It's a waste to just have the central banks watching over commodity prices.

Among the critics are those who think that the objective set for the European Central Bank is not appropriate.

When it is seen to have risen too far, the central banks of major countries cooperate to intervene.

In a fight against speculators who are dumping the U.S. currency, central banks of major countries have carried out massive concerted interventions in the market.

Central Bank is a bank that deals mainly with other banks and the government and assumes broad responsibilities in the interests of the national economy apart from the earning of profits.