We study gains from introducing a common numerical fiscal rule in a "Union" of model economies facing sovereign default risk. We show that among economies in the Union, there is significant disagreement about the common debt limit the Union should implement: the limit preferred by some economies...

This paper explains and evaluates three proposals to create "safe assets" for the euro area based on sovereign bonds, in which sovereign risk is limited through diversification and some form of seniority. These assets would be held by banks and other financial institutions, replacing...