从世界各国的国债发行市场来看，高效率和低成本是任何一个经济运行过程中所期望实现的目标。 高效，是指尽可能缩短国债发行的时间；低成本，是指要比行政方式发行的成本低。 政府作为市场经济中一个特殊的经济部（或者说是公共部门），主要是为各个经济主体提供宏观经济导向 From the perspective of the national debt issuance markets of various countries in the world, high efficiency and low cost are the goals that any one economy can expect to achieve during its operation. Efficient, refers to the shortening of the issuance of treasury bonds as much as possible; low-cost, means less than the administrative costs of issuing. As a special economic department (or public sector) in the market economy, the government mainly provides macroeconomic guidance to all economic entities