Econometrica: Sep 1976, Volume 44, Issue 5

Testing for Serial Correlation in Dynamic Simultaneous Equation Models

https://doi.org/0012-9682(197609)44:5<1077:TFSCID>2.0.CO;2-9
p. 1077-1084

L. G. Godfrey

The parameters of dynamic simultaneous equation models are often estimated using methods which are appropriate only when the errors of the equations are serially independent. The purpose of this paper is to propose a large sample test for serial correlation to replace the invalid Durbin-Watson test. The test requires only simple calculations and can be easily added to standard two-stage least squares/instrumental variables programs. The treatment of serial correlation is discussed. An example is given to illustrate the test procedure.

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