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Model Identification and Non-unique Structure.

Abstract:

Identification is an essential attribute of any model's parameters, so we consider its three aspects of 'uniqueness', 'correspondence to reality' and 'interpretability'. Observationally-equivalent over-identified models can co-exist, and are mutually encompassing in the population; correctly-identified models need not correspond to the underlying structure; and may be wrongly interpreted. That a given model is over-identified with all over-identifying restrictions valid (even asymptotically) ...

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Volume:
2002-W11
Series:
Economics Working Papers
Publication date:
2001-01-01
URN:
uuid:17627e20-797f-4cc6-97ef-9733cc30a84c
Local pid:
oai:economics.ouls.ox.ac.uk:11912
Language:
English

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