2021-2022年收藏的精品资料英国研究生教学机构投资的绩效.docx

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1、36PERFORMANCE OF INSTITUTIONAL INVESTMENTSONE ISSUE FACING RETAIL INVESTORS WHO ARE LOOKING TO BUY AN INSTITUTIONAL INVESTMENT IS WHETHER TO INVEST IN AN ACTIVELY MANAGED FUND OR IN AN INDEX-TRACKER FUND. IF MARKETS WERE EFFICIENT ACTIVELY MANAGED FUNDS CANNOT BE EXPECTED TO CONSISTENTLY OUTPERFORM

2、THE MARKET AND SO IT IS POINTLESS TO PAY THEIR MANAGEMENT FEES. IF MARKETS WERE EFFICIENT, INDIVIDUAL INVESTORS SHOULD INVEST IN LOW-COST INDEX-TRACKER FUNDS. HOWEVER THE EVIDENCE FROM BEHAVIOURAL FINANCE AND STUDIES OF MARKET ANOMALIES THROW DOUBT ON THE EFFICIENT MARKET HYPOTHESIS. IF MARKETS ARE

3、NOT INFORMATIONALLY EFFICIENT, SHOULD INVESTORS CHOOSE TO INVEST IN ACTIVELY MANAGED FUNDS ON THE GROUNDS THAT IT IS POSSIBLE TO OUTPERFORM THE MARKET?MALKIEL (2003A) ARGUED THAT EVEN IF MARKET EFFICIENCY IS NOT ACCEPTED, RETAIL INVESTORS SHOULD STILL CHOOSE INDEX-TRACKER FUNDS. ONE POINT IS THAT IN

4、VESTMENT OUT-PERFORMANCE AND UNDERPERFORMANCE IS A ZERO-SUM GAME. IF SOME INVESTMENT MANAGERS OUT-PERFORM THE MARKET, OTHERS MUST UNDER-PERFORM THE MARKET. OBVIOUSLY, IN AGGREGATE, THE MARKET PERFORMS IN LINE WITH THE MARKET. INDEX-TRACKER FUNDS PERFORM IN LINE WITH THE MARKET. THE AGGREGATE MARKET

5、MINUS INDEX-TRACKER FUNDS MUST THEREFORE PERFORM IN LINE WITH THE MARKET. ACTIVELY MANAGED FUNDS ARE THE AGGREGATE MARKET MINUS INDEX-TRACKERS. SO ACTIVELY MANAGED PORTFOLIOS, IN AGGREGATE, MUST PERFORM IN LINE WITH THE MARKET. IF SOME ACTIVELY MANAGED PORTFOLIOS OUTPERFORM OTHERS MUST UNDER-PERFORM

6、. THIS SUGGESTS THAT, ON AVERAGE, ACTIVELY MANAGED FUNDS PERFORM IN LINE WITH THE MARKET BEFORE THEIR COSTS ARE CONSIDERED. WHEN COSTS ARE TAKEN INTO ACCOUNT ACTIVELY MANAGED FUNDS, ON AVERAGE, COULD BE EXPECTED TO UNDER-PERFORM THE MARKET. THE CONCLUSION SEEMS TO BE THAT INDIVIDUAL INVESTORS SHOULD

7、 INVEST IN INDEX-TRACKER FUNDS RATHER THAN WASTE MONEY ON MANAGEMENT FEES WHILST TAKING THE RISK THAT THEIR PARTICULAR MANAGERS ARE RELATIVELY POOR PERFORMERS. SOME FUNDS DO OUTPERFORM THE STOCK MARKET. IS SUCH OUT-PERFORMANCE DUE PURELY TO CHANCE, SINCE CHANCE WOULD GENERATE OUT-PERFORMERS AS WELL

8、AS UNDER-PERFORMERS, OR IS INVESTMENT MANAGEMENT SKILL INVOLVED? IF SKILL WERE INVOLVED, IT WOULD BE EXPECTED THAT THERE IS PERSISTENCE IN RELATIVE PERFORMANCE; IN PARTICULAR MORE FUNDS WOULD SHOW CONTINUED OUT-PERFORMANCE THAN WOULD BE EXPECTED ON THE BASIS OF CHANCE. IF RELATIVE PERFORMANCE OF ACT

9、IVELY MANAGED FUNDS ARISES FROM CHANCE RATHER THAN SKILL, THE IMPLICATION REMAINS THAT RETAIL INVESTORS SHOULD CHOOSE INDEX-TRACKER FUNDS. IF ANY PERSISTENCE IN OUT-PERFORMANCE WERE THE RESULT OF INVESTMENT MANAGEMENT SKILL, ONE MORE CONDITION SHOULD BE MET BEFORE INDIVIDUAL INVESTORS CHOOSE ACTIVEL

10、Y MANAGED FUNDS; THERE SHOULD BE MEANS OF ASCERTAINING WHICH INVESTMENT MANAGERS DEMONSTRATE THE SKILL THAT LEADS TO PERSISTENT OUT-PERFORMANCE. FURTHERMORE THE TECHNIQUES FOR ASCERTAINING WHICH MANAGERS HAVE SKILL SHOULD BE EASY TO USE, AND SHOULD GIVE PRECISE RESULTS (IT IS OF LITTLE USE TO AN IND

11、IVIDUAL INVESTOR IF THE TECHNIQUE MERELY CHANGES A 50:50 CHANCE OF CORRECTLY CHOOSING TO A 55:45 CHANCE OF CORRECTLY CHOOSING). THERE IS ALSO THE RISK THAT IF EVERYONE IDENTIFIES THE OUT-PERFORMERS, SO MUCH MONEY WOULD BE SWITCHED TO THE OUT-PERFORMERS THAT THEY ARE UNABLE TO CONTINUE THE OUT-PERFOR

12、MANCE. EMPIRICAL EVIDENCE ON PERFORMANCETHE EVIDENCE AIMS TO ANSWER THE QUESTIONS:1. DO FUNDS, ON AVERAGE, BEAT THE STOCK MARKET?2. DOES THE RELATIVE PERFORMANCE OF FUNDS PERSIST?3. IS PERSISTENCE PREDICTABLE?DO FUNDS, ON AVERAGE, BEAT THE STOCK MARKET?RETURNS ARE NOT THE ONLY DIMENSION OF PERFORMAN

13、CE. RISK MUST ALSO BE CONSIDERED. HIGH RETURNS WITH HIGH RISK ARE NOT NECESSARILY BETTER THAN LOW RETURNS WITH LOW RISK. ONE APPROACH IS TO COMPARE FUND RETURNS WITH A BENCHMARK RETURN, WHICH IS ADJUSTED FOR RISK.JENSENS ALPHATHIS DERIVES A BENCHMARK RATE OF RETURN USING THE SECURITIES MARKET LINE F

14、ROM THE CAPITAL ASSET PRICING MODEL. THE SECURITIES MARKET LINE PROVIDES A THEORETICAL RATE OF RETURN COMPRISING TWO COMPONENTS. THE FIRST COMPONENT IS A RISK-FREE RATE OF RETURN (E.G. THE INTEREST ON BANK DEPOSITS), THE SECOND COMPONENT IS A REWARD FOR ACCEPTING RISK. THE REWARD FOR ACCEPTING RISK

15、IS THE PRODUCT OF THE PORTFOLIO BETA (THE BETA OF THE PORTFOLIO BEING EVALUATED) AND THE MARKET EXCESS RETURN. THE MARKET EXCESS RETURN IS THE DIFFERENCE BETWEEN THE RETURN ON A STOCK INDEX PORTFOLIO, AND THE RETURN ON RISK-FREE ASSETS. RB = RF + bP( RM - RF ) RB IS THE EXPECTED RATE OF RETURN ON TH

16、E ASSESSED PORTFOLIO, RM IS THE RETURN ON THE STOCK INDEX PORTFOLIO, RF IS THE RISK-FREE RATE OF RETURN, AND bP IS THE BETA OF THE PORTFOLIO BEING ASSESSED. BY USING THE BETA OF THE PORTFOLIO UNDER ASSESSMENT, COMPARISON OF THE OBSERVED AND EXPECTED RETURNS PROVIDES A RISK-ADJUSTED EVALUATION. THE D

17、IFFERENTIAL RETURN IS EXPRESSED AS RP - RB. IF THIS IS POSITIVE THE REALISED RETURN ON THE FUND BEING EVALUATED EXCEEDS THE BENCHMARK RATE OF RETURN AND THE FUND IS VIEWED AS OUT-PERFORMING. CONVERSELY A NEGATIVE VALUE INDICATES UNDER-PERFORMANCE. RP - RB IS OFTEN REFERRED TO AS JENSENS ALPHA. STUDI

18、ES OF FUND PERFORMANCE HAVE USED MEANS OF RISK ADJUSTMENT, SUCH AS THE JENSEN MEASURE. THIS ENSURES THAT RISK, AS WELL AS RETURN, IS CONSIDERED.EVIDENCE FROM EMPIRICAL RESEARCHTHERE HAVE BEEN NUMEROUS STUDIES OF THE PERFORMANCE OF MUTUAL FUNDS. PERFORMANCE IS MEASURED IN TERMS OF TOTAL RETURN; THAT

19、IS DIVIDEND YIELD PLUS CAPITAL GAINS. GENERALLY THESE STUDIES HAVE FOUND THAT (1) ON AVERAGE FUNDS UNDER-PERFORM STOCK INDICES, (2) FUNDS WITH LOW CHARGES AND LOW PORTFOLIO TURNOVER TEND TO OUTPERFORM THOSE WITH HIGH CHARGES AND HIGH TURNOVERS.(3) PAST RELATIVE PERFORMANCE IS NOT A GOOD GUIDE TO FUT

20、URE RELATIVE PERFORMANCE (I.E. THERE IS LITTLE PERSISTENCE).STUDIES THAT HAVE FOUND THAT ACTIVELY-MANAGED FUNDS, ON AVERAGE, FAIL TO OUTPERFORM STOCK INDICES INCLUDE: FRIEND, BROWN, HERMAN AND VICKERS (1962) , SHARPE (1966) , JENSEN (1968), FIRTH (1978), MALKIEL (1988) ,IPPOLITO (1989) , ELTON, GRUB

21、ER, DAS AND HLAVKA (1993) , BLAKE, ELTON AND GRUBER (1993),MALKIEL (1995), DANIEL, GRINBLATT, TITMAN AND WERMERS (1997) , WERMERS (2000), SHUKLA (2004).SOME STUDIES INDICATE THAT FUND MANAGERS HAVE POOR INVESTMENT SKILLS. VOLKMAN (1999) INVESTIGATED THE STOCK SELECTION AND MARKET TIMING ABILITIES OF

22、 U.S. MUTUAL FUND MANAGERS. IT WAS FOUND THAT, ON AVERAGE, THERE WAS NO ABILITY TO IDENTIFY UNDER-PRICED SHARES. ATTEMPTS TO TIME THE MARKET WERE FOUND TO HAVE, ON AVERAGE, NEGATIVE EFFECTS ON PERFORMANCE. BLAKE AND TIMMERMANN (2005) EXAMINED THE PERFORMANCE OF UK-BASED INTERNATIONAL-EQUITY PENSION

23、FUNDS OVER THE PERIOD 1991-1997 BY DECOMPOSING PERFORMANCE INTO STOCK SELECTION AND MARKET-TIMING ELEMENTS. THEY FOUND THAT BOTH ELEMENTS USUALLY MADE NEGATIVE CONTRIBUTIONS TO PERFORMANCE. THE LOSSES FROM POOR STOCK SELECTION WERE SEEN AS POSSIBLY RESULTING FROM INFORMATION ASYMMETRIES BETWEEN U.K.

24、 AND OVERSEAS INVESTMENT MANAGERS WHEREBY INVESTORS HAVE AN INFORMATION ADVANTAGE WHEN INVESTING IN THEIR OWN COUNTRY. CORRESPONDINGLY THERE IS A RELATIVE DISADVANTAGE WHEN INVESTING IN A COUNTRY OTHER THAN ONES OWN. HERDING DASGUPTA, PRAT AND VERARDO (2006) INVESTIGATED THE PURCHASES AND SALES OF U

25、S INSTITUTIONAL INVESTORS DURING THE PERIOD 1983 TO 2004. THEY DISTINGUISHED STOCKS ACCORDING TO THE PERSISTENCE OF BUYING AND SELLING. IF THERE HAD BEEN NET BUYING FOR EACH OF THE MOST RECENT FIVE QUARTERS A VALUE OF 5 WAS ASSIGNED, NET BUYING IN EACH OF THE MOST RECENT FOUR QUARTERS GAVE A PERSIST

26、ENCE VALUE OF 4, NET SELLING IN EACH OF THE PREVIOUS THREE QUARTERS PRODUCED A VALUE OF 3, AND SO FORTH. IT WAS FOUND THAT THE MOST PERSISTENTLY SOLD STOCKS WERE SUBSEQUENTLY THE BEST PERFORMERS, AND THE MOST PERSISTENTLY BOUGHT STOCKS TURNED OUT TO BE THE WORST PERFORMERS. THE RESEARCHERS ALSO FOUN

27、D HERDING TO BE PRESENT AMONGST THE INSTITUTIONAL FUND MANAGERS. THESE FINDINGS ARE CONSISTENT WITH THE VIEW THAT HERD BUYING BY INSTITUTIONS CAUSES OVERPRICING, AND SUBSEQUENT POOR RETURNS. HERDING WITH RESPECT TO SALES PUSHES PRICES DOWN TO UNJUSTIFIABLY LOW LEVELS, AND THE UNDER-PRICING PROVIDES

28、SUBSEQUENT HIGH RETURNS AS FUNDAMENTAL VALUES ARE RESTORED.JIANG, YAO AND YU (2007) PUBLISHED A STUDY INDICATING THAT THERE COULD BE MARKET-TIMING ABILITY DEPENDING UPON HOW PERFORMANCE WAS MEASURED.CHARGES AND TURNOVERMANY STUDIES SUGGEST THAT FUNDS WITH HIGH EXPENSES TEND TO PROVIDE INVESTORS WITH

29、 LOW RETURNS (ELTON, GRUBER, DAS AND HLAVKA 1993, REICHENSTEIN 1999; INDRO, JIANG, HU AND LEE 1999; BOGLE 1998; CARHART 1997); BUT ONE STUDY POINTS THE OTHER WAY (SHUKLA 2004). EVIDENCE SHOWS THAT HIGH STOCK TURNOVER (HENCE HIGH BROKERAGE COSTS) CAUSES LOW NET RETURNS (ELTON, GRUBER, DAS AND HLAVKA

30、1993;CARHART 1997). BOGLE (2002) COMPARED THE PERFORMANCE OF HIGH-COST U.S. MUTUAL FUNDS (TOP QUARTILE, 1.8% P.A.) AGAINST THE PERFORMANCE OF LOW-COST MUTUAL FUNDS (BOTTOM QUARTILE, 0.6% P.A.) OVER 1991-2001.HE FOUND THAT THE LOW COST FUNDS OUTPERFORMED THE HIGH-COST FUNDS BY MORE THAN THE COST DIFF

31、ERENTIAL (BY 2.2% P.A.). THE LOW-COST FUNDS ALSO EXHIBITED LOWER RISK THAN THE HIGH COST FUNDS. THE STRONGLY PERFORMING LOW-COST FUNDS INCLUDED INDEX-TRACKER FUNDS.SURVIVORSHIP BIASTHE RELATIVE ADVANTAGE OF INDEX-TRACKER FUNDS WAS ENHANCED BY THE ABSENCE OFFRONT-END FEES AND BY THE FACT THAT MANY PO

32、ORLY PERFORMING ACTIVELY-MANAGED FUNDS HAD BEEN WITHDRAWN OR MERGED INTO OTHER FUNDS WITH THE EFFECT THAT SOME WEAK FUNDS WERE REMOVED FROM THE DATA WHEN AVERAGE PERFORMANCE WAS CALCULATED.MALKIEL (1995) AND ELTON, GRUBER AND BLAKE (1996) SUGGEST THAT MANY STUDIES HAVE OVERSTATED THE TRUE PERFORMANC

33、E OF ACTIVELY-MANAGED MUTUAL FUNDS BECAUSE OF SURVIVORSHIP BIAS. MOST DATA SETS USED HAVE INCLUDED RECORDS OF ALL SURVIVING MUTUAL FUNDS. MUTUAL FUNDS THAT WERE TAKEN OFF THE MARKET DUE TO POOR PERFORMANCE (OR WERE MERGED WITH OTHER FUNDS IN ORDER TO BURY THEIR POOR RECORDS) DO NOT APPEAR AMONG THE

34、SURVIVING FUNDS. THE REMOVAL OF WEAK FUNDS ARTIFICIALLY BOOSTS THE APPARENT AVERAGE SUCCESS OF FUNDS.CHARGES AS REWARDS FOR ANALYSISTHERE ARE THEORETICAL REASONS TO SUPPOSE THAT FUND MANAGEMENT SKILLS WOULD TEND TO PRODUCE ENOUGH OUT-PERFORMANCE, ON AVERAGE, TO COVER MANAGEMENT CHARGES LEAVING NO NE

35、T OUT-PERFORMANCE FOR RETAIL INVESTORS. GROSSMAN AND STIGLITZ (1980) AND CORNELL AND ROLL (1981) SUGGESTED THAT MARKET EQUILIBRIUM SHOULD PROVIDE SOME INCENTIVE FOR ANALYSIS. IF NO ANALYSTS WERE OPERATING, THE MARKET WOULD BE INEFFICIENT AND LARGE PROFITS WOULD BE AVAILABLE FOR THE FIRST ANALYSTS. A

36、S MORE ANALYSTS, ATTRACTED BY THE PROFITS, ENTER THE MARKET EFFICIENCY IMPROVES AND PROFITS FALL. THE NUMBER OF ANALYSTS EXPANDS TO THE POINT WHERE THE MARKET EFFICIENCY IS SUCH THAT RETURNS FROM ANALYSIS MERELY MATCH THE COSTS OF ANALYSIS. AT THAT POINT EQUILIBRIUM WOULD HAVE BEEN REACHED WHERE RET

37、URNS FROM ANALYSIS EQUAL THE COSTS OF ANALYSIS. THERE IS THEN NO FURTHER INCENTIVE FOR NEW ANALYSTS TO ENTER THE MARKET.DOES THE RELATIVE PERFORMANCE OF FUNDS PERSIST?ALTHOUGH ON AVERAGE MUTUAL FUNDS UNDERPERFORM STOCK INDICES, SOME FUNDS WILL PROVIDE BETTER RETURNS THAN INDICES. THE QUESTION ARISES

38、 AS TO WHETHER SOME FUNDS PERSISTENTLY PROVIDE SUPERIOR RETURNS. A FUND SHOWS PERSISTENCE OF PERFORMANCE IF ITS RELATIVE PERFORMANCE IS CONSISTENTLY GOOD, OR CONSISTENTLY BAD, FROM YEAR TO YEAR. THE MARKET CONSISTS (IN LARGE PART) OF INVESTMENT PROFESSIONALS TRYING TO OUTPERFORM THE MARKET. SINCE IN

39、 AGGREGATE PROFESSIONALS ARE (MOST OF) THE MARKET, THEIR ATTEMPTS TO OUTPERFORM THE MARKET AMOUNTS TO PROFESSIONALS ATTEMPTING TO OUTPERFORM EACH OTHER. THEY CANNOT ALL BE SUCCESSFUL. THE QUESTION ARISES AS TO WHETHER ANY OF THEM ARE PERSISTENTLY SUCCESSFUL, AND WHETHER ANY SUCCESS IS DUE TO SKILL R

40、ATHER THAN TO LUCK.IF THERE IS NO PERSISTENCE OF RELATIVE PERFORMANCE, PAST PERFORMANCE IS NOT A GUIDE TO FUTURE PERFORMANCE. KNOWING HOW WELL FUND MANAGERS HAVE PERFORMED IN THE PAST IS OF NO USE FOR INVESTMENT CHOICE.ALTHOUGH A FEW STUDIES HAVE SUGGESTED SOME PERSISTENCE IN RELATIVE PERFORMANCE IN

41、 THE SHORT-TERM (UP TO 3 YEARS) THERE IS PROBABLY A CONSENSUS THAT THERE IS NO LONG-TERM PERSISTENCE (HENDRICKS, PATEL AND ZECKHAUSER 1993; KAHN AND RUDD 1995; JAIN AND WU 2000). RHODES (2000) CARRIED OUT A SURVEY OF PREVIOUS STUDIES AND PROVIDED SOME ORIGINAL RESEARCH. THE CONCLUSIONS WERE THAT THE

42、RE WAS NO PERSISTENCY IN THE PERFORMANCE OF ACTIVELY-MANAGED FUNDS AFTER 1987, ALTHOUGH THERE WAS EVIDENCE OF REPEAT PERFORMANCE BEFORE THEN.HENDRICKS, PATEL AND ZECKHAUSER (1993) FOUND THE STRONGEST CONSISTENCY TO BE AMONG THE WEAKEST PERFORMERS. CARHART (1997) FOUND THAT THERE WAS SOME PERSISTENCE

43、 OF RELATIVE PERFORMANCE ACROSS FUND MANAGERS, BUT THAT IT WAS LARGELY DUE TO CHARGES AND COSTS RATHER THAN INVESTMENT RETURNS. THERE WAS CONSISTENT INFERIOR PERFORMANCE RESULTING FROM HIGH MANAGEMENT CHARGES AND HIGH TRADING COSTS (AS WOULD RESULT FROM HIGH PORTFOLIO TURNOVER). STUDIES OF UK PENSIO

44、N FUNDS HAVE BEEN CONDUCTED BY BROWN, DRAPER AND MCKENZIE (1997); BLAKE, LEHMANN AND TIMMERMANN (1999), AND BY GREGORY AND TONKS (2006). OVERALL THEIR FINDINGS WERE THAT THERE WAS SOME PERSISTENCE OF PERFORMANCE BUT THAT IT WAS SMALL AND SHORT-LIVED. IN THE US, STUDIES BY LAKONISHOK, SHLEIFER AND VI

45、SHNY (1992) AND MALKIEL (1995) ON MUTUAL FUNDS FOUND SOME EVIDENCE OF PERSISTENCE. HOWEVER THIS PERSISTENCE DID NOT APPLY TO ALL PERIODS AND IN SOME CASES WAS SUSCEPTIBLE TO ALTERNATIVE EXPLANATIONS. JAN AND HUNG (2004) ALSO FOUND EVIDENCE THAT INDICATED PERSISTENCE OF RELATIVE PERFORMANCE.WHEN LOOK

46、ING AT THE STRATEGY OF USING THE MOST CONSISTENT OUT-PERFORMERS FROM THE PAST IN ORDER TO CHOOSE FUNDS, MALKIEL FOUND THAT THE STRATEGY WAS NOT USEFUL FOR LONG-TERM INVESTING. QUALITY OF INFORMATIONEVEN IF FUND MANAGERS DO NOT DIFFER IN TERMS OF INVESTMENT SKILL SO THAT SKILL CANNOT PRODUCE CONSISTE

47、NT OUT-PERFORMANCE, IT MIGHT BE THOUGHT THAT DIFFERENCES IN QUANTITY AND QUALITY OF INFORMATION MIGHT DISTINGUISH FUND MANAGERS. TO THE EXTENT THAT FUND MANAGERS VISIT COMPANIES, AND INTERVIEW THE MANAGEMENT OF THOSE COMPANIES, THE RESULTING INFORMATION GATHERED MIGHT BE EXPECTED TO PROVIDE DIFFEREN

48、CES IN FUND MANAGEMENT PERFORMANCE. MONTIER (2007) SUGGESTED THAT THERE ARE BEHAVIOURAL FACTORS INDICATING THAT THE PROCESS OF INTERVIEWING COMPANY MANAGEMENTS WOULD NOT PROVIDE INFORMATION THAT SUPPORTS OUT-PERFORMANCE. ONE PROBLEM IS THAT COMPANY MANAGEMENTS WOULD BE SUBJECT TO THE SAME PSYCHOLOGICAL AND SOCIAL BIASES AS ANYONE ELSE. IF THEY LACK AN UNBIASED PERCEPTION OF THEIR