The spillage effect of technique innovation, as an important manifestation of the public attribute of the technique innovation achievements, has both positive and negative effects on the social and economic development.

• 摘要技术创新的溢出效应，作为技术创新成果公共属性特征的重要表现，对社会经济的发展具有积极促进与消极阻碍双重作用。