Abstract
This paper highlights the implications for a single monetary policy when key economic relationships are nonlinear or asymmetric at a disaggregate level. Using data for the EU and OECD countries we show that there are considerable non-linearities and asymmetries in the Phillips and Okun curves. High unemployment has relatively limited effect in pulling inflation down while low unemployment can be much more effective in driving it up. Downturns in the economy are both more rapid and sustained in driving unemployment up than recoveries are in bringing it down. There is considerable variety in these relationships and IS curves across not just countries but also sectors and regions.
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Mayes, D.G., Viren, M. Asymmetry and the Problem of Aggregation in the Euro Area. Empirica 29, 47–73 (2002). https://doi.org/10.1023/A:1014681414484
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DOI: https://doi.org/10.1023/A:1014681414484