The study of exit policy of declining industries is the emphases of this paper. This study intends to make some theorial surport for the government how to change assistance policy of government of declining industries into active exit policy.

• 劣势产业的退出政策研究是本论文理论研究的重点，论文试图通过理论研究，为目前政府针对劣势产业的政策由被动的援助政策向主动的战略性的退出政策转变奠定一定的理论基础。