Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/100346 
Year of Publication: 
2014
Series/Report no.: 
Beiträge zur Jahrestagung des Vereins für Socialpolitik 2014: Evidenzbasierte Wirtschaftspolitik - Session: Unconventional Monetary Policy: Theory and Evidence No. F02-V4
Publisher: 
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften, Leibniz-Informationszentrum Wirtschaft, Kiel und Hamburg
Abstract: 
In this paper we present a simple framework to model central bank forward guidance in a liquidity trap. We analyze the role of long-run and short-run price stickiness under discretion and commitment in a straightforward and intuitive way. Despite the impact of price rigidity on welfare being non-linear, losses under discretion are lowest with perfectly flexible prices. We show why the zero lower bound may still be binding even long after the shock has gone and characterize conditions when a commitment to hold nominal rates at zero for an extended period is optimal. We then introduce government spending and show that under persistently low policy rates optimal government spending becomes more front-loaded, while pro-cyclical austerity fares worse than discretionary government spending.
JEL: 
E40
E52
E58
Document Type: 
Conference Paper

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