{"id":"https://openalex.org/W7148481217","doi":"https://doi.org/10.48550/arxiv.2604.00129","title":"Approximating Gains-from-Trade in Matching Markets","display_name":"Approximating Gains-from-Trade in Matching Markets","publication_year":2026,"publication_date":"2026-03-31","ids":{"openalex":"https://openalex.org/W7148481217","doi":"https://doi.org/10.48550/arxiv.2604.00129"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.00129","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.00129","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.00129","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090426330","display_name":"Moshe Babaioff","orcid":"https://orcid.org/0000-0002-7066-2005"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Babaioff, Moshe","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035432679","display_name":"Aviad Rubinstein","orcid":"https://orcid.org/0000-0002-6900-8612"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rubinstein, Aviad","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039990899","display_name":"Xizhi Tan","orcid":"https://orcid.org/0000-0002-3928-523X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tan, Xizhi","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5126171144","display_name":"Kangning Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Kangning","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5090426330"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10991","display_name":"Game Theory and Voting Systems","score":0.6391000151634216,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10991","display_name":"Game Theory and Voting Systems","score":0.6391000151634216,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"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/T11182","display_name":"Auction Theory and Applications","score":0.3472000062465668,"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/T11031","display_name":"Game Theory and Applications","score":0.00430000014603138,"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/matching","display_name":"Matching (statistics)","score":0.5922999978065491},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4909999966621399},{"id":"https://openalex.org/keywords/mechanism-design","display_name":"Mechanism design","score":0.4729999899864197},{"id":"https://openalex.org/keywords/strategic-dominance","display_name":"Strategic dominance","score":0.3970000147819519},{"id":"https://openalex.org/keywords/bilateral-trade","display_name":"Bilateral trade","score":0.2924000024795532},{"id":"https://openalex.org/keywords/mechanism","display_name":"Mechanism (biology)","score":0.2867000102996826}],"concepts":[{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.5922999978065491},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4909999966621399},{"id":"https://openalex.org/C153517567","wikidata":"https://www.wikidata.org/wiki/Q26090","display_name":"Mechanism design","level":2,"score":0.4729999899864197},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4494999945163727},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4318000078201294},{"id":"https://openalex.org/C123650614","wikidata":"https://www.wikidata.org/wiki/Q282491","display_name":"Strategic dominance","level":2,"score":0.3970000147819519},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35740000009536743},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.33469998836517334},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.33399999141693115},{"id":"https://openalex.org/C2780967403","wikidata":"https://www.wikidata.org/wiki/Q256330","display_name":"Bilateral trade","level":3,"score":0.2924000024795532},{"id":"https://openalex.org/C89611455","wikidata":"https://www.wikidata.org/wiki/Q6804646","display_name":"Mechanism (biology)","level":2,"score":0.2867000102996826},{"id":"https://openalex.org/C27254500","wikidata":"https://www.wikidata.org/wiki/Q789788","display_name":"Gains from trade","level":3,"score":0.2800000011920929},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.2752000093460083},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.26840001344680786},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.2628999948501587},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C109354906","wikidata":"https://www.wikidata.org/wiki/Q6015174","display_name":"Incomplete markets","level":2,"score":0.25609999895095825}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.00129","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.00129","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.00129","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.00129","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[{"display_name":"Partnerships for the goals","score":0.5429291129112244,"id":"https://metadata.un.org/sdg/17"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"A":[0],"central":[1],"challenge":[2],"in":[3,18,57],"mechanism":[4,96],"design":[5],"is":[6,29],"to":[7,46,102],"develop":[8],"truthful":[9,95],"trade":[10,53,62],"mechanisms":[11],"that":[12,97],"maximize":[13],"the":[14,26,34,47,68,82,103],"expected":[15,105],"gains-from-trade":[16],"(GFT)":[17],"two-sided":[19,74],"markets":[20,76],"with":[21,63,77],"strategic":[22],"agents.":[23],"As":[24],"achieving":[25],"full":[27],"GFT":[28],"generally":[30],"impossible,":[31],"much":[32],"of":[33,51,73,84],"literature":[35],"has":[36],"focused":[37],"on":[38,81],"constant-factor":[39,100],"approximations.":[40],"Existing":[41],"results,":[42],"however,":[43],"are":[44],"limited":[45],"highly":[48],"structured":[49],"settings":[50],"bilateral":[52],"and":[54,119],"double":[55],"auctions,":[56],"which":[58],"every":[59,64],"buyer":[60],"can":[61],"seller.":[65],"We":[66],"consider":[67],"significantly":[69],"more":[70],"general":[71],"setting":[72],"matching":[75],"arbitrary":[78],"downward-closed":[79],"constraints":[80],"family":[83],"allowed":[85],"matchings.":[86],"For":[87],"this":[88],"setting,":[89],"we":[90],"present":[91],"a":[92,99],"simple":[93],"randomized":[94],"guarantees":[98],"approximation":[101],"optimal":[104],"GFT.":[106],"This":[107],"result":[108],"also":[109],"resolves":[110],"an":[111],"open":[112],"problem":[113],"posed":[114],"by":[115],"Cai,":[116],"Goldner,":[117],"Ma,":[118],"Zhao":[120],"(2021).":[121]},"counts_by_year":[],"updated_date":"2026-04-03T16:44:17.987007","created_date":"2026-04-03T00:00:00"}