On the constancy of time-series econometric equations

Parameter constancy is a fundamental requirement for empirical models to be useful for forecasting, analysing economic policy, or testing economic theories. However, there are surprises in defining a constant-parameter model, such that models with time-varying coefficients, and expansion of the para...

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Bibliographic Details
Main Author: Hendry, D
Format: Journal article
Language:English
Published: Economic & Social Research Institute 1996