Efficient Portfolios, Sparse Matrices, and Entities: A Retrospective

In 1989 I was pleased and honored to be awarded the ORSA/TIMS (now INFORMS) John von Neumann Theory Prize for my work in portfolio theory, sparse matrices, and SIMSCRIPT. The following is a retrospective on my work in these fields.

Saved in:
Bibliographic Details
Published inOperations research Vol. 50; no. 1; pp. 154 - 160
Main Author Markowitz, Harry M
Format Journal Article
LanguageEnglish
Published Linthicum INFORMS 01.01.2002
Institute for Operations Research and the Management Sciences
Subjects
Algorithms
Analysis
Awards & honors
Computer programming
Economic research
Economics
Expected returns
Expected values
Finance
Financial portfolios
Fortran
Herbs
languages: SIMSCRIPT
Linear programming
linear: sparse matrices. Simulation
Modeling
Operations research
Personal profiles
Portfolio investments
Portfolio management
portfolio: origins of portfolio theory. Professional: comments on. Programming
Random variables
Reading
Security portfolios
Sparsity
Standard deviation
United States
United States > US
Online AccessGet full text

Cover

Abstract In 1989 I was pleased and honored to be awarded the ORSA/TIMS (now INFORMS) John von Neumann Theory Prize for my work in portfolio theory, sparse matrices, and SIMSCRIPT. The following is a retrospective on my work in these fields.
AbstractList In 1989 I was pleased and honored to be awarded the ORSA/TIMS (now INFORMS) John von Neumann Theory Prize for my work in portfolio theory, sparse matrices, and SIMSCRIPT. The following is a retrospective on my work in these fields.
In 1989, Harry M. Markowitz was awarded the ORSA/TIMS (now INFORMS) John von Neumann Theory Prize for his work in portfolio theory, sparse matrices, and SIMSCRIPT. A personal retrospective on his work in these fields is presented.
Audience Trade
Author Markowitz, Harry M
Author_xml – sequence: 1
  fullname: Markowitz, Harry M
BookMark eNqNkclOwzAQhi0EEmV5AjhEHDiR4iV2Em4VlEUCgVgkbpbrjIurNg62AfH2OARx4oB8sGbm-2fG_rfQeutaQGiP4DGhVXnsOg9jnoIx4cWYlGVZrKER4VTkvBBsHY0wZjhnonjeRFshLDDGNRd8hM6mxlhtoY3ZnfPRuKV14Sh76JQPkN2o6K2GlFBtk03baKOFcJJNsnuI3oUOdLTvsIM2jFoG2P25t9HT-fTx9DK_vr24Op1c55qVIuacmaZfBzQpRdUYmLGGkEbRYlYqwhkHzismqMFF2rYWHDNOzazW9YzTGhTbRgdD38671zcIUS7cm2_TSElJnTpQxhJ0NEBztQRpW-OiV3oOLXi1TN9mbEpPqqquOcM9nv-Bp9PAyuq_eDbwOr0_eDCy83al_KckWPZmyN4MyVMgkxny24yk2h9UixCd_5UwXFWFEKlMh3I_36_CP3seDqIXO3_5sH7Yvlf3dPjF2RflZaUV
CODEN OPREAI
CitedBy_id crossref_primary_10_1016_j_ijforecast_2023_07_004
crossref_primary_10_1017_S1053837214000017
crossref_primary_10_1057_palgrave_jos_4250021
crossref_primary_10_1016_j_ejor_2004_12_001
crossref_primary_10_36627_2221_7541_2022_1_1_30_43
crossref_primary_10_1111_poms_13872
crossref_primary_10_1007_BF02936328
Cites_doi 10.1147/sj.223.0188
10.1111/j.1540-6261.1984.tb03859.x
10.1007/978-1-4615-8675-3
10.1287/mnsc.9.2.277
10.1287/mnsc.3.3.255
10.2307/2330243
10.1287/opre.31.4.685
10.1145/319996.320003
10.1002/nav.3800030110
10.3905/jpm.1994.409480
10.1287/mnsc.30.10.1143
10.1515/9781400884179
10.1287/mnsc.11.7.681
10.2307/2329839
ContentType Journal Article
Copyright Copyright 2002 Institute for Operations Research and the Management Sciences
COPYRIGHT 2002 Institute for Operations Research and the Management Sciences
Copyright Institute for Operations Research and the Management Sciences Jan/Feb 2002
Copyright_xml – notice: Copyright 2002 Institute for Operations Research and the Management Sciences
– notice: COPYRIGHT 2002 Institute for Operations Research and the Management Sciences
– notice: Copyright Institute for Operations Research and the Management Sciences Jan/Feb 2002
DBID AAYXX
CITATION
0U~
1-H
3V.
7WY
7WZ
7X7
7XB
87Z
88E
88F
8AL
8AO
8FE
8FG
8FI
8FJ
8FK
8FL
8G5
ABJCF
ABUWG
AFKRA
ARAPS
AZQEC
BENPR
BEZIV
BGLVJ
CCPQU
DWQXO
FRNLG
FYUFA
F~G
GHDGH
GNUQQ
GUQSH
HCIFZ
JQ2
K60
K6~
K7-
K9.
L.-
L.0
L6V
M0C
M0N
M0S
M1P
M1Q
M2O
M7S
MBDVC
P5Z
P62
PQBIZ
PQBZA
PQEST
PQQKQ
PQUKI
PTHSS
Q9U
DOI 10.1287/opre.50.1.154.17774
DatabaseName CrossRef
Global News & ABI/Inform Professional
Trade PRO
ProQuest Central (Corporate)
ABI/INFORM Complete database
ABI/INFORM Global (PDF only)
Health & Medical Collection
ProQuest Central (purchase pre-March 2016)
ABI/INFORM Collection
Medical Database (Alumni Edition)
Military Database (Alumni Edition)
Computing Database (Alumni Edition)
ProQuest Pharma Collection
ProQuest SciTech Collection
ProQuest Technology Collection
Hospital Premium Collection
Hospital Premium Collection (Alumni Edition)
ProQuest Central (Alumni) (purchase pre-March 2016)
ABI/INFORM Collection (Alumni Edition)
Research Library (Alumni Edition)
Materials Science & Engineering Collection
ProQuest Central (Alumni)
ProQuest Central
Advanced Technologies & Aerospace Collection
ProQuest Central Essentials
ProQuest Central
ProQuest Business Premium Collection
Technology Collection
ProQuest One Community College
ProQuest Central Korea
Business Premium Collection (Alumni)
Health Research Premium Collection
ABI/INFORM Global (Corporate)
Health Research Premium Collection (Alumni)
ProQuest Central Student
Research Library Prep
SciTech Premium Collection
ProQuest Computer Science Collection
ProQuest Business Collection (Alumni Edition)
ProQuest Business Collection
Computer Science Database
ProQuest Health & Medical Complete (Alumni)
ABI/INFORM Professional Advanced
ABI/INFORM Professional Standard
ProQuest Engineering Collection
ABI/INFORM Global
Computing Database
Health & Medical Collection (Alumni Edition)
Medical Database
Military Database
Research Library
Engineering Database
Research Library (Corporate)
Advanced Technologies & Aerospace Database
ProQuest Advanced Technologies & Aerospace Collection
ProQuest One Business
ProQuest One Business (Alumni)
ProQuest One Academic Eastern Edition (DO NOT USE)
ProQuest One Academic
ProQuest One Academic UKI Edition
Engineering Collection
ProQuest Central Basic
DatabaseTitle CrossRef
ProQuest Business Collection (Alumni Edition)
Research Library Prep
Computer Science Database
ProQuest Central Student
ProQuest Advanced Technologies & Aerospace Collection
ProQuest Central Essentials
ProQuest Computer Science Collection
SciTech Premium Collection
Trade PRO
ProQuest Military Collection
ABI/INFORM Complete
Global News & ABI/Inform Professional
Health Research Premium Collection
ProQuest Medical Library (Alumni)
Engineering Collection
Advanced Technologies & Aerospace Collection
Business Premium Collection
ABI/INFORM Global
Engineering Database
ProQuest One Academic Eastern Edition
ProQuest Hospital Collection
ProQuest Technology Collection
Health Research Premium Collection (Alumni)
ProQuest Business Collection
ProQuest Hospital Collection (Alumni)
ProQuest Health & Medical Complete
ProQuest One Academic UKI Edition
ProQuest One Academic
ABI/INFORM Global (Corporate)
ProQuest One Business
Technology Collection
ProQuest Health & Medical Complete (Alumni)
ProQuest Central (Alumni Edition)
ProQuest One Community College
Research Library (Alumni Edition)
ProQuest Pharma Collection
ProQuest Central
ABI/INFORM Professional Advanced
ProQuest Engineering Collection
Health and Medicine Complete (Alumni Edition)
ABI/INFORM Professional Standard
ProQuest Central Korea
ProQuest Research Library
ABI/INFORM Complete (Alumni Edition)
ProQuest Computing
ABI/INFORM Global (Alumni Edition)
ProQuest Central Basic
ProQuest Computing (Alumni Edition)
ProQuest Military Collection (Alumni Edition)
ProQuest SciTech Collection
Advanced Technologies & Aerospace Database
ProQuest Medical Library
Materials Science & Engineering Collection
ProQuest One Business (Alumni)
ProQuest Central (Alumni)
Business Premium Collection (Alumni)
DatabaseTitleList
CrossRef

ProQuest Business Collection (Alumni Edition)
Database_xml – sequence: 1
  dbid: 8FG
  name: ProQuest Technology Collection
  url: https://search.proquest.com/technologycollection1
  sourceTypes: Aggregation Database
DeliveryMethod fulltext_linktorsrc
Discipline Engineering
Sciences (General)
Computer Science
Business
Economics
EISSN 1526-5463
EndPage 160
ExternalDocumentID 110624632
A88995303
10_1287_opre_50_1_154_17774
3088466
opre.50.1.154.17774
opres_50_1_154
Genre Research Article - 50th Anniversary Issue of Operations Research
Feature
GeographicLocations United States
United States--US
GeographicLocations_xml – name: United States
– name: United States--US
GroupedDBID 02
08R
123
1AW
1OL
29N
2AX
3V.
4.4
7WY
7X7
85S
88E
8AL
8AO
8FE
8FG
8FI
8FJ
8FL
8G5
8V8
92
AABCJ
ABBHK
ABDEX
ABEFU
ABJCF
ABPPZ
ABSIS
ABUWG
ABWPA
ACDCL
ACHQT
ACIWK
ACNCT
ACUWV
ACVYA
ADBBV
ADGDI
ADNFJ
AENEX
AEUPB
AFFNX
AFKRA
AJPNJ
AKVCP
ALMA_UNASSIGNED_HOLDINGS
AQNXB
AQSKT
ARAPS
AZQEC
B-7
BBAFP
BENPR
BEZIV
BGLVJ
BPHCQ
BVXVI
CBXGM
CCKSF
CS3
CWXUR
CYVLN
DWQXO
DZ
EBA
EBE
EBO
EBR
EBS
EBU
ECR
EHE
EJD
EMI
EMK
EPL
F20
F5P
FH7
FRNLG
FYUFA
G8K
GENNL
GNUQQ
GROUPED_ABI_INFORM_COMPLETE
GROUPED_ABI_INFORM_RESEARCH
GUPYA
GUQSH
HCIFZ
HGD
HVGLF
H~9
IAO
ICJ
IEA
IGG
IOF
ITC
JAV
JBC
JPL
JSODD
JST
K6
K60
K6V
K7-
L6V
LI
M0C
M0N
M1P
M1Q
M2O
M7S
MBDVC
MV1
N95
NIEAY
P2P
P62
PQEST
PQQKQ
PQUKI
PRG
PROAC
PSQYO
PTHSS
QVA
RNS
RPU
SA0
TAE
TH9
TN5
U5U
VQA
WH7
X
XFK
XHC
XI7
XJT
XXP
YHZ
YNT
YZZ
ZCG
ZY4
AETEA
Y99
-DZ
-~X
18M
AAAZS
AAWTO
AAXLS
AAYOK
ABDPE
ABKVW
ABLWH
ABTAH
ABXSQ
ABYYQ
ACGFO
ACSVP
ACXJH
ADACV
ADEPB
ADMHG
ADNWM
ADULT
AEGXH
AEMOZ
AFAIT
AFTQD
AHAJD
AIAGR
ALIPV
APTMU
BAAKF
CCPQU
HF~
HMCUK
IPSME
JAAYA
JBMMH
JBZCM
JENOY
JHFFW
JKQEH
JLEZI
JLXEF
JPPEU
K1G
K6~
PQBIZ
PQBZA
UKHRP
XOL
XSW
~02
~92
AAYXX
ADMHC
CITATION
YYP
0U~
1-H
7XB
8FK
JQ2
K9.
L.-
L.0
Q9U
ID FETCH-LOGICAL-c376t-53fd5463ec1768dfeb3d11da24b7a1535e558362f040309650352fb9c9b529ea3
IEDL.DBID 8FG
ISSN 0030-364X
IngestDate Tue Nov 19 04:51:38 EST 2024
Thu Nov 14 22:11:22 EST 2024
Wed Nov 13 00:21:48 EST 2024
Fri Dec 06 01:04:27 EST 2024
Tue Dec 10 22:49:54 EST 2024
Tue Jan 05 23:28:35 EST 2021
Fri Jan 15 03:35:16 EST 2021
IsPeerReviewed true
IsScholarly true
Issue 1
Language English
LinkModel DirectLink
MergedId FETCHMERGED-LOGICAL-c376t-53fd5463ec1768dfeb3d11da24b7a1535e558362f040309650352fb9c9b529ea3
PQID 219153233
PQPubID 37962
PageCount 7
ParticipantIDs gale_infotracgeneralonefile_A88995303
jstor_primary_3088466
informs_primary_10_1287_opre_50_1_154_17774
highwire_informs_opres_50_1_154
proquest_journals_219153233
gale_infotracacademiconefile_A88995303
crossref_primary_10_1287_opre_50_1_154_17774
ProviderPackageCode Y99
RPU
NIEAY
PublicationCentury 2000
PublicationDate 2002-01-01
PublicationDateYYYYMMDD 2002-01-01
PublicationDate_xml – month: 01
  year: 2002
  text: 2002-01-01
  day: 01
PublicationDecade 2000
PublicationPlace Linthicum
PublicationPlace_xml – name: Linthicum
PublicationTitle Operations research
PublicationYear 2002
Publisher INFORMS
Institute for Operations Research and the Management Sciences
Publisher_xml – sequence: 0
  name: Institute for Operations Research and the Management Sciences
– name: INFORMS
– name: Institute for Operations Research and the Management Sciences
References B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B10
B32
B11
B33
B12
B34
B13
B35
B14
B36
B15
B37
B16
B38
B17
B39
B18
B19
B1
B2
B3
B4
B5
B6
B7
B8
B9
B40
B41
Arrow K. J. (B1) 1991
Bellman R. E. (B2) 1957
Duff I. S. (B6) 1981
Von Neumann J. (B37) 1944
Wiesenberger A. (B38) 1941
Markowitz H. M. (B24) 1987
Markowitz H. M. (B18) 1952; 7
Markowitz H. M. (B26) 1963
Markowitz H. M. (B22) 1959
Manne A. S. (B17) 1963
Willoughby R. A. (B40) 1969
Williams J. B. (B39) 1938
Koopmans T. C. (B10) 1951
Markowitz H. M. (B19) 1954
Graham B. (B7) 1951
Hlawitschka Walter (B8) 1994; 84
Kuhn H. W. (B12) 1951
Markowitz H. M. (B27) 1984; 27
Markowitz H. M. (B23) 1979; 13
Dexter A. S. (B5) 1980
Markowitz H. M. (B25) 2000
Savage L. J. (B34) 1954
Kiviat P. J. (B9) 1969
Swain J. J. (B36) 2001; 28
Dantzig G. B. (B3) 1951
Levy H. (B15) 1979; 69
References_xml – ident: B12
– ident: B9
– ident: B35
– ident: B14
– ident: B10
– ident: B3
– ident: B20
– ident: B41
– ident: B1
– ident: B27
– ident: B7
– ident: B5
– ident: B29
– ident: B25
– ident: B23
– ident: B21
– ident: B18
– ident: B16
– ident: B31
– ident: B33
– ident: B37
– ident: B39
– ident: B8
– ident: B36
– ident: B11
– ident: B13
– ident: B2
– ident: B40
– ident: B26
– ident: B4
– ident: B28
– ident: B6
– ident: B24
– ident: B22
– ident: B17
– ident: B32
– ident: B15
– ident: B30
– ident: B34
– ident: B19
– ident: B38
– volume-title: The Foundations of Statistics
  year: 1954
  ident: B34
  contributor:
    fullname: Savage L. J.
– ident: B29
  doi: 10.1147/sj.223.0188
– volume: 28
  start-page: 52
  issue: 1
  year: 2001
  ident: B36
  publication-title: OR/MS Today
  contributor:
    fullname: Swain J. J.
– ident: B11
  doi: 10.1111/j.1540-6261.1984.tb03859.x
– ident: B33
  doi: 10.1007/978-1-4615-8675-3
– volume-title: Cowles Fiftieth Anniversary: Four Essays and an Index of Publications
  year: 1991
  ident: B1
  contributor:
    fullname: Arrow K. J.
– ident: B35
  doi: 10.1287/mnsc.9.2.277
– start-page: 507
  volume-title: Stochastic Programming
  year: 1980
  ident: B5
  contributor:
    fullname: Dexter A. S.
– volume-title: Proc. Sympos. Sparse Matrices Their Appl.
  year: 1969
  ident: B40
  contributor:
    fullname: Willoughby R. A.
– volume-title: Activity Analysis of Production and Allocation
  year: 1951
  ident: B10
  contributor:
    fullname: Koopmans T. C.
– ident: B21
  doi: 10.1287/mnsc.3.3.255
– volume-title: Investment Companies
  year: 1941
  ident: B38
  contributor:
    fullname: Wiesenberger A.
– ident: B31
  doi: 10.2307/2330243
– volume: 69
  start-page: 308
  issue: 3
  year: 1979
  ident: B15
  publication-title: Amer. Econ. Rev.
  contributor:
    fullname: Levy H.
– volume-title: Mean-Variance Analysis in Portfolio Choice and Capital Markets
  year: 2000
  ident: B25
  contributor:
    fullname: Markowitz H. M.
– ident: B32
  doi: 10.1287/opre.31.4.685
– volume-title: Sparse Matrices and Their Uses
  year: 1981
  ident: B6
  contributor:
    fullname: Duff I. S.
– start-page: 339
  volume-title: Activity Analysis of Production and Allocation
  year: 1951
  ident: B3
  contributor:
    fullname: Dantzig G. B.
– volume: 84
  start-page: 713
  issue: 3
  year: 1994
  ident: B8
  publication-title: Amer. Econom. Rev.
  contributor:
    fullname: Hlawitschka Walter
– volume-title: Studies in Process Analysis: Economywide Production Capabilities
  year: 1963
  ident: B17
  contributor:
    fullname: Manne A. S.
– volume-title: Security Analysis
  year: 1951
  ident: B7
  contributor:
    fullname: Graham B.
– start-page: 481
  volume-title: Proc. Second Berkeley Sympos. on Math. Statist. Probab.
  year: 1951
  ident: B12
  contributor:
    fullname: Kuhn H. W.
– volume-title: Mean-Variance Analysis in Portfolio Choice and Capital Markets
  year: 1987
  ident: B24
  contributor:
    fullname: Markowitz H. M.
– volume-title: The SIMSCRIPT II Programming Language
  year: 1969
  ident: B9
  contributor:
    fullname: Kiviat P. J.
– volume-title: Theory of Games and Economic behavior
  year: 1944
  ident: B37
  contributor:
    fullname: Von Neumann J.
– ident: B16
  doi: 10.1145/319996.320003
– volume-title: The Structural Interdependence of the Economy
  year: 1954
  ident: B19
  contributor:
    fullname: Markowitz H. M.
– ident: B20
  doi: 10.1002/nav.3800030110
– volume: 13
  volume-title: Encyclopedia of Computer Science and Technology
  year: 1979
  ident: B23
  contributor:
    fullname: Markowitz H. M.
– ident: B28
  doi: 10.3905/jpm.1994.409480
– ident: B30
  doi: 10.1287/mnsc.30.10.1143
– volume-title: Dynamic Programming
  year: 1957
  ident: B2
  contributor:
    fullname: Bellman R. E.
– ident: B4
  doi: 10.1515/9781400884179
– ident: B13
  doi: 10.1287/mnsc.11.7.681
– volume: 27
  start-page: 785
  issue: 8
  year: 1984
  ident: B27
  publication-title: Comm. Assoc. Comput. Mach.
  contributor:
    fullname: Markowitz H. M.
– ident: B41
  doi: 10.2307/2329839
– volume-title: The Theory of Investment Value
  year: 1938
  ident: B39
  contributor:
    fullname: Williams J. B.
– volume-title: Portfolio Selection: Efficient Diversification of Investments
  year: 1959
  ident: B22
  contributor:
    fullname: Markowitz H. M.
– volume: 7
  start-page: 77
  issue: 1
  year: 1952
  ident: B18
  publication-title: J. Finance
  contributor:
    fullname: Markowitz H. M.
– volume-title: SIMSCRIPT: A Simulation Programming Language
  year: 1963
  ident: B26
  contributor:
    fullname: Markowitz H. M.
SSID ssj0009565
Score 1.7506964
Snippet In 1989 I was pleased and honored to be awarded the ORSA/TIMS (now INFORMS) John von Neumann Theory Prize for my work in portfolio theory, sparse matrices, and...
In 1989, Harry M. Markowitz was awarded the ORSA/TIMS (now INFORMS) John von Neumann Theory Prize for his work in portfolio theory, sparse matrices, and...
SourceID proquest
gale
crossref
jstor
informs
highwire
SourceType Aggregation Database
Publisher
StartPage 154
SubjectTerms Algorithms
Analysis
Awards & honors
Computer programming
Economic research
Economics
Expected returns
Expected values
Finance
Financial portfolios
Fortran
Herbs
languages: SIMSCRIPT
Linear programming
linear: sparse matrices. Simulation
Modeling
Operations research
Personal profiles
Portfolio investments
Portfolio management
portfolio: origins of portfolio theory. Professional: comments on. Programming
Random variables
Reading
Security portfolios
Sparsity
Standard deviation
Title Efficient Portfolios, Sparse Matrices, and Entities: A Retrospective
URI http://or.journal.informs.org/cgi/content/abstract/50/1/154
https://www.jstor.org/stable/3088466
https://www.proquest.com/docview/219153233
Volume 50
hasFullText 1
inHoldings 1
isFullTextHit
isPrint
link http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwjV3fTxQxEJ4IJEYeEE4IC3L2QY1GFtjd_tjjhZx6JzGRGCPJvTXttktI8BZ31__faa-9QCTEx2276Wam_WamO_0G4HWdU8Gp1WnNmUlpabO0tCci1WhreYX-du7JdL5d8PNL-nXGZiE3pwtplRETPVCbpnJn5Me4s3Bz5kVxdvs7dUWj3M_VUEFjBdayXHCX0VdOv9zh3OWLAgYFQg2ns0A6hDHCsaswcsTwwZ-sZEIIes8wRXiOnMH-rpPzIruYt_gPdnuDNN2EjeBJkvFC9VvwxM4H8DQmsg_geSzYQML-HcD6HfbBAWyF9o68C-TT71_A54nnlEBTRJxnXjc31013SBB32s6SX57Q32KDmhsS-VhPyZi0tm-beG1zGy6nk5-fztNQaSGtEGD6lBW1cbz4tsow_DA1Rtgmy4zKqRYKxc4sYyWauhq3fOH4YhyLaq1H1UizfGRVsQOr82Zud4EYzrUwtDwplabu9YLVynLFNQZK1uYJHEYxy9sFoYZ0gQhqRTqtSIYPErUivVYSeOtUIZ30-1ZVKtwawMkccZUclxgwMrTDCby5N_BqIbgHxr2KSpVBpX7ebjlxAh9ix3994LZfD8uxBeI25TyB_bg-ZICFTi4X8d6jvfvwzBed8Sc9L2G1b__YA_R9ej2EFTETQ7_Oh7D2cXLx_cdf30UBIA
link.rule.ids 314,780,784,12056,12765,21388,27924,27925,31719,33373,33744,43310,43600,43805,73745,74035,74302
linkProvider ProQuest
linkToHtml http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwjV3fTxQxEJ4gJIoPCCeGFYQ-qNHACrv9sXu8kItynAo8QXJvTbvtEhO5xd31_2faay8QjfFx2266mWm_mel2vgF4W-esEMzqtBbcpKy0WVraoyLVaGtFhf527sl0Li7F5Jp9m_JpuJvThWuVERM9UJumcmfkh7izcHPmlJ7c_Upd0Sj3czVU0HgCK4yi5XaJ4uOzB5y7Yl7AgCLUCDYNpEMYIxy6CiOfOD74k5WsKAr2yDBFeI6cwT7XyXmRXby3-Ad2e4M0Xoe14EmS0Vz1G7BkZwN4Gi-yD-BFLNhAwv4dwPMH7IMD2AjtHfkQyKc_voQvp55TAk0RcZ553fz80XQHBHGn7Sy59YT-FhvUzJDIx3pMRqS1fdvEtM1NuB6fXn2epKHSQlohwPQpp7VxvPi2yjD8MDVG2CbLjMqZLhSKnVvOSzR1NW556vhiHItqrYfVUPN8aBV9BcuzZma3gBghdGFYeVQqzdzrlNfKCiU0BkrW5gkcRDHLuzmhhnSBCGpFOq1Ijg8StSK9VhJ471QhnfT7VlUqZA3gZI64So5KDBg52uEE3j0aeDMX3F_G7UWlyqBSP2-3mDiB_djxXx-46dfDYixF3GZCJLAd14cMsNDJxSJ-_c_ePXg2ubo4l-dfL79vw6ovQONPfXZguW9_2zfoB_V616_2e93yAYE
linkToPdf http://utb.summon.serialssolutions.com/2.0.0/link/0/eLvHCXMwjV3fb9MwED5BJ03wwFjZRLbB_AAIxEKbxHZSXlBhrcavakJM6ptlxzZCYs1Iwv_P2bWrTSDEY2xHjnzn7-6c83cAT2xOS06NSi1nOqWVydLKjMtUoa3lNfrbuSfT-bzgZxf0w5ItA6VQF9IqIyZ6oNZN7c7IR7izcHPmRTGyISvi_HT-5upn6gpIuR-toZrGbdhCozjOB7D1drY4_3KNgZevyxkUCDycLgMFEUYMI1dv5BXDB3_OkpVlSW-YqQjWkUHY33xyPmUXsxj_QHJvnub34V7wK8l0rQi7cMushrAd09qHsBPLN5Cwm4dw9xoX4RB2Q3tHngcq6hcP4HTmGSbQMBHnp9vmx_emOyGIQm1nyKWn9zfYIFeaRHbW12RKWtO3TbzEuQcX89nXd2dpqLuQ1gg3fcoKqx1LvqkzDEa0xXhbZ5mWOVWlRCEww1iFhs8iABSOPcZxqlo1qSeK5RMji30YrJqVeQhEc65KTatxJRV1rxfMSsMlVxg2GZMncBKXWVyt6TWEC0tQKsJJRTB8ECgV4aWSwDMnCuFWv29lLcMdApzM0ViJaYXhI0OrnMDTGwO_rRfuL-OOo1BFEKmft9tMnMDL2PFfH7jn9WEztkAUp5wncBj1QwSQ6MRGpQ_-2XsM26jq4tP7xcdDuOOr0fgjoCMY9O0v8widol49Dur-G5aKBx0
openUrl ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fsummon.serialssolutions.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Efficient+portfolios%2C+sparse+matrices%2C+and+entities%3A+a+retrospective&rft.jtitle=Operations+research&rft.au=Markowitz%2C+Harry+M&rft.date=2002-01-01&rft.pub=Institute+for+Operations+Research+and+the+Management+Sciences&rft.issn=0030-364X&rft.volume=50&rft.issue=1&rft.spage=154&rft_id=info:doi/10.1287%2Fopre.50.1.154.17774&rft.externalDocID=A88995303
thumbnail_l http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/lc.gif&issn=0030-364X&client=summon
thumbnail_m http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/mc.gif&issn=0030-364X&client=summon
thumbnail_s http://covers-cdn.summon.serialssolutions.com/index.aspx?isbn=/sc.gif&issn=0030-364X&client=summon