AN ANALYTICAL AND NUMERICAL SEARCH FOR BIFURCATIONS IN OPEN ECONOMY NEW KEYNESIAN MODELS

William Barnett and Unal Eryilmaz

Macroeconomic Dynamics, 2016, vol. 20, issue 2, 482-503

Abstract: We explore bifurcation phenomena in the open-economy New Keynesian model developed by Galí and Monacelli in 2005. We find that the open economy framework brings about more complex dynamics, along with a wider variety of qualitative behaviors and policy responses. Introducing parameters related to the open economy structure affects the values of bifurcation parameters and changes the location of bifurcation boundaries. As a result, the stratification of the confidence region, as previously seen in closed-economy New Keynesian models, remains an important research and policy risk to be considered in the context of the open-economy New Keynesian functional structures. In fact, econometrics and optimal policy design become more complex within an open economy. Dynamical inferences need to be qualified by the risk of bifurcation boundaries crossing the confidence regions. Policy design needs to take into consideration that a change in monetary policy can produce an unanticipated bifurcation, without adequate prior econometrics research.

Date: 2016
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Related works:
Working Paper: An Analytical and Numerical Search for Bifurcations in Open Economy New Keynesian Models (2012)
Working Paper: An analytical and numerical search for bifurcations in open economy New Keynesian models (2012)
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Persistent link: https://EconPapers.repec.org/RePEc:cup:macdyn:v:20:y:2016:i:02:p:482-503_00

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