{"id":"https://openalex.org/W3122842909","doi":"https://doi.org/10.1093/joclec/nhu007","title":"MARKET DEFINITION IN TWO-SIDED MARKETS: THEORY AND PRACTICE","display_name":"MARKET DEFINITION IN TWO-SIDED MARKETS: THEORY AND PRACTICE","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W3122842909","doi":"https://doi.org/10.1093/joclec/nhu007","mag":"3122842909"},"language":"en","primary_location":{"id":"doi:10.1093/joclec/nhu007","doi":"https://doi.org/10.1093/joclec/nhu007","is_oa":false,"landing_page_url":"https://doi.org/10.1093/joclec/nhu007","pdf_url":null,"source":{"id":"https://openalex.org/S4210186350","display_name":"Journal of Competition Law & Economics","issn_l":"1744-6414","issn":["1744-6414","1744-6422"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-b","anvur-class-a","anvur-scientific","cwts-core","jufo-2","norway-2","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Competition Law and Economics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2139/ssrn.2240850","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5039099242","display_name":"Lapo Filistrucchi","orcid":"https://orcid.org/0000-0002-0109-5115","observed_orcids":["https://orcid.org/0000-0002-0109-5115"]},"institutions":[{"id":"https://openalex.org/I193700539","display_name":"Tilburg University","ror":"https://ror.org/04b8v1s79","country_code":"NL","type":"education","lineage":["https://openalex.org/I193700539"]},{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT","NL","US"],"is_corresponding":true,"raw_author_name":"L. Filistrucchi","raw_affiliation_strings":["Department of Economics and Management, University of Florence, Italy and CentER and TILEC,","Diprtimento di Scienze per l'Economia e l'Impresa, Universit\u00e0 di Firenze, Via delle Pandette 9, I -50127 Firenze, Italy,","TILEC, Tilburg University, The Netherlands and","Tilburg University, The Netherlands","University of Michigan Law School, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Economics and Management, University of Florence, Italy and CentER and TILEC,","institution_ids":["https://openalex.org/I45084792"]},{"raw_affiliation_string":"Diprtimento di Scienze per l'Economia e l'Impresa, Universit\u00e0 di Firenze, Via delle Pandette 9, I -50127 Firenze, Italy,","institution_ids":["https://openalex.org/I45084792"]},{"raw_affiliation_string":"TILEC, Tilburg University, The Netherlands and","institution_ids":["https://openalex.org/I193700539"]},{"raw_affiliation_string":"Tilburg University, The Netherlands","institution_ids":["https://openalex.org/I193700539"]},{"raw_affiliation_string":"University of Michigan Law School, U.S.A","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085201926","display_name":"Damien G\u00e9radin","orcid":"https://orcid.org/0000-0001-5378-8354","observed_orcids":["https://orcid.org/0000-0001-5378-8354"]},"institutions":[{"id":"https://openalex.org/I193700539","display_name":"Tilburg University","ror":"https://ror.org/04b8v1s79","country_code":"NL","type":"education","lineage":["https://openalex.org/I193700539"]},{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]},{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT","NL","US"],"is_corresponding":true,"raw_author_name":"D. Geradin","raw_affiliation_strings":["Department of Economics and Management, University of Florence, Italy and CentER and TILEC,","Diprtimento di Scienze per l'Economia e l'Impresa, Universit\u00e0 di Firenze, Via delle Pandette 9, I -50127 Firenze, Italy,","TILEC, Tilburg University, The Netherlands and","Tilburg University, The Netherlands","University of Michigan Law School, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Economics and Management, University of Florence, Italy and CentER and TILEC,","institution_ids":["https://openalex.org/I45084792"]},{"raw_affiliation_string":"Diprtimento di Scienze per l'Economia e l'Impresa, Universit\u00e0 di Firenze, Via delle Pandette 9, I -50127 Firenze, Italy,","institution_ids":["https://openalex.org/I45084792"]},{"raw_affiliation_string":"TILEC, Tilburg University, The Netherlands and","institution_ids":["https://openalex.org/I193700539"]},{"raw_affiliation_string":"Tilburg University, The Netherlands","institution_ids":["https://openalex.org/I193700539"]},{"raw_affiliation_string":"University of Michigan Law School, U.S.A","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005979958","display_name":"Eric E.C. van Damme","orcid":"https://orcid.org/0000-0001-7008-1051","observed_orcids":["https://orcid.org/0000-0001-7008-1051"]},"institutions":[{"id":"https://openalex.org/I193700539","display_name":"Tilburg University","ror":"https://ror.org/04b8v1s79","country_code":"NL","type":"education","lineage":["https://openalex.org/I193700539"]},{"id":"https://openalex.org/I45084792","display_name":"University of Florence","ror":"https://ror.org/04jr1s763","country_code":"IT","type":"education","lineage":["https://openalex.org/I45084792"]}],"countries":["IT","NL"],"is_corresponding":true,"raw_author_name":"E. van Damme","raw_affiliation_strings":["Department of Economics and Management , University of Florence , Italy and CentER and TILEC ,","Eric van Damme, CentER and TILEC, Tilburg University, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Economics and Management , University of Florence , Italy and CentER and TILEC ,","institution_ids":["https://openalex.org/I45084792"]},{"raw_affiliation_string":"Eric van Damme, CentER and TILEC, Tilburg University, The Netherlands","institution_ids":["https://openalex.org/I193700539"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021450458","display_name":"Pauline Affeldt","orcid":"https://orcid.org/0000-0002-0211-818X","observed_orcids":["https://orcid.org/0000-0002-0211-818X"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"P. Affeldt","raw_affiliation_strings":["Pauline Affeldt, E. CA Economics, Berlin, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Pauline Affeldt, E. CA Economics, Berlin, Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5005979958","https://openalex.org/A5021450458","https://openalex.org/A5039099242","https://openalex.org/A5085201926"],"corresponding_institution_ids":["https://openalex.org/I193700539","https://openalex.org/I27837315","https://openalex.org/I45084792"],"apc_list":{"value":3756,"currency":"EUR","value_usd":4245},"apc_paid":null,"fwci":32.0338,"has_fulltext":true,"cited_by_count":228,"citation_normalized_percentile":{"value":0.99519683,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":100},"biblio":{"volume":"10","issue":"2","first_page":"293","last_page":"339"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11437","display_name":"Digital Platforms and Economics","score":0.8984000086784363,"subfield":{"id":"https://openalex.org/subfields/1408","display_name":"Strategy and Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11437","display_name":"Digital Platforms and Economics","score":0.8984000086784363,"subfield":{"id":"https://openalex.org/subfields/1408","display_name":"Strategy and Management"},"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/T14362","display_name":"Diverse Legal and Medical Studies","score":0.05510000139474869,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11043","display_name":"Merger and Competition Analysis","score":0.04230000078678131,"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/market-definition","display_name":"market definition","score":0.8629999756813049},{"id":"https://openalex.org/keywords/two-sided-markets","display_name":"two-sided markets","score":0.9940000176429749},{"id":"https://openalex.org/keywords/competition-law","display_name":"competition law","score":0.5920000076293945},{"id":"https://openalex.org/keywords/online-intermediaries","display_name":"online intermediaries","score":0.734000027179718},{"id":"https://openalex.org/keywords/auction-houses","display_name":"auction houses","score":0.8539999723434448},{"id":"https://openalex.org/keywords/media-outlets","display_name":"media outlets","score":0.7260000109672546},{"id":"https://openalex.org/keywords/competition-authorities","display_name":"competition authorities","score":0.7319999933242798}],"concepts":[{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.47373807430267334},{"id":"https://openalex.org/C52119013","wikidata":"https://www.wikidata.org/wiki/Q50637","display_name":"Art history","level":1,"score":0.33614081144332886},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2666919529438019},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.24804455041885376}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1093/joclec/nhu007","doi":"https://doi.org/10.1093/joclec/nhu007","is_oa":false,"landing_page_url":"https://doi.org/10.1093/joclec/nhu007","pdf_url":null,"source":{"id":"https://openalex.org/S4210186350","display_name":"Journal of Competition Law & Economics","issn_l":"1744-6414","issn":["1744-6414","1744-6422"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-b","anvur-class-a","anvur-scientific","cwts-core","jufo-2","norway-2","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Competition Law and Economics","raw_type":"journal-article"},{"id":"doi:10.2139/ssrn.2240850","doi":"https://doi.org/10.2139/ssrn.2240850","is_oa":true,"landing_page_url":"https://doi.org/10.2139/ssrn.2240850","pdf_url":null,"source":{"id":"https://openalex.org/S4210172589","display_name":"SSRN Electronic Journal","issn_l":"1556-5068","issn":["1556-5068"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1318003438","host_organization_name":"RELX Group (Netherlands)","host_organization_lineage":["https://openalex.org/I1318003438"],"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":"posted-content"},{"id":"pmh:oai:tilburguniversity.edu:openaire_cris_publications/e8cb1cfa-49f6-41c7-abf6-9e3a758a7a49","doi":null,"is_oa":false,"landing_page_url":"https://research.tilburguniversity.edu/en/publications/e8cb1cfa-49f6-41c7-abf6-9e3a758a7a49","pdf_url":null,"source":{"id":"https://openalex.org/S4306401490","display_name":"Research portal (Tilburg University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I193700539","host_organization_name":"Tilburg University","host_organization_lineage":["https://openalex.org/I193700539"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Filistrucchi, L, Geradin, D A A G, van Damme, E E C & Affeldt, P 2014, 'Market definition in two-sided markets : Theory and practice', Journal of Competition Law and Economics, vol. 10, no. 2, pp. 293-339. https://doi.org/10.1093/joclec/nhu007","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:uvt:oai:tilburguniversity.edu:publications/e8cb1cfa-49f6-41c7-abf6-9e3a758a7a49","doi":null,"is_oa":false,"landing_page_url":"https://research.tilburguniversity.edu/en/publications/e8cb1cfa-49f6-41c7-abf6-9e3a758a7a49","pdf_url":null,"source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Competition Law and Economics, 10(2), 293 - 339. Oxford University Press","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:RePEc:oup:jcomle:v:10:y:2014:i:2:p:293-339.","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/10.1093/joclec/nhu007","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":{"id":"doi:10.2139/ssrn.2240850","doi":"https://doi.org/10.2139/ssrn.2240850","is_oa":true,"landing_page_url":"https://doi.org/10.2139/ssrn.2240850","pdf_url":null,"source":{"id":"https://openalex.org/S4210172589","display_name":"SSRN Electronic Journal","issn_l":"1556-5068","issn":["1556-5068"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1318003438","host_organization_name":"RELX Group (Netherlands)","host_organization_lineage":["https://openalex.org/I1318003438"],"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":"posted-content"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320934","display_name":"Koninklijke Nederlandse Akademie van Wetenschappen","ror":"https://ror.org/043c0p156"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":52,"referenced_works":["https://openalex.org/W35536852","https://openalex.org/W1516051863","https://openalex.org/W1540259151","https://openalex.org/W1545016753","https://openalex.org/W1563925384","https://openalex.org/W1568129962","https://openalex.org/W1569598680","https://openalex.org/W1608110259","https://openalex.org/W1690101155","https://openalex.org/W1703301308","https://openalex.org/W1913605893","https://openalex.org/W1955236409","https://openalex.org/W1969204847","https://openalex.org/W1972398989","https://openalex.org/W1979006156","https://openalex.org/W1994328818","https://openalex.org/W2009454528","https://openalex.org/W2025987251","https://openalex.org/W2030827538","https://openalex.org/W2036454494","https://openalex.org/W2038321004","https://openalex.org/W2052864322","https://openalex.org/W2068296309","https://openalex.org/W2081031629","https://openalex.org/W2129998937","https://openalex.org/W2137396237","https://openalex.org/W2144406306","https://openalex.org/W2148581629","https://openalex.org/W2153108457","https://openalex.org/W2167364123","https://openalex.org/W2167656842","https://openalex.org/W2352841130","https://openalex.org/W2632935317","https://openalex.org/W2766606561","https://openalex.org/W3034026179","https://openalex.org/W3087163383","https://openalex.org/W3091560046","https://openalex.org/W3107187464","https://openalex.org/W3122431389","https://openalex.org/W3122749945","https://openalex.org/W3123111954","https://openalex.org/W3123321132","https://openalex.org/W3123375975","https://openalex.org/W3123847798","https://openalex.org/W3124825648","https://openalex.org/W3124997036","https://openalex.org/W3125195850","https://openalex.org/W3125330999","https://openalex.org/W3188135082","https://openalex.org/W3193978652","https://openalex.org/W4210258193","https://openalex.org/W4240491954"],"related_works":["https://openalex.org/W3121239880","https://openalex.org/W7001889316","https://openalex.org/W3125985375","https://openalex.org/W3087163383","https://openalex.org/W2981666318","https://openalex.org/W4243028657","https://openalex.org/W4244405788","https://openalex.org/W2032499070","https://openalex.org/W2632935317","https://openalex.org/W3041194754"],"abstract_inverted_index":{"Drawing":[0],"from":[1,93],"the":[2,11,14,59,74,86,91,94,101,111,116,135,149],"economics":[3],"of":[4,13,62,97,119],"two-sided":[5,20,66,98,125,139],"markets,":[6,99],"we":[7],"provide":[8],"suggestions":[9,80],"for":[10],"definition":[12,64],"relevant":[15],"market":[16,63],"in":[17,65,70,122],"cases":[18,123],"involving":[19,124],"platforms,":[21],"such":[22],"as":[23],"media":[24],"outlets,":[25],"online":[26],"intermediaries,":[27],"payment":[28],"cards":[29],"companies":[30],"and":[31,44,81,109,115,141,144],"auction":[32],"houses.":[33],"We":[34,55],"also":[35],"discuss":[36],"when":[37,45],"a":[38,52],"one-sided":[39],"approach":[40],"may":[41],"be":[42,104],"harmless":[43],"instead":[46],"it":[47],"can":[48],"potentially":[49],"lead":[50],"to":[51,85,88,100,103,110,133],"wrong":[53],"decision.":[54],"then":[56],"show":[57],"that":[58,152],"current":[60],"practice":[61,82,108],"markets":[67,143],"is":[68,83,155,159],"only":[69],"part":[71],"consistent":[72,105],"with":[73,106],"above":[75],"suggestions.":[76],"Divergence":[77],"between":[78,138],"our":[79],"due":[84],"failure":[87],"fully":[89],"incorporate":[90],"lessons":[92],"economic":[95],"theory":[96],"desire":[102],"previous":[107],"higher":[112,117],"data":[113],"requirements":[114],"complexity":[118],"empirical":[120],"analysis":[121],"platforms.":[126],"In":[127],"particular,":[128],"competition":[129],"authorities":[130],"have":[131,145],"failed":[132],"recognize":[134],"crucial":[136],"difference":[137],"transaction":[140],"non-transaction":[142],"been":[146],"misled":[147],"by":[148],"traditional":[150],"argument":[151],"where":[153],"there":[154,158],"no":[156,160],"price,":[157],"market.":[161]},"counts_by_year":[{"year":2026,"cited_by_count":14},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":16},{"year":2023,"cited_by_count":38},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":15},{"year":2020,"cited_by_count":36},{"year":2019,"cited_by_count":24},{"year":2018,"cited_by_count":21},{"year":2017,"cited_by_count":14},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":9},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2021-02-01T00:00:00"}
