{"id":"https://openalex.org/W4411945984","doi":"https://doi.org/10.1145/3736252.3742498","title":"Competition Complexity in Multi-item Auctions: Beyond VCG and Regularity","display_name":"Competition Complexity in Multi-item Auctions: Beyond VCG and Regularity","publication_year":2025,"publication_date":"2025-07-02","ids":{"openalex":"https://openalex.org/W4411945984","doi":"https://doi.org/10.1145/3736252.3742498"},"language":"en","primary_location":{"id":"doi:10.1145/3736252.3742498","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3736252.3742498","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742498","source":null,"license":null,"license_id":null,"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":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742498","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013622170","display_name":"Hedyeh Beyhaghi","orcid":"https://orcid.org/0000-0002-5785-9946"},"institutions":[{"id":"https://openalex.org/I177605424","display_name":"Amherst College","ror":"https://ror.org/028vqfs63","country_code":"US","type":"education","lineage":["https://openalex.org/I177605424"]},{"id":"https://openalex.org/I24603500","display_name":"University of Massachusetts Amherst","ror":"https://ror.org/0072zz521","country_code":"US","type":"education","lineage":["https://openalex.org/I24603500"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hedyeh Beyhaghi","raw_affiliation_strings":["Manning College of Information and Computer Sciences, University of Massachusetts Amherst, Amherst, MA, USA"],"raw_orcid":"https://orcid.org/0000-0002-5785-9946","affiliations":[{"raw_affiliation_string":"Manning College of Information and Computer Sciences, University of Massachusetts Amherst, Amherst, MA, USA","institution_ids":["https://openalex.org/I177605424","https://openalex.org/I24603500"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074118210","display_name":"Linda Cai","orcid":"https://orcid.org/0009-0008-6512-6671"},"institutions":[{"id":"https://openalex.org/I95457486","display_name":"University of California, Berkeley","ror":"https://ror.org/01an7q238","country_code":"US","type":"education","lineage":["https://openalex.org/I95457486"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Linda Cai","raw_affiliation_strings":["Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, Berkeley, CA, USA"],"raw_orcid":"https://orcid.org/0009-0008-6512-6671","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, Berkeley, CA, USA","institution_ids":["https://openalex.org/I95457486"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041757714","display_name":"Yiding Feng","orcid":"https://orcid.org/0000-0002-8258-6994"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yiding Feng","raw_affiliation_strings":["Department of Industrial Engineering and Decision Analytics, Hong Kong University of Science and Technology, Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-8258-6994","affiliations":[{"raw_affiliation_string":"Department of Industrial Engineering and Decision Analytics, Hong Kong University of Science and Technology, Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101448152","display_name":"Yingkai Li","orcid":"https://orcid.org/0000-0002-8607-1453"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yingkai Li","raw_affiliation_strings":["Department of Economics, National University of Singapore, Singapore, Singapore"],"raw_orcid":"https://orcid.org/0000-0002-8607-1453","affiliations":[{"raw_affiliation_string":"Department of Economics, National University of Singapore, Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075388037","display_name":"S. Matthew Weinberg","orcid":"https://orcid.org/0000-0001-7744-795X"},"institutions":[{"id":"https://openalex.org/I20089843","display_name":"Princeton University","ror":"https://ror.org/00hx57361","country_code":"US","type":"education","lineage":["https://openalex.org/I20089843"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Matthew Weinberg","raw_affiliation_strings":["Department of Computer Science, Princeton University, Princeton, NJ, USA"],"raw_orcid":"https://orcid.org/0000-0001-7744-795X","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Princeton University, Princeton, NJ, USA","institution_ids":["https://openalex.org/I20089843"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17589509,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"89","last_page":"89"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11182","display_name":"Auction Theory and Applications","score":0.9991999864578247,"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":0.9991999864578247,"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":0.991100013256073,"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/T11043","display_name":"Merger and Competition Analysis","score":0.9843000173568726,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/common-value-auction","display_name":"Common value auction","score":0.7900408506393433},{"id":"https://openalex.org/keywords/competition","display_name":"Competition (biology)","score":0.7228890061378479},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5449329018592834},{"id":"https://openalex.org/keywords/combinatorial-auction","display_name":"Combinatorial auction","score":0.43721869587898254},{"id":"https://openalex.org/keywords/microeconomics","display_name":"Microeconomics","score":0.38661646842956543},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3771631121635437},{"id":"https://openalex.org/keywords/mathematical-economics","display_name":"Mathematical economics","score":0.36821112036705017},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.3241438865661621},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32367855310440063},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.3091394305229187},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24583956599235535}],"concepts":[{"id":"https://openalex.org/C163239763","wikidata":"https://www.wikidata.org/wiki/Q5153637","display_name":"Common value auction","level":2,"score":0.7900408506393433},{"id":"https://openalex.org/C91306197","wikidata":"https://www.wikidata.org/wiki/Q45767","display_name":"Competition (biology)","level":2,"score":0.7228890061378479},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5449329018592834},{"id":"https://openalex.org/C59919655","wikidata":"https://www.wikidata.org/wiki/Q5150821","display_name":"Combinatorial auction","level":3,"score":0.43721869587898254},{"id":"https://openalex.org/C175444787","wikidata":"https://www.wikidata.org/wiki/Q39072","display_name":"Microeconomics","level":1,"score":0.38661646842956543},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3771631121635437},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.36821112036705017},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.3241438865661621},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32367855310440063},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.3091394305229187},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24583956599235535},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3736252.3742498","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3736252.3742498","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742498","source":null,"license":null,"license_id":null,"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:repository.hkust.edu.hk:1783.1-149576","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-149576","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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":"Conference paper"}],"best_oa_location":{"id":"doi:10.1145/3736252.3742498","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3736252.3742498","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3736252.3742498","source":null,"license":null,"license_id":null,"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":[],"awards":[{"id":"https://openalex.org/G6671297155","display_name":null,"funder_award_id":"CAREER","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G847310787","display_name":"CAREER: Towards a Predictive Theory of Algorithmic Mechanism Design","funder_award_id":"1942497","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320320698","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4411945984.pdf","grobid_xml":"https://content.openalex.org/works/W4411945984.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2164943659","https://openalex.org/W2170545834","https://openalex.org/W2015161696","https://openalex.org/W1594147293","https://openalex.org/W2184491186","https://openalex.org/W3122260521","https://openalex.org/W2600242401","https://openalex.org/W2765249998","https://openalex.org/W4297795036","https://openalex.org/W2478847702"],"abstract_inverted_index":{"We":[0,42],"quantify":[1],"the":[2,5,15,20,29,33,37,52,65,75,80,94,98,102,136,144,164],"value":[3,95,145],"of":[4,11,17,32,39,69,96,138,153],"monopoly's":[6],"bargaining":[7],"power":[8],"in":[9,24,57,72,79,106,131],"terms":[10],"competition":[12,53,128,155],"complexity\u2014that":[13],"is,":[14],"number":[16,137],"additional":[18,89],"bidders":[19,63],"monopoly":[21],"must":[22],"attract":[23],"simple":[25,46,115],"auctions":[26,47,116],"to":[27,74,100],"match":[28],"expected":[30],"revenue":[31],"optimal":[34,103,169],"mechanisms":[35],"\u2014within":[36],"setting":[38],"multi-item":[40],"auctions.":[41],"show":[43],"that":[44,48,117],"for":[45,112],"sell":[49,118],"items":[50,111,119,139],"separately,":[51],"complexity":[54,129,156],"is":[55,140],"\u0398(n/\u03b1)":[56],"an":[58],"environment":[59,134],"with":[60,109],"n":[61],"original":[62],"under":[64],"slightly":[66],"stronger":[67],"assumption":[68,78],"\u03b1-strong":[70],"regularity,":[71],"contrast":[73],"standard":[76],"regularity":[77],"literature,":[81],"which":[82],"requires":[83],"\u03a9":[84],"(n":[85],"\u00b7":[86],"ln":[87],"m/n)":[88],"bidders.":[90],"This":[91],"significantly":[92],"reduces":[93],"learning":[97],"distribution":[99,146],"design":[101],"mechanisms,":[104],"especially":[105],"large":[107],"markets":[108],"many":[110],"sale.":[113],"For":[114],"as":[120],"a":[121,126,132,148],"grand":[122],"bundle,":[123],"we":[124,161],"establish":[125],"constant":[127],"bound":[130],"single-bidder":[133],"when":[135,143,160],"small":[141],"or":[142],"has":[147],"monotone":[149],"hazard":[150],"rate.":[151],"Some":[152],"our":[154],"results":[157],"also":[158],"hold":[159],"compete":[162],"against":[163],"first":[165],"best":[166],"benchmark":[167],"(i.e.,":[168],"social":[170],"welfare).":[171]},"counts_by_year":[],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2025-10-10T00:00:00"}
