“…Although there are good reasons why one should suspect MA disturbances in dynamic econometric models (see, for example, Sims, 1974 andNicholls et al, 1975), occasionally there is a need to test for 'Manuscript received February 16, 1982;revised August 24, 1982. MA disturbances in models without lagged dependent variables as regressors. Examples can be found in papers by Zellner & Montmarquette (1971), Rowley & Wilton (1973), and Kenward (1975). The purpose of this paper is to investigate the problem of testing for first order MA (MA(1)) disturbances in such regression models.…”