Discretionary policy and multiple equilibria in LQ RE models

Blake, A.P. and Kirsanova, T. (2012) Discretionary policy and multiple equilibria in LQ RE models. Review of Economic Studies, 79(4), pp. 1309-1339. (doi:10.1093/restud/rds002)

Blake, A.P. and Kirsanova, T. (2012) Discretionary policy and multiple equilibria in LQ RE models. Review of Economic Studies, 79(4), pp. 1309-1339. (doi:10.1093/restud/rds002)

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Abstract

We study stationary discretionary equilibria in dynamic linear-quadratic rational expectations models. Past papers have assumed that this is uniquely determined; we show that such models can have multiple equilibria in some situations. We demonstrate the existence of multiple discretionary equilibria using a number of examples of increasing complexity, and discuss their potential to explain interesting economic phenomena. We investigate the general properties of discretionary equilibria and discuss the design implications for the numerical algorithms needed to find them.

Item Type:Articles
Keywords:Time consistency, discretion, multiple equilibria, LQ RE models
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kirsanova, Professor Tatiana
Authors: Blake, A.P., and Kirsanova, T.
College/School:College of Social Sciences > Adam Smith Business School > Economics
Journal Name:Review of Economic Studies
ISSN:0034-6527
Published Online:18 June 2012

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