内公外私产权是组织对内建立非排他性公有契约,对外建立排他性私人契约的产权形式。本文从集体行动的逻辑、重复博弈的逻辑、对内利他对外利己行为的生物学逻辑,逐层论证了内公外私产权存在的内在逻辑;从路径依赖的逻辑,论证了在市场经济现实中内公外私产权存在的理由,从而进一步证明它是具有一定概率的重要产权形式之一。 Internal and external private property rights are the forms of property right for the organization to establish a non-exclusive public contract internally and establish an exclusive private contract. This article from the logic of collective action, the logic of repeated games, the biological logic of the altruistic behavior of altruism, the inner logic of the private ownership of private property is demonstrated layer by layer; According to the logic of path dependence, this paper demonstrates that in the realities of market economy Therefore, it is further proved that it is one of the important forms of property rights with a certain probability.