The choice of a technical efficiency measure on the free disposal hull reference technology: A comparison using US banking data. - Bruno De Borger; Gary D. Ferrier; Kristiaan Kerstens (Eur. J. Oper. Res., 1998)

Do mergers improve hospital productivity? - Gary D. Ferrier; V. G. Valdmanis (J. Oper. Res. Soc., 2004)

Predicting retailer orders with POS and order data: The inventory balance effect. - Brent D. Williams; Matthew A. Waller; Sanjay Ahire; Gary D. Ferrier (Eur. J. Oper. Res., 2014)

Direction selection in stochastic directional distance functions. - Kevin Layer; Andrew L. Johnson; Robin C. Sickles; Gary D. Ferrier (Eur. J. Oper. Res., 2020)

Data Envelopment Analysis Models for Identifying Bottlenecks in Hospital Operations Through Partial Productivity Measures. - Zhiyang Shen; Gary D. Ferrier; Dalia Streimikiene; Tomas Balezentis (IEEE Trans. Engineering Management, 2025)