{"id":"https://openalex.org/W7116710713","doi":"https://doi.org/10.1016/j.cam.2025.117261","title":"Portfolio selection based on the Herd Behavior Index","display_name":"Portfolio selection based on the Herd Behavior Index","publication_year":2025,"publication_date":"2025-12-22","ids":{"openalex":"https://openalex.org/W7116710713","doi":"https://doi.org/10.1016/j.cam.2025.117261"},"language":"en","primary_location":{"id":"doi:10.1016/j.cam.2025.117261","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.cam.2025.117261","pdf_url":null,"source":{"id":"https://openalex.org/S165473669","display_name":"Journal of Computational and Applied Mathematics","issn_l":"0377-0427","issn":["0377-0427","1879-1778"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computational and Applied Mathematics","raw_type":"journal-article"},"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/A5084420424","display_name":"Wing Fung Chong","orcid":"https://orcid.org/0000-0002-4052-6571"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":true,"raw_author_name":"Wing Fung Chong","raw_affiliation_strings":["Department of Statistics and Actuarial Science, School of Computing and Data Science, The University of Hong Kong, Hong Kong, China","The University of Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-4052-6571","affiliations":[{"raw_affiliation_string":"Department of Statistics and Actuarial Science, School of Computing and Data Science, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"The University of Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084420424","display_name":"Wing Fung Chong","orcid":"https://orcid.org/0000-0002-4052-6571"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Wing Fung Chong","raw_affiliation_strings":["Department of Statistics and Actuarial Science, School of Computing and Data Science, The University of Hong Kong, Hong Kong, China","The University of Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-4052-6571","affiliations":[{"raw_affiliation_string":"Department of Statistics and Actuarial Science, School of Computing and Data Science, The University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"The University of Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124695264","display_name":"Churui Li","orcid":null},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Churui Li","raw_affiliation_strings":["Department of Accountancy, Finance and Insurance, Faculty of Economics and Business, KU Leuven, Leuven, Belgium","KU Leuven"],"raw_orcid":"https://orcid.org/0009-0005-3975-6969","affiliations":[{"raw_affiliation_string":"Department of Accountancy, Finance and Insurance, Faculty of Economics and Business, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]},{"raw_affiliation_string":"KU Leuven","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124695264","display_name":"Churui Li","orcid":null},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Churui Li","raw_affiliation_strings":["Department of Accountancy, Finance and Insurance, Faculty of Economics and Business, KU Leuven, Leuven, Belgium","KU Leuven"],"raw_orcid":"https://orcid.org/0009-0005-3975-6969","affiliations":[{"raw_affiliation_string":"Department of Accountancy, Finance and Insurance, Faculty of Economics and Business, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]},{"raw_affiliation_string":"KU Leuven","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054834746","display_name":"Dani\u00ebl Linders","orcid":"https://orcid.org/0000-0003-4206-2149"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Dani\u00ebl Linders","raw_affiliation_strings":["Department of Mathematics, Faculty of Science, KU Leuven, Leuven, Belgium","KU Leuven"],"raw_orcid":"https://orcid.org/0000-0003-4206-2149","affiliations":[{"raw_affiliation_string":"Department of Mathematics, Faculty of Science, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]},{"raw_affiliation_string":"KU Leuven","institution_ids":["https://openalex.org/I99464096"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5084420424","https://openalex.org/A5124695264"],"corresponding_institution_ids":["https://openalex.org/I889458895","https://openalex.org/I99464096"],"apc_list":{"value":3040,"currency":"USD","value_usd":3040},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.66781626,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"481","issue":null,"first_page":"117261","last_page":"117261"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11413","display_name":"Risk and Portfolio Optimization","score":0.5680000185966492,"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":0.5680000185966492,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.156700000166893,"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":0.06159999966621399,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/portfolio","display_name":"Portfolio","score":0.8295999765396118},{"id":"https://openalex.org/keywords/diversification","display_name":"Diversification (marketing strategy)","score":0.6280999779701233},{"id":"https://openalex.org/keywords/portfolio-optimization","display_name":"Portfolio optimization","score":0.48240000009536743},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.4788999855518341},{"id":"https://openalex.org/keywords/stock","display_name":"Stock (firearms)","score":0.4611000120639801},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.4449999928474426},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.413100004196167},{"id":"https://openalex.org/keywords/post-modern-portfolio-theory","display_name":"Post-modern portfolio theory","score":0.4097999930381775}],"concepts":[{"id":"https://openalex.org/C2780821815","wikidata":"https://www.wikidata.org/wiki/Q5340806","display_name":"Portfolio","level":2,"score":0.8295999765396118},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6906999945640564},{"id":"https://openalex.org/C180916674","wikidata":"https://www.wikidata.org/wiki/Q3711935","display_name":"Diversification (marketing strategy)","level":2,"score":0.6280999779701233},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.5069000124931335},{"id":"https://openalex.org/C202655437","wikidata":"https://www.wikidata.org/wiki/Q7231728","display_name":"Portfolio optimization","level":3,"score":0.48240000009536743},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.4788999855518341},{"id":"https://openalex.org/C204036174","wikidata":"https://www.wikidata.org/wiki/Q909380","display_name":"Stock (firearms)","level":2,"score":0.4611000120639801},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.4449999928474426},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.413100004196167},{"id":"https://openalex.org/C67051015","wikidata":"https://www.wikidata.org/wiki/Q7233558","display_name":"Post-modern portfolio theory","level":5,"score":0.4097999930381775},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.4092000126838684},{"id":"https://openalex.org/C9725762","wikidata":"https://www.wikidata.org/wiki/Q1072885","display_name":"Modern portfolio theory","level":3,"score":0.390500009059906},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.38089999556541443},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.33160001039505005},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.32679998874664307},{"id":"https://openalex.org/C88389905","wikidata":"https://www.wikidata.org/wiki/Q223371","display_name":"Stock market index","level":4,"score":0.2671000063419342},{"id":"https://openalex.org/C194775826","wikidata":"https://www.wikidata.org/wiki/Q209542","display_name":"Herd","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C69257216","wikidata":"https://www.wikidata.org/wiki/Q7575204","display_name":"Spectral risk measure","level":4,"score":0.25870001316070557},{"id":"https://openalex.org/C111110010","wikidata":"https://www.wikidata.org/wiki/Q2627315","display_name":"Convex combination","level":4,"score":0.2563000023365021},{"id":"https://openalex.org/C2775997480","wikidata":"https://www.wikidata.org/wiki/Q586277","display_name":"Degree (music)","level":2,"score":0.25040000677108765}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/j.cam.2025.117261","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.cam.2025.117261","pdf_url":null,"source":{"id":"https://openalex.org/S165473669","display_name":"Journal of Computational and Applied Mathematics","issn_l":"0377-0427","issn":["0377-0427","1879-1778"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computational and Applied Mathematics","raw_type":"journal-article"},{"id":"pmh:oai:lirias2repo.kuleuven.be:20.500.12942/779451","is_oa":false,"landing_page_url":"https://lirias.kuleuven.be/handle/20.500.12942/779451","pdf_url":null,"source":{"id":"https://openalex.org/S4306401954","display_name":"Lirias (KU Leuven)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I99464096","host_organization_name":"KU Leuven","host_organization_lineage":["https://openalex.org/I99464096"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal Of Computational And Applied Mathematics, vol. 481, Art.No. 117261","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4225128238","display_name":null,"funder_award_id":"WOG W001021N","funder_id":"https://openalex.org/F4320321730","funder_display_name":"Fonds Wetenschappelijk Onderzoek"},{"id":"https://openalex.org/G7618042053","display_name":null,"funder_award_id":"C14/21/089","funder_id":"https://openalex.org/F4320322308","funder_display_name":"KU Leuven"}],"funders":[{"id":"https://openalex.org/F4320321730","display_name":"Fonds Wetenschappelijk Onderzoek","ror":"https://ror.org/03qtxy027"},{"id":"https://openalex.org/F4320322308","display_name":"KU Leuven","ror":"https://ror.org/05f950310"},{"id":"https://openalex.org/F4320322681","display_name":"Onderzoeksraad, KU Leuven","ror":"https://ror.org/05f950310"},{"id":"https://openalex.org/F4320335227","display_name":"Bijzonder Onderzoeksfonds UGent","ror":"https://ror.org/00cv9y106"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1831503339","https://openalex.org/W1967956032","https://openalex.org/W1993244617","https://openalex.org/W1998972808","https://openalex.org/W2000923338","https://openalex.org/W2029096466","https://openalex.org/W2038611554","https://openalex.org/W2057317983","https://openalex.org/W2089104804","https://openalex.org/W2104623846","https://openalex.org/W2127000676","https://openalex.org/W2142261996","https://openalex.org/W2157903047","https://openalex.org/W2539466824","https://openalex.org/W2584105009","https://openalex.org/W2963575397","https://openalex.org/W3121324299","https://openalex.org/W3121761197","https://openalex.org/W3122848669","https://openalex.org/W3122903907","https://openalex.org/W3124155533","https://openalex.org/W3124264160","https://openalex.org/W4406437627"],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-05-13T08:25:38.343686","created_date":"2025-12-22T00:00:00"}
