The delegation of monetary policy to a supranational Central Bank creates a conflict of interest between residents of different countries. For example, the country in recession favours more inflation to boost output, while the country in boom prefers exactly the opposite. This conflict gives...

In this paper we analyse how the creation of a single currency regime changes the strategic relationship between policy-makers, both within and across countries. In particular we look at the role of cross-country externalities and lack of commitment. When labour taxation is excessive, due to...

This paper analyses the determinants of public expenditures allocated to investment. We perform welfare analysis in an overlapping generations model with public consumption, public investment, debt and taxes. The optimal public investment share depends positively on the productive contribution...

Several recent studies imply that the response of national saving to fiscal policy is non-monotonic. In this paper, we use two data sets to search for the circumstances in which such non-monotonic responses arise: one refers to a sample of OECD countries, as in previous studies, and one to a...