It has long been evident to many of us that one can not have monetary union without fiscal union. (conservativehome.blogs.com)
You can't have monetary union long - term without political / fiscal union. (alephblog.com)
Memories of the traumatic European monetary union disaster of 1992, suspicions that an independent Scotland would face higher funding costs and more constrained market conditions are behind the renewed hostility to a currency union. (politics.co.uk)