 Identification and Asymptotic Approximations: Three Examples of Progress in Econometric TheoryJournal of Economic Perspectives, 2017, vol. 31, issue 2, 107-24 Abstract: In empirical economics, the size and quality of datasets and computational power has grown substantially, along with the size and complexity of the econometric models and the population parameters of interest. With more and better data, it is natural to expect to be able to answer more subtle questions about population relationships, and to pay more attention to the consequences of misspecification of the model for the empirical conclusions. Much of the recent work in econometrics has emphasized two themes: The first is the fragility of statistical identification. The other, related theme involves the way economists make large-sample approximations to the distributions of estimators and test statistics. I will discuss how these issues of identification and alternative asymptotic approximations have been studied in three research areas: analysis of linear endogenous regressor models with many and/or weak instruments; nonparametric models with endogenous regressors; and estimation of partially identified parameters. These areas offer good examples of the progress that has been made in econometrics. JEL-codes: C01 C10 C20 (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:aea:jecper:v:31:y:2017:i:2:p:107-24 Ordering information: This journal article can be ordered from Access Statistics for this article Journal of Economic Perspectives is currently edited by Enrico Moretti More articles in Journal of Economic Perspectives from American Economic Association Contact information at EDIRC. |
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