Agglomeration, Interorganizational Networks, and Competitive Performance in the U.S. Metalworking Sector
研究了美国金属加工行业中企业集聚、组织间网络与竞争绩效的关系，对理解地理集聚如何影响企业竞争力有参考价值。
Stephen J. Appold, Agglomeration, Interorganizational Networks, and Competitive Performance in the U.S. Metalworking Sector, Economic Geography, Vol. 71, No. 1, Collaboration and Competition in Geographical Context (Jan., 1995), pp. 27-54