Unlike the LPI which surveys the logistics companies and professionals trading with the counties under study on the various dimensions of logistics performance, the GLPI relies on the self-assessment of firms to report their performance in the surveyed GL activities. There are still mainly in-sourced since the scale and the scope of activities on many occasions are still relatively small. Second, as a pilot study to collect data to prove the concept of the GLPI, limitation in resources has restricted the opportunity of hiring an expert panel to perform the evaluation.