在我国的公共物品供给中,存在着供给效率低下、供给不平衡的问题,严重影响了农村经济和社会发展。本文尝试从公共物品供给的两大参与主体——街头官僚和公民出发,从公共选择理论的“经济人”假设以及“公地悲剧”的角度,探讨我国公共物品供给问题的深层次原因,并试图寻求克服困难的必要途径。 In the supply of public goods in our country, there exists the problem of inefficient supply and supply imbalance, seriously affecting the rural economy and social development. This article tries to discuss the problem of the supply of public goods in our country from the angle of the “economic man” of public choice theory and the tragedy of “commons” from the two main participants of public goods supply, street bureaucrats and citizens. Level reasons and try to find the necessary ways to overcome the difficulties.