This paper makes a comparative analysis on the respective ideas of "public economy" and "public selection"of Masgrave and Buchanan,two great characters in finance,from these four aspects:public expense increase,majority judgment rule,optimal tax rate and fiscal competition.

Policy choice of government s health public expenditure;

Incentive to Innovation Independently——The Effect and Optimal Scale of Public Expenditure;

Justice Principle of City s Public Expenditure and Sustainable Development;

A Research on China s Public Spending Structure Adjusting Reform in the Period of Economic Transition;

Constructing a two-region endogenous growth model containing public infrastructures,which brings government spending policies into a uniform frame and considers the integrative affect of different types of public spending measures on regional development.

Through analyzing performance problem in structure adjustment of public spending,based on the meaning of performance orientation of structure adjustment in public expenditure,this paper points out its significance and puts forward several approaches to build it.

The effects of public health expenditure on economic development were underestimated in the past researches.

Some realistic problems such as the divergence of the level of public health service between urban and rural area, and the frequent erupt of public health emergencies, are all closely associated with the efficiency and equality effect of public health expenditure.