Lack of identification of parameters in a simple behavioral macroeconomic model
Thomas Lux
Journal of Economic Dynamics and Control, 2024, vol. 168, issue C
Abstract:
Identifiability of the parameters is an important precondition for consistent estimation of models designed to describe empirical phenomena. Nevertheless, many estimation exercises proceed without a preliminary investigation into the identifiability of their models. As a consequence, the estimates could be essentially meaningless if convergence to the ‘true’ parameters is not guaranteed in the pertinent problem. We provide some evidence here that such a lack of identification is responsible for the inconclusive results reported in recent literature on parameter estimates for a certain class of nonlinear behavioral New Keynesian models. We also show that identifiability depends on the subtle details of the model structure. Hence, a careful investigation of identifiability should precede any attempt at estimation of such models.
Keywords: Behavioral macro; Identification; Forecast heuristics (search for similar items in EconPapers)
JEL-codes: C53 E12 E32 (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (2)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:dyncon:v:168:y:2024:i:c:s0165188924001647
DOI: 10.1016/j.jedc.2024.104972
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