基于利益分歧产生的利益集团,通过影响公共政策制定这一主要途径以实现集团目标,在这一过程中,合理有效的利益表达机制显得尤为重要。本文在分析利益集团在公共政策制定过程中各阶段博弈行为的基础上,试图寻找一种更为合理有效的利益表达制定,规范利益集团的利益诉求形式,更大程度地维护公共利益。 Interest groups based on the divergence of interests can achieve the group’s goal by influencing the main way of public policy making. In this process, it is particularly important to have a reasonable and effective interest expression mechanism. On the basis of analyzing the game behavior of interest groups in various stages of public policy making process, this article attempts to find a more reasonable and effective formulation of interest expression, standardize the interest demands of interest groups and safeguard the public interest to a greater extent.