In assessing the abilities of the E.U. states of Greece and Italy to manage their respective debt-loads as expected by E.U. leaders, the impacts from the governance systems can be distinguished from the impact from compromised or failed leadership. In general terms, a forceful, visionary leader can leverage an existing governance system to “produce.” However, it is also true that a faulty system can make transformational leadership difficult if not nearly impossible.
The full essay is at "Essays on the E.U. Political Economy," available at Amazon.