eprintid: 44280 rev_number: 4 eprint_status: archive userid: 1482 importid: 105 dir: disk0/00/04/42/80 datestamp: 2022-01-31 10:09:26 lastmod: 2022-01-31 10:09:26 status_changed: 2022-01-31 10:09:26 type: monograph metadata_visibility: no_search creators_name: Biais, Bruno creators_name: Heider, Florian creators_name: Hoerova, Marie creators_idrefppn: 031366147 creators_idrefppn: 234070609 creators_halaffid: 1002422;441569 title: Variation margins, fire-sales and information-constrained optimality ispublished: pub subjects: subjects_ECO abstract: In order to share risk, protection buyers trade derivatives with protection sellers. Protection sellers’ actions affect the riskiness of their assets, which can create counter-party risk. Because these actions are unobservable, moral hazard limits risk sharing. To mitigate this problem, privately optimal derivative contracts involve variation mar-gins. When margins are called, protection sellers must liquidate some assets, depressing asset prices. This tightens the incentive constraints of other protection sellers and re-duces their ability to provide insurance. Despite this fire-sale externality, equilibrium is information-constrained efficient. Investors, who benefit from buying assets at fire-sale prices, optimally supply insurance against the risk of fire sales. date: 2022-01 date_type: published publisher: TSE Working Paper official_url: http://tse-fr.eu/pub/126554 faculty: tse divisions: tse keywords: variation margins keywords: fire sales keywords: pecuniary externality keywords: moral hazard, con-strained efficiency keywords: regulation language: en has_fulltext: TRUE subjectsJEL: JEL_D62 subjectsJEL: JEL_D82 subjectsJEL: JEL_G13 subjectsJEL: JEL_G18 view_date_year: 2022 full_text_status: public monograph_type: working_paper series: TSE Working Paper volume: 22-1296 place_of_pub: Toulouse pages: 59 institution: Université Toulouse 1 Capitole department: Toulouse School of Economics book_title: TSE Working Paper oai_identifier: oai:tse-fr.eu:126554 harvester_local_overwrite: department harvester_local_overwrite: pending harvester_local_overwrite: subjectsJEL harvester_local_overwrite: creators_idrefppn harvester_local_overwrite: creators_halaffid harvester_local_overwrite: institution harvester_local_overwrite: place_of_pub harvester_local_overwrite: pages oai_lastmod: 2022-01-27T09:20:37Z oai_set: tse site: ut1 citation: Biais, Bruno , Heider, Florian and Hoerova, Marie (2022) Variation margins, fire-sales and information-constrained optimality. TSE Working Paper, n. 22-1296, Toulouse document_url: https://publications.ut-capitole.fr/id/eprint/44280/1/wp_tse_1296.pdf