Although we have managed to maintain overall financial stability, as I have just described, we have also learned some lessons. First, a combination of various factors could lead to unexpected trouble. In disaster areas, key social infrastructures such as electricity, gas, communications, and transportation services simultaneously stopped functioning.
Although the offices of financial institutions were equipped with in-house power generators to cope with blackouts, the sustainability of such backup measures was threatened as disruptions to transportation made it difficult to procure fuel. Disruptions to transportation and associated fuel shortages also made the delivery of cash difficult. Second, various rumors spread after the earthquake.