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The Identification Zoo: Meanings of Identification in Econometrics

Arthur Lewbel ()

Journal of Economic Literature, 2019, vol. 57, issue 4, 835-903

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 (i) gives a new framework unifying existing definitions of point identification; (ii) summarizes and compares the zooful of different terms associated with identification that appear in the literature; and (iii) discusses concepts closely related to identification, such as normalizations and the differences in identification between structural models and causal, reduced form models.

JEL-codes: C01 C20 C50 (search for similar items in EconPapers)
Date: 2019
Note: DOI: 10.1257/jel.20181361
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Handle: RePEc:aea:jeclit:v:57:y:2019:i:4:p:835-903