The political economy of delaying fiscal consolidation

Over the next decades, many OECD countries are anticipating large increases in public spending as a result of population ageing and other long-term structural trends. The need to put public finances on a
sustainable footing is widely recognised, but progress has been uneven and slow. Some policy makers may feel that action can be deferred for a few years at little cost because of the long-term nature of the problem.

This paper questions this perception by proposing a model of the political costs of consolidating public
finances. The main finding is that even a short delay increases political cost of consolidation quite
markedly when ultimately policy makers are facing a deadline by which sustainability must be restored.

The conclusion is very robust to changes in assumptions and specification. A variant of the model shows that with an infinite horizon the incentive to consolidate is weaker, which highlights the importance of
setting a deadline.

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