This chapter critically reviews the literature which explains why and under which circumstances governments accumulate more debt than it would be consistent with optimal fiscal policy. We also discuss numerical rules or institutional designs which might lead to a moderation of these distortions.

In this working paper, we decompose fiscal policy in three components: i) responsiveness, ii) persistence and iii) discretion. Using a sample of 132 countries, our results point out that fiscal policy tends to be more persistent than responding to output variations. We also found that while the...