Optimal contracts for central bankers: calls on inflation

Ewald, C.-O. and Geißler, J. (2017) Optimal contracts for central bankers: calls on inflation. Applied Mathematics and Computation, 292, pp. 57-62. (doi:10.1016/j.amc.2016.07.011)

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We consider a framework featuring a central bank, private and financial agents as well as a financial market. The central bank's objective is to maximize a functional, which measures the classical trade-off between output and inflation plus income from the sales of inflation linked calls minus payments for the liabilities that the inflation linked calls produce at maturity. Private agents have rational expectations and financial agents are averse against inflation risk. Following this route, we explain demand for inflation linked calls on the financial market from a no-arbitrage assumption and derive pricing formulas for inflation linked calls, which lead to a supply-demand equilibrium. We then study the consequences that the sales of inflation linked calls have on the observed inflation rate and price level. Similar as in Walsh (1995) we find that the inflationary bias is significantly reduced, and hence that markets for inflation linked calls provide a mechanism to implement inflation contracts as discussed in the classical literature.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Ewald, Professor Christian
Authors: Ewald, C.-O., and Geißler, J.
College/School:College of Social Sciences > Adam Smith Business School > Economics
Journal Name:Applied Mathematics and Computation
ISSN (Online):1873-5649
Published Online:29 July 2016
Copyright Holders:Copyright © 2016 Elsevier Inc.
First Published:First published in Applied Mathematics and Computation 292: 57-62
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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