This paper studies the dynamics of sovereign risk, fiscal policy and the macroeconomy in a two-country monetary union framework under the assumption of a heterogeneous perception of the determinants of sovereign risk by the government and the market participants. The macroeconomic volatility...

"The desirability of fiscal constraints in monetary unions depends critically on whether the monetary authority can commit to follow its policies. If it can commit, then debt constraints can only impose costs. If it cannot commit, then fiscal policy has a free-rider problem, and debt constraints...