The Convergence of Profits in the Long Run: Inter-Firm and Inter-Industry Comparisons
研究了长期内企业间和行业间利润率的收敛现象，通过实证分析揭示利润差异随时间缩小的规律，对产业组织学者和关注竞争动态的经济学家有参考价值。
J. Cubbin, P. Geroski, The Convergence of Profits in the Long Run: Inter-Firm and Inter-Industry Comparisons, The Journal of Industrial Economics, Vol. 35, No. 4, The Empirical Renaissance in Industrial Economics (Jun., 1987), pp. 427-442