duration. Reactions to Domar' s approach at the time brought about methodological assertions on the distinction between models …

agriculture — and second-round feed-back interdependent linkages. Models and studies attempting to quantify the linkages are then … discussed in terms of theoretical constructs, structural econometric models, computable general-equilibrium models, and time …-series models. …

two strategies toward that end: imitation and innovation. The theory bears predictions about the evolution of the …