▁of ▁competition , ▁it ▁is ▁able ▁to ▁make ▁pr icing ▁and ▁production ▁dec isions ▁with ▁the ▁ass urance ▁that ▁no ▁competition ▁will ▁arise . ▁It ▁is ▁a ▁case ▁of ▁a ▁non - cont est able ▁market . ▁A ▁co er ci ve ▁mon opol y ▁has ▁very ▁few ▁in cent ives ▁to ▁keep ▁prices ▁low ▁and ▁may ▁deliber ately ▁price ▁g ou ge ▁consum ers ▁by ▁cur tail ing ▁production . ▁Also , ▁according ▁to ▁econom ist ▁Murray ▁Roth b ard , ▁" a ▁co er ci ve ▁mon opol ist ▁will ▁tend ▁to ▁perform ▁his ▁service ▁badly ▁and ▁in efficient ly ." ▁ ▁Whether ▁co er ci ve ▁mon opol ies ▁can ▁arise ▁in ▁free ▁market , ▁or ▁whether ▁they ▁require ▁government ▁inter vention ▁to ▁inst itute ▁them ▁is ▁a ▁point ▁of ▁some ▁disag re ement . ▁Adv oc ates ▁of ▁free ▁mark ets ▁argue ▁that ▁the ▁only ▁feas ible ▁way ▁that ▁a ▁business ▁could ▁close ▁entry ▁to ▁a ▁field ▁and ▁therefore ▁be ▁able ▁to ▁raise ▁prices ▁free ▁of ▁compet itive ▁forces , ▁i . e . ▁be ▁a ▁co er ci ve ▁mon opol y , ▁is ▁with ▁the ▁aid ▁of ▁government ▁in ▁restrict ing ▁competition . ▁It ▁is ▁argued ▁that ▁without ▁government ▁prevent ing ▁competition , ▁the ▁firm ▁must ▁keep ▁prices ▁low ▁because ▁if ▁they ▁sust ain ▁un reason ably ▁high ▁prices , ▁they ▁will ▁attract ▁others ▁to ▁enter ▁the ▁field ▁to ▁comp ete . ▁In ▁other ▁words , ▁if ▁the ▁mon opol y ▁is ▁not ▁protected ▁from ▁competition ▁by