This study presents a Data Envelopment Analysis (DEA) model to evaluate the efficiency of the exchange of regional import and export goods in a railway supply chain network. Unlike previous railway supply chain efficiency studies, the exchange efficiency incorporates railway supply chain...

The paper contributes to the debate on how to measure regions' innovation performance. On the basis of the concept of regional innovation efficiency, we propose a new measure that eases the issue of choosing between industry-specific or global measures. We argue for the use of a robust...