North Korea will for economic modernisation as well as external conditions provided by international society are required together. This has to be planned and propelled on the basis of the people consensus. As for companies, they have to develop a profit model in the inter-Korean economic cooperation, which only can guarantee the profits by sustaining mutual trust. It should be kept in mind that only a sustainable economic enterprise could bring benefits to both Koreas. In consequence, the people attitude towards inter-Korean economic cooperation should be drastically accommodated to the period of peace and reconciliation.
Some cost is inevitable to create peace and to establish joint prosperity in the Korean Peninsula.
The people should recognise that the economic cost of the division of the peninsula is much more expensive than that of unification.