Key points are not available for this paper at this time.
Frederick O. Lorenz, Rand D. Conger, Ronald L. Simon, Les B. Whitbeck, Glen H. Elder, Jr., Economic Pressure and Marital Quality: An Illustration of the Method Variance Problem in the Causal Modeling of Family Processes, Journal of Marriage and Family, Vol. 53, No. 2 (May, 1991), pp. 375-388
Lorenz et al. (Wed,) studied this question.