Paul Dudley

Delivery Offices Cost Frontier: A Robust Non Parametric Approach with Exogenous Variables

Jean-Pierre Florens, Shital Patel, Shital S. Patel, 2008 .

Efficiency analysis of delivery officers in the postal sector using stochastic frontier and data envelopment analyses

Emmanuel Thanassoulis, Alan Horncastle, Paul Dudley, 2006 .