Market Distortions and Local Indeterminacy: A General Approach
AbstractWe provide a methodology to study the role of market distortions on the emergence of indeterminacy and bifurcations. Most of the specific market imperfections considered in the related literature are particular cases of our framework. Comparing them we obtain several equivalence results in terms of local dynamic properties, highlighting the main channels and classes of distortions responsible for indeterminacy. Our methodology consists in introducing general specifications for the elasticities of the crucial functions defining the aggregate equilibrium dynamics of the model. This allows us to study how market distortions influence the range of values for the elasticity of inputs substitution under which local indeterminacy and bifurcations occur. Applying this methodology to the Woodford (1986) framework we find that distortions in the capital market, per se, do not play a major role. We further show that, for empirically plausible values of elasticity of substitution between inputs, indeterminacy requires a minimal degree of distortions. This degree seems to be high under output market distortions, while with labor market distortions the required degree is empirically plausible.
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Bibliographic InfoPaper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 5603.
Length: 50 pages
Date of creation: Mar 2011
Date of revision:
Publication status: published in: Journal of Economic Theory, 2014, 151, 216–247
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Other versions of this item:
- Teresa Lloyd-Braga & Leonor Modesto & Thomas Seegmuller, 2011. "Market distortions and local indeterminacy: a general approach," Working Papers halshs-00576582, HAL.
- C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
- E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-04-16 (All new papers)
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