A Note on Allowed and Realized Rates of Return of the US Electric Utility Industry
研究了美国电力公用事业行业允许收益率与实际收益率之间的差异，对理解该行业的经济和财务表现有参考价值。
Geoffrey S. Rothwell, Kelly A. Eastman, A Note on Allowed and Realized Rates of Return of the US Electric Utility Industry, The Journal of Industrial Economics, Vol. 36, No. 1 (Sep., 1987), pp. 105-110