论经济效益立法李凌燕要提高经济效益，必须贯彻提高经济效益的法制原则，高度重视经济效益立法。近年来，基建项目超概算问题十分严重，超支面广，超支幅度大，不仅加大了资金供应压力，建设项目难以按期竣工，预期的投资效益大打折扣，而且造成投资结构失衡，国民经济宏... On Economic Legislation Li Lingyan To improve economic efficiency, we must implement the legal principle of improving economic efficiency and attach great importance to legislation on economic benefits. In recent years, the over-estimated problem of infrastructure projects is very serious. The huge over-expenditure and over-expenditure range not only increase the pressure on capital supply, but also make the construction projects difficult to be completed on schedule. The expected investment benefits are greatly reduced, and the investment structure is unbalanced and the national economy is macroeconomic. ..