{"id":"https://openalex.org/W4411946068","doi":"https://doi.org/10.1145/3736252.3742487","title":"Equilibrium Computation in First-Price Auctions with Correlated Priors","display_name":"Equilibrium Computation in First-Price Auctions with Correlated Priors","publication_year":2025,"publication_date":"2025-07-02","ids":{"openalex":"https://openalex.org/W4411946068","doi":"https://doi.org/10.1145/3736252.3742487"},"language":"en","primary_location":{"id":"doi:10.1145/3736252.3742487","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3736252.3742487","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742487","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 26th ACM Conference on Economics and Computation","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742487","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065488177","display_name":"Aris Filos-Ratsikas","orcid":"https://orcid.org/0000-0001-7868-8114"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Aris Filos-Ratsikas","raw_affiliation_strings":["School of Informatics, University of Edinburgh, Edinburgh, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-7868-8114","affiliations":[{"raw_affiliation_string":"School of Informatics, University of Edinburgh, Edinburgh, United Kingdom","institution_ids":["https://openalex.org/I98677209"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004028141","display_name":"Yiannis Giannakopoulos","orcid":"https://orcid.org/0000-0003-2382-1779"},"institutions":[{"id":"https://openalex.org/I7882870","display_name":"University of Glasgow","ror":"https://ror.org/00vtgdb53","country_code":"GB","type":"education","lineage":["https://openalex.org/I7882870"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Yiannis Giannakopoulos","raw_affiliation_strings":["School of Computing Science, University of Glasgow, Glasgow, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0003-2382-1779","affiliations":[{"raw_affiliation_string":"School of Computing Science, University of Glasgow, Glasgow, United Kingdom","institution_ids":["https://openalex.org/I7882870"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065826113","display_name":"Alexandros Hollender","orcid":"https://orcid.org/0000-0001-5255-9349"},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]},{"id":"https://openalex.org/I4210146410","display_name":"Science Oxford","ror":"https://ror.org/04j8yhy50","country_code":"GB","type":"nonprofit","lineage":["https://openalex.org/I4210146410"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Alexandros Hollender","raw_affiliation_strings":["All Souls College, University of Oxford, Oxford, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-5255-9349","affiliations":[{"raw_affiliation_string":"All Souls College, University of Oxford, Oxford, United Kingdom","institution_ids":["https://openalex.org/I4210146410","https://openalex.org/I40120149"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5093967908","display_name":"Charalampos Kokkalis","orcid":"https://orcid.org/0000-0003-1822-1912"},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Charalampos Kokkalis","raw_affiliation_strings":["School of Informatics, University of Edinburgh, Edinburgh, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0003-1822-1912","affiliations":[{"raw_affiliation_string":"School of Informatics, University of Edinburgh, Edinburgh, United Kingdom","institution_ids":["https://openalex.org/I98677209"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5065488177"],"corresponding_institution_ids":["https://openalex.org/I98677209"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17864309,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"7","last_page":"33"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11182","display_name":"Auction Theory and Applications","score":1.0,"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/T11182","display_name":"Auction Theory and Applications","score":1.0,"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/T11161","display_name":"Consumer Market Behavior and Pricing","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/1406","display_name":"Marketing"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11031","display_name":"Game Theory and Applications","score":0.992900013923645,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/prior-probability","display_name":"Prior probability","score":0.7701483964920044},{"id":"https://openalex.org/keywords/common-value-auction","display_name":"Common value auction","score":0.762921929359436},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5955610275268555},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.5920118689537048},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.52264404296875},{"id":"https://openalex.org/keywords/mathematical-economics","display_name":"Mathematical economics","score":0.3206762671470642},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.30668824911117554},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2805677056312561},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2601882517337799},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.16381481289863586},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14081600308418274}],"concepts":[{"id":"https://openalex.org/C177769412","wikidata":"https://www.wikidata.org/wiki/Q278090","display_name":"Prior probability","level":3,"score":0.7701483964920044},{"id":"https://openalex.org/C163239763","wikidata":"https://www.wikidata.org/wiki/Q5153637","display_name":"Common value auction","level":2,"score":0.762921929359436},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5955610275268555},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.5920118689537048},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.52264404296875},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.3206762671470642},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.30668824911117554},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2805677056312561},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2601882517337799},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.16381481289863586},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14081600308418274}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3736252.3742487","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3736252.3742487","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742487","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 26th ACM Conference on Economics and Computation","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.gla.ac.uk:357479","is_oa":true,"landing_page_url":"https://eprints.gla.ac.uk/view/author/72345.html>","pdf_url":null,"source":{"id":"https://openalex.org/S4210235606","display_name":"ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam)","issn_l":"2622-8912","issn":["2622-8912","2622-8920"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"}],"best_oa_location":{"id":"doi:10.1145/3736252.3742487","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3736252.3742487","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742487","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 26th ACM Conference on Economics and Computation","raw_type":"proceedings-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/8","score":0.49000000953674316,"display_name":"Decent work and economic growth"}],"awards":[{"id":"https://openalex.org/G2093957277","display_name":"DTP 2224 University of Edinburgh","funder_award_id":"EP/W524384/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G946801488","display_name":"Algorithms and Complexity for Economic Environments (ACEE)","funder_award_id":"EP/Y003624/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4411946068.pdf","grobid_xml":"https://content.openalex.org/works/W4411946068.grobid-xml"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W1494498837","https://openalex.org/W1522968011","https://openalex.org/W1837183184","https://openalex.org/W1992299160","https://openalex.org/W1992808246","https://openalex.org/W1993197246","https://openalex.org/W1994431105","https://openalex.org/W1998681897","https://openalex.org/W2015007620","https://openalex.org/W2021734699","https://openalex.org/W2026189570","https://openalex.org/W2032395673","https://openalex.org/W2038017315","https://openalex.org/W2045665199","https://openalex.org/W2052711287","https://openalex.org/W2082387287","https://openalex.org/W2083153843","https://openalex.org/W2084312524","https://openalex.org/W2096109831","https://openalex.org/W2098290609","https://openalex.org/W2099740449","https://openalex.org/W2100611287","https://openalex.org/W2102794165","https://openalex.org/W2105173236","https://openalex.org/W2106622011","https://openalex.org/W2110933102","https://openalex.org/W2115400885","https://openalex.org/W2117486568","https://openalex.org/W2131696126","https://openalex.org/W2139774323","https://openalex.org/W2158997232","https://openalex.org/W2163116121","https://openalex.org/W2421033574","https://openalex.org/W2582194325","https://openalex.org/W2922533999","https://openalex.org/W2963356937","https://openalex.org/W3012804701","https://openalex.org/W3122803525","https://openalex.org/W3123160622","https://openalex.org/W3125709608","https://openalex.org/W3135479805","https://openalex.org/W3175318851","https://openalex.org/W3176071484","https://openalex.org/W4205831029","https://openalex.org/W4231160059","https://openalex.org/W4249667931","https://openalex.org/W4376651394","https://openalex.org/W4403215489","https://openalex.org/W4405464698"],"related_works":["https://openalex.org/W4386190339","https://openalex.org/W2968424575","https://openalex.org/W3142333283","https://openalex.org/W2580650124","https://openalex.org/W3122088529","https://openalex.org/W3041320102","https://openalex.org/W2111669074","https://openalex.org/W2085259108","https://openalex.org/W3123087812","https://openalex.org/W2071416974"],"abstract_inverted_index":{"We":[0,28,77],"consider":[1],"the":[2,13,17,32,35,41,52,57,60,71,106,111,115,119,151],"computational":[3],"complexity":[4],"of":[5,43,59,68,70,110,114,142,150],"computing":[6,131],"Bayes-Nash":[7,46],"equilibria":[8,132],"in":[9,56,118,133],"first-price":[10],"auctions,":[11],"where":[12],"bidders'":[14],"values":[15,33],"for":[16,83,130,144],"item":[18],"are":[19,38],"drawn":[20],"from":[21],"a":[22,44,139],"general":[23],"(possibly":[24],"correlated)":[25],"joint":[26],"distribution.":[27],"show":[29],"that":[30,62],"when":[31],"and":[34,90,99],"bidding":[36],"space":[37],"discrete,":[39],"determining":[40],"existence":[42],"pure":[45],"equilibrium":[47],"is":[48,51,96,100],"NP-hard.":[49],"This":[50],"first":[53],"hardness":[54],"result":[55],"literature":[58],"problem":[61,116],"does":[63],"not":[64],"rely":[65],"on":[66,102],"assumptions":[67],"subjectivity":[69],"priors,":[72],"or":[73,136,147],"convoluted":[74],"tie-breaking":[75],"rules.":[76],"then":[78],"present":[79],"two":[80],"main":[81],"approaches":[82],"achieving":[84],"positive":[85],"results,":[86],"via":[87,91],"bid":[88,92],"sparsification":[89],"densification.":[93],"The":[94],"former":[95],"more":[97],"combinatorial":[98],"based":[101],"enumeration":[103],"techniques,":[104],"whereas":[105],"latter":[107],"makes":[108],"use":[109],"continuous":[112],"theory":[113],"developed":[117],"economics":[120],"literature.":[121],"Using":[122],"these":[123],"approaches,":[124],"we":[125],"develop":[126],"polynomial-time":[127],"approximation":[128],"algorithms":[129],"symmetric":[134],"settings":[135,137],"with":[138],"fixed":[140],"number":[141],"bidders,":[143],"different":[145],"(discrete":[146],"continuous)":[148],"variants":[149],"auction.":[152]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}