The rapid development of civilization, population growth and constant increase in the resource consumption level had an effect on changes in methodologies and procedures for approaching the problem in many areas including the traffic engineering.

Techniques to improve freight car fleet use are of considerable interest to the railroad industry. In this paper, we present a fuzzy inventory control approach applied to the sizing of empty cars on a rail network. We address the problem of deciding the optimal inventory level and the optimal...

Purpose: The purpose of this paper is to propose a methodology for the comparison of business units and to illustrate its implementation. Job stress is introduced as a mediator variable. A postal company is taken as a case study and its three business units are compared. The units (i.e....