🌐EnglishEnglishDeutschItalianoNederlandsРусскийالعربية中文EntityQ3978816· pop 6· linked from 372 articlesswing producersupplier of commodity controlling its global deposits and possessing large spare production capacityConnectionsprice of oilEntityBig OilEntityCategoriesCommodity marketsImperfect competitionMarket structureOligopolyPetroleum economics