Appendix To Part 1: Equations and Definitions of Variables for the FRB-MIT-Penn Econometric Model, November 1969

Albert Ando, Franco Modigliani, and Robert Rasche, Econometric Models of Cyclical Behavior, Volumes 1 and 2 (NBER, 1972), chap. 5, https://www.nber.org/books-and-chapters/econometric-models-cyclical-behavior-volumes-1-and-2/appendix-part-1-equations-and-definitions-variables-frb-mit-penn-econometric-model-november-1969.