篇名：New technology adoption: Incombent versus entrant
期刊：International Journal of Industrial Organization,

卷号及页码：Volume 5, Issue 3, 1987, Pages 315-321
作者：Cecilia Conrad, Martine Duchatelet

电子链接：http://www.sciencedirect.com/science/article/B6V8P-4GXVY28-5/2/72529d89e887cd6fccb88aea9ff92c46

先行谢过啦！！！