Purpose The purpose of this paper is to propose a framework for evaluating and selecting the most optimal third-party logistics (3PL) service provider vendor among the available ones. Selection is done based on the performance values of the vendors on certain predefined criteria....

Purpose – This paper aims to present a linear mathematical framework for modeling and optimizing road transport infrastructure. The framework assesses and optimizes performance of existing transport facility rather than relying on building new roads for the ever-increasing travel demand....

Purpose – The paper aims to test the hypothesis about increasing the efficiency of gas distribution companies in the period of high gas prices on the example of Ukraine that is highly dependent on this energy source. Design/methodology/approach – The basic and super-efficiency models of data...