This paper explicitly models strategic interaction between two independent national fiscal authorities and a single central bank in a simple New Keynesian model of a monetary union. Monetary policy is constrained by the zero lower bound on nominal interest rates. Coordination of fiscal policies...

The Financial Crisis of 2008, and the Great Recession in its wake, have shaken up macroeconomics. The paradigm of the "New" Neoclassical Synthesis, which seemed to provide a robust framework of analysis for short-run macro not long ago, fails to capture key elements of the recent crisis. This...