12  the network of its Head Office and branches, and the insights it obtains remain crucial. Thus, in terms of making policy decisions, what is important is not only to look at official statistics, interviews with firms, and historical analysis to grasp the medium- to long-term trend in data but also to make effective use of high-frequency data as complements to these.
Second, it is essential for the governments and central banks to cooperate with each other in terms of fiscal and monetary policies, while fulfilling their respective roles, in order to address such economic crises as the current one. Basically, central banks can provide liquidity through lending but cannot spend money.