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Ruhr Economic Papers, RWI >
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http://hdl.handle.net/10419/36982
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| Title: | | Fixed, random, or something in between? A variant of Hausman's specification test for panel data estimators  |
| Authors: | | Frondel, Manuel Vance, Colin |
| Issue Date: | | 2010 |
| Series/Report no.: | | Ruhr economic papers 160 |
| Abstract: | | This paper proposes a variant of the classical HAUSMAN specification test commonly employed to decide whether the estimation of a random-effects model is a viable alternative to estimating fixed effects. Whereas the classical test probes the equality of fixed- and random effects, the proposed variant focuses on the equality of between-groups and fixed-effects coefficients. While both test procedures lead to the same conclusions, the panel model specification underlying our testing strategy facilitates the simultaneous estimation of the fixed- and between-groups effects. As a consequence, we are able to examine both the equality of the whole range of coefficients as well as that of individual variables. The usefulness of the test is illustrated using a panel of household travel data for Germany. |
| Subjects: | | Specification tests fuel price elasticity |
| JEL: | | C12 |
| ISBN: | | 978-3-86788-179-1 |
| Document Type: | | Working Paper |
| Appears in Collections: | | Publikationen von Forscherinnen und Forschern des RWI Ruhr Economic Papers, RWI
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