Economic benefits in Japan during the middle ages were monopolized by za (guilds), toimaru (specialized wholesale merchants) and kabunakama (trade associations) but Sengoku daimyo abolished these and, as well as attempting to establish absolute feudal rights, aimed to stimulate the economy by fostering emerging merchants and tradesmen via the reduction and exemption of taxes.
中世の経済的利益は座・問丸・株仲間によって独占され既得権化していたが、戦国大名はこれを排除して絶対的な領主権の確立を目指すとともに、税の減免を通して新興商工業者を育成し経済の活性化を図ったのである。