Modern mainstream economics builds on neoclassical economics but with many refinements that either supplement or generalize earlier analysis, such as econometrics, game theory, analysis of market failure and imperfect competition, and the neoclassical model of economic growth for analysing long-run variables affecting national income.
Aqtisad wan amarad iday fal neoclassical economics mucham daɣ imuttiyan ajjotnen kammal nen meɣ asirtay nen amiyiz chund econometrics, game theory, amiyiz n egadal n hebu d iban n aqqud n tamadacht d neoclassical model n tiw-at n aqtisad i amiyiz n haratan wi idas nen riba n addawla