The Identification Zoo - Meanings of Identification in Econometrics

Arthur Lewbel

No 957, Boston College Working Papers in Economics from Boston College Department of Economics

Abstract: Over two dozen different terms for identification appear in the econometrics literature, including set identification, causal identification, local identification, generic identification, weak identification, identification at infinity, and many more. This survey: 1. gives a new framework unifying existing definitions of point identification, 2. summarizes and compares the zooful of different terms associated with identification that appear in the literature, and 3. discusses concepts closely related to identification, such as normalizations and the differences in identification between structural models and causal, reduced form models.

Keywords: Identification; Econometrics; Coherence; Completeness; Randomization; Causal inference; Reduced Form Models; Instrumental Variables; Structural Models; Observational Equivalence; Normalizations; Nonparametrics; Semiparametrics (search for similar items in EconPapers)
JEL-codes: B16 C10 (search for similar items in EconPapers)
Date: 2018-09-01, Revised 2019-12-14
New Economics Papers: this item is included in nep-ecm
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Citations: View citations in EconPapers (80)

Published, Journal of Economic Literature, 57:4, 2019

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Journal Article: The Identification Zoo: Meanings of Identification in Econometrics (2019)
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