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Time consistent fiscal policies in a Ramsey economy

✍ Scribed by Roberto Cellini; Luca Lambertini

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
212 KB
Volume
53
Category
Article
ISSN
0165-4896

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✦ Synopsis

This paper revisits a well-known case of optimal fiscal policy in a Ramsey model where consumer utility is defined over consumption and public goods. We show that "normalising" the size of the population to one eliminates the scope for active policy-making since the decentralised equilibrium coincides with social planning. Then, we modify the model to allow for a population of N N 1 agents, whereby restoring the role of the government as a policy-maker. Both in the Stackelberg case and in the decentralised game, we prove that optimal fiscal policy and consumption are not only time consistent but also subgame perfect.

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