By Cristina Jianu, Investment for Cohesion, Growth and Inclusion Directorate, and Bernard Witkos, cabinet of Marek Opiola, ECA member — Cohesion policy is the EU’s main investment tool for promoting economic, social and territorial development. Increasing focus on the performance of cohesion policy has been on the agenda for many years, but it has gathered pace since the financial crisis in 2008, when shrinking public finances in many Member States…