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Reference: David F. Hendry and Soren Johansen, (2012). Model Discovery and Trygve Haavelmo's Legacy

Department of Economics (University of Oxford).Citable link to this page:


Model Discovery and Trygve Haavelmo's Legacy. Series: Discussion paper series

Abstract: Trygve Haavelmo’s Probability Approach aimed to implement economic theories, but he later recognized their incompleteness. Although he did not explicitly consider model selection, we apply it when theory-relevant variables, {xt}, are retained without selection while selecting other candidate variables, {wt}. Under the null that the {wt} are irrelevant, by orthogonalizing with respect to the {xt}, the estimator distributions of the xt‘s parameters are unaffected by selection even for more variables than observations and for endogenous variables. Under the alternative, when the joint model nests the generating process, an improved outcome results from selection. This implements Haavelmo’s program relatively costlessly.

Bibliographic Details

Issue Date: 2012Identifiers

Urn: uuid:d7cc7bae-941d-40e4-9bc9-126e6723c69f Item Description

Type: info:eu-repo/semantics/workingPaper;

Language: en


Autor: David F. Hendry - - - Soren Johansen - - - - Bibliographic Details Issue Date: 2012 - Identifiers Urn: uuid:d7cc7bae-941d-40e4-9b



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