Optimal Discretion

Yvan Lengwiler and Athanasios Orphanides

Scandinavian Journal of Economics, 2002, vol. 104, issue 2, 261-276

Abstract: We investigate the desirability of adopting a rule in favor of discretionary monetary policy in a model exhibiting Kydland and Prescott's dynamic inconsistency problem but no fundamental incompatibility between the policymaker's price stability and full employment objectives. We show that if discretion provides a policy flexibility benefit, then a rule is optimal only when inflation exceeds an endogenously determined threshold. This gives rise to a discretionary policy zone for inflation with the central bank taking more drastic action towards stabilizing inflation when inflation veers outside the zone. Imperfect credibility narrows the scope for discretion and enhances the benefits of adopting a rule. JEL classification: E58; D82; C72

Date: 2002
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Working Paper: Optimal discretion (1999)
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