????????,?????????,?????????,???
    ???????????
  • ????????????????(risk-free lending),??????????
    ?????(risk-free borrowing)?
  • ?????(risk-free rate)????????????????
  • ??????????????,??????????????

42
4.2??????????????????
  • ???P??????????????(?(n-1)???????)???,?
  • ??

43
4.3 ??????????????
  • ??????????,?????????,????????????????????,???????M
    arkowitz???????,???????????

44
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45
????????????
46
(No Transcript)
47
(No Transcript)
48
??????????????????????
49
??????????
50
4.4 ???????????????? ??????,?????????????????
,????????????????????????????????????
?????????????????????????4.5 ?????????????????
51
???????????
  • 1. ??????????????????,????????????
  • 2. ??????????????????????????(?????)??????????????
    ??????????
  • 3. ??????????????
  • 4.???????????????????????

52
??
  • ??????
  • 1???P332??1?3?4
  • 2???A?B????????,??????0.5?????????4,??????????
  • ????
  • ??2?5?6?7?8

?? ????() ???()
A 15 20
B 7 8
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