The Measurement of Retail Output and the Retail Revolution
研究了零售产出的度量问题，探讨零售革命对经济的影响，对关注服务业生产率和零售业发展的学者有参考价值。
Leonard I. Nakamura, The Measurement of Retail Output and the Retail Revolution, The Canadian Journal of Economics / Revue canadienne d'Economique, Vol. 32, No. 2, Special Issue on Service Sector Productivity and the Productivity Paradox (Apr., 1999), pp. 408-425