SPLINTERING AND INERTIA IN NETWORK INDUSTRIES*
研究了存在网络效应和两种新技术时，技术采纳的博弈模型，发现多种不兼容技术版本会降低个体采纳激励，但两种技术并存可能提升总体福利。
We analyse a stylised game of technology adoption with network effects and two new technologies. Potential adopters can adopt early, late or not at all. We show that one of the reasons for the failure of new technologies can be the presence of multiple incompatible variants of that technology. An adopter's individual incentives to adopt are lower with two technologies than with one. Turning to aggregate expected welfare, we find that two active technologies may be welfare‐improving.