Purpose: Despite unanimity in the literature that eco-innovation (EI) leads to sustainable development, evidence remains limited on measuring EI efficiency with the Malmquist productivity index (MPI). In conventional data envelopment analysis (DEA) models, decision-making units (DMUs) are...

Purpose – Prior research has suggested that the key to industrial purchasing success lies in the time development and maintenance of long‐term relationships between buyers and sellers. Good relational exchanges can lead to higher product quality and better coordination with the suppliers. As...

Purpose – This study attempts to list and rank the necessary skills required of a global logistics professional based on objective evaluations from industry. Design/methodology/approach – This paper adopts a novel mixed‐methods approach using elements of concept mapping (brainstorming,...