The main result of the paper is that there exists a steady persistent inequality of income or wealthy in the economy in the long run if the shocks to personal preference,ability,and luck are random and the market is perfect.

• 论文分析表明:在偏好、个人劳动能力和个人收入的随机冲击的影响下,如果市场是完善的,整个经济系统存在收入和财富分配的稳定不平等状态,而且,这种稳定的不平等状态与初始的财富分配的不平等和一次性的产权配置都是无关的。