Iyini i-oligopoly?
Context:I-Oligopoly (kusuka esiGrekini <unk>λίγος, oligos "abambalwa" futhi πωλεῖν, polein "ukuthengisa") isakhiwo semakethe lapho imakethe noma imboni ilawulwa yinani elincane labathengisi abakhulu noma abakhiqizi. Ngokuvamile ama-oligopolies avela esifisweni sokukhulisa inzuzo, okungaholela ekubambisaneni phakathi kwezinkampani. Lokhu kunciphisa ukuncintisana, kwenyuse amanani abathengi, futhi kwehlise amaholo abasebenzi.  Izimboni eziningi ziye zabizwa ngokuthi i-oligopolistic, kufaka phakathi ezokuthutha izindiza, abahlinzeki kagesi, umkhakha wezokuxhumana, izimakethe zezimpahla zesitimela, ukucubungula ukudla, izinsizakalo zomngcwabo, ukuhlanza ushukela, ukwenza ubhiya, ukwenza i-pulp nephepha, kanye nokukhiqizwa kwezimoto.  Amazwe amaningi anemithetho evimbela ukuziphatha okuphikisana nokuncintisana. Umthetho wokuncintisana we-EU uvimbela imikhuba elwa nokuncintisana njengokulungiswa kwamanani nokuthengiselana emakethe nokuthengiselana phakathi kwabancintisana nabo. E-US, uMnyango Wezobulungisa wase-United States i-Antitrust Division kanye ne-Federal Trade Commission banomsebenzi wokuvimbela ukuhlangana. Nokho, izinkampani zingakwazi ukubalekela imiphumela engokomthetho ngokusebenzisa ukuhlangana okucashile, njengoba ukuhlangana kungaboniswa kuphela ngokuxhumana kwangempela nokuqondile phakathi kwezinkampani.  Kungenzeka ukuba ama-oligopoli athuthuke ngaphandle kokuvumelana futhi lapho kunomncintiswano onzima phakathi kwababambiqhaza emakethe. Lesi yisimo esifana nokuncintisana okuphelele, lapho ama-oligopolist enesakhiwo sawo semakethe. Kulesisimo, inkampani ngayinye e-oligopoly inengxenye enkulu embonini futhi idlala indima ebalulekile, eyingqayizivele. Ngezomnotho zangemva kwenkathi yesimiso sokusebenzela uhulumeni, ama-oligopolies angase abonakale ngokukhethekile. Ngokwesibonelo, e-Armenia, lapho osomabhizinisi abacebile bejabulela ukubusa okuncane, u-19% womnotho wonke ugodliwe (idatha ye-BEEPS 2009), okwenza kube izwe eligodliwe kakhulu esifundeni.
I-Oligopoly isakhiwo semakethe esikuwo wonke umkhakha wokuncintisana osukela ekuphathweni kobushiqela kuya ekuncintisaneni okuphelele. I-Oligopoly isakhiwo semakethe esinabathengisi noma abakhiqizi abambalwa. I-Oligopoly ifana ne-monopoly ngaphandle kokuthi kunabathengisi abaningi esikhundleni somkhiqizi oyedwa kuphela olawulayo.