Core Viewpoint - The Japanese Minister of Economic Revitalization, Akizawa Ryozo, indicated that a significant rise in interest rates could increase the financing costs of Japan's debt, negatively impacting the economy through higher mortgage rates and corporate borrowing costs [1] Group 1 - A substantial increase in interest rates may lead to higher financing costs for Japan's debt [1] - Rising mortgage rates could adversely affect the Japanese economy [1] - Increased corporate borrowing costs may also have a negative impact on economic performance [1]