In this way, a complex economic system was formed, in which the nationalwide economy with three pivotal cities, Kyoto, Osaka and Edo, and the regional economy of each domain interacted with each other especially in Osaka, where local specialties all parts of the country were concentrated to distribute to all over Japan.
そのため三都を中軸とする全国経済と各地の城下町を中心とする藩経済との複合的な経済システムが形成され、各地の特産物が主に大坂に集中し、そこから全国に拡散した。