Key points are not available for this paper at this time.
Larry G. Epstein, Michael G. S. Denny, The Multivariate Flexible Accelerator Model: Its Empirical Restrictions and an Application to U.S. Manufacturing, Econometrica, Vol. 51, No. 3 (May, 1983), pp. 647-674
Epstein et al. (Sun,) studied this question.