{"id":"https://openalex.org/W2019112632","doi":"https://doi.org/10.1111/j.1540-6261.1970.tb00871.x","title":"ESSENTIALS OF PORTFOLIO DIVERSIFICATION STRATEGY","display_name":"ESSENTIALS OF PORTFOLIO DIVERSIFICATION STRATEGY","publication_year":1970,"publication_date":"1970-12-01","ids":{"openalex":"https://openalex.org/W2019112632","doi":"https://doi.org/10.1111/j.1540-6261.1970.tb00871.x","mag":"2019112632"},"language":"en","primary_location":{"id":"doi:10.1111/j.1540-6261.1970.tb00871.x","doi":"https://doi.org/10.1111/j.1540-6261.1970.tb00871.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1540-6261.1970.tb00871.x","pdf_url":null,"source":{"id":"https://openalex.org/S5353659","display_name":"The Journal of Finance","issn_l":"0022-1082","issn":["0022-1082","1540-6261"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a-star","anvur-class-a","anvur-scientific","cwts-core","erih-plus","fnege-1-star","ft50","jufo-3","norway-2","poland-200","russia-white-list-1","utd24","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Finance","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111586271","display_name":"James C. T. Mao","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"James C. T. Mao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5111586271"],"corresponding_institution_ids":[],"apc_list":{"value":4430,"currency":"USD","value_usd":4430},"apc_paid":null,"fwci":0.9572,"has_fulltext":false,"cited_by_count":68,"citation_normalized_percentile":{"value":0.74823529,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"25","issue":"5","first_page":"1109","last_page":"1109"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11413","display_name":"Risk and Portfolio Optimization","score":0.6855000257492065,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11413","display_name":"Risk and Portfolio Optimization","score":0.6855000257492065,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10047","display_name":"Financial Markets and Investment Strategies","score":0.2287999987602234,"subfield":{"id":"https://openalex.org/subfields/2003","display_name":"Finance"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12123","display_name":"Financial Analysis and Corporate Governance","score":0.023499999195337296,"subfield":{"id":"https://openalex.org/subfields/1402","display_name":"Accounting"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/portfolio-diversification","display_name":"portfolio diversification","score":1.0},{"id":"https://openalex.org/keywords/business-diversification","display_name":"business diversification","score":0.9409999847412109},{"id":"https://openalex.org/keywords/investment-portfolio","display_name":"investment portfolio","score":0.5820000171661377},{"id":"https://openalex.org/keywords/risk-reduction","display_name":"risk mitigation","score":0.7329999804496765}],"concepts":[{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.5760217308998108},{"id":"https://openalex.org/C2780821815","wikidata":"https://www.wikidata.org/wiki/Q5340806","display_name":"Portfolio","level":2,"score":0.5547133684158325},{"id":"https://openalex.org/C2780048723","wikidata":"https://www.wikidata.org/wiki/Q4962736","display_name":"Brewster","level":2,"score":0.5521001815795898},{"id":"https://openalex.org/C180916674","wikidata":"https://www.wikidata.org/wiki/Q3711935","display_name":"Diversification (marketing strategy)","level":2,"score":0.5243740081787109},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.519457995891571},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.32545149326324463},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.27444690465927124},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.11477813124656677},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.11163419485092163},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1111/j.1540-6261.1970.tb00871.x","doi":"https://doi.org/10.1111/j.1540-6261.1970.tb00871.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1540-6261.1970.tb00871.x","pdf_url":null,"source":{"id":"https://openalex.org/S5353659","display_name":"The Journal of Finance","issn_l":"0022-1082","issn":["0022-1082","1540-6261"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a-star","anvur-class-a","anvur-scientific","cwts-core","erih-plus","fnege-1-star","ft50","jufo-3","norway-2","poland-200","russia-white-list-1","utd24","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Finance","raw_type":"journal-article"},{"id":"doi:10.2307/2325582","doi":"https://doi.org/10.2307/2325582","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2325582","pdf_url":null,"source":{"id":"https://openalex.org/S5353659","display_name":"The Journal of Finance","issn_l":"0022-1082","issn":["0022-1082","1540-6261"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-a-star","anvur-class-a","anvur-scientific","cwts-core","erih-plus","fnege-1-star","ft50","jufo-3","norway-2","poland-200","russia-white-list-1","utd24","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Finance","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:bla:jfinan:v:25:y:1970:i:5:p:1109-21","doi":null,"is_oa":false,"landing_page_url":"http://links.jstor.org/sici?sici=0022-1082%28197012%2925%3A5%3C1109%3AEOPDS%3E2.0.CO%3B2-X&origin=repec","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"display_name":"Partnerships for the goals","score":0.5600000023841858,"id":"https://metadata.un.org/sdg/17"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2084124368","https://openalex.org/W1972465146","https://openalex.org/W2035269472","https://openalex.org/W2034150314","https://openalex.org/W2074036321","https://openalex.org/W2313727555","https://openalex.org/W2088748013","https://openalex.org/W2147385450","https://openalex.org/W2148041182","https://openalex.org/W4237851043"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":4}],"updated_date":"2026-10-25T09:29:13.331239","created_date":"2016-06-24T00:00:00"}