EntityQ843238· pop 8· linked from 20 articlesdual-sector modelSign in to savemodel in developmental economicsConnectionsSingaporeCountryKarl MarxEntityInternational Standard Book NumberEntitycapitalEntityproductivityEntityArthur LewisEntitylabour economicsEntityLewis structureEntitydevelopment economicsEntitydiminishing returnsEntityperfect informationEntitymarginal productEntitysurplus labourEntityCategoriesEconomics models