Chii chinonzi oligopoly?
Context:Oligopoly (kubva muchiGiriki <unk>λίγος, oligos "vashoma" uye πωλεῖν, polein "kutengesa") chimiro chemusika umo musika kana indasitiri inodzorwa nenhamba diki yevatengesi vakuru kana vagadziri. Kazhinji kazhinji makambani ane masimba mashomanene anokonzerwa nechishuvo chokuwedzera purofiti, izvo zvinogona kutungamirira kukubvumirana pakati pemakambani. Ikoku kunoderedza makwikwi, kunowedzera mitengo nokuda kwavatengi, uye kunoderedza mibairo yavashandi.  Maindasitiri mazhinji akataurwa kuti ane masimba mashomanana, kusanganisira zvekufambisa nendege dzevanhu, zvinopa magetsi, zvekufambiswa kwemashoko, zvekutakura zvinhu nechitima, kugadzira zvokudya, mabasa emariro, kugadzira shuga, kugadzira doro, kugadzira pulp nemapepa, uye kugadzira motokari.  Nyika zhinjisa dzine mitemo inodzivisa mufambiro unopesana nemakwikwi. Mutemo wemakwikwi weEU unorambidza tsika dzinopesana nemakwikwi dzakadai sekugadziriswa kwemitengo uye kushandiswa kwemusika wekupa uye kutengeserana pakati pevakwikwidzi. MuUnited States, Dhipatimendi reUnited States reRuramisiro Antitrust Division neFederal Trade Commission vane basa rokumisa kubvumirana. Zvisinei, makambani anogona kunzvenga migumisiro yepamutemo kupfurikidza nokuvhengana kusina kunanga, sezvo kuvhengana kunogona bedzi kuratidzirwa kupfurikidza nekurukurirano chaiyoiyo uye yakananga pakati pemakambani.  Zvinobvira kuti oligopolies akure pasina kuwirirana uye pamberi makwikwi anotyisa pakati vatori pamusika. Uyu ndiwo mugariro wakafanana nemakwikwi akakwana, umo oligopolists ane marongerwo avo vamene omusika. Mumamiriro ezvinhu akadaro, kambani imwe neimwe iri muboka revashandi vane masheya makuru muindasitiri yacho uye inoita basa rinokosha, rakasiyana nemamwe. Nezvemari dzapashure pezvemagariro evanhu, oligopolies inogona kunyanya kutaurwa. Somuenzaniso muArmenia, umo vezvemabhizimisi vane masimba mashomanana, 19% yehupfumi hwose inochengetwa (BEEPS 2009 database), ichiita kuti ive nyika ine masimba akawanda munharaunda yacho.
Oligopoly chimiro chemusika chiri pamwero wemakwikwi anotangira pamunhu mumwe chete kusvika kumakwikwi akakwana. Oligopoly chimiro chemusika chine vatengesi vashomanene kana kuti vagadziri. Oligopoly yakafanana nemonopoly kunze kwokuti kune vatengesi vakawanda panzvimbo pomugadziri mumwe chete anodzora.