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A Test of the Exogeneity of National Variables in a Regional Econometric Model

Working Paper 124 | Revised June 1, 1979

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Author

Paul A. Anderson

A Test of the Exogeneity of National Variables in a Regional Econometric Model

Abstract

Many regional econometric models are estimated under the maintained assumption that certain national variables are exogenous with respect to the regional variables in the models. This exogeneity assumption is testable using time series methods of inference, yet, to my knowledge, no regional model has been so tested. In this paper, I test the national exogeneity assumption included in the specification of a particular regional forecasting model. Such a test is, I believe, a necessary and important step in the construction of any econometric model.