Jorgenson, Dale. “A Programming Model for a Dual Economy: Comment.” In The Role of Agriculture in Economic Development, Conference of the Universitites -- National Bureau Committee for Economic Research , 231-234. Columbia University, New York: Columbia University Press, 1969.
Reprinted in Italian as "Il Ruolo dell'Agricoltura nello Sviluppo Economico," Revista Internazionale di Scienze Economiche e Commerciali , Vol. 14, No. 9, Settembre 1967 (trans. G. Gaburro), pp. 837-856.
Jorgenson, Dale. “The Demand for Capital Services.” In Economic Models, Estimation, and Risk Programming: Essays in Honor of Gerhard Tintner , edited by KA Fox, GVL Narasimham, and K Sengupta, 35-57. New York: Springer-Verlag, 1969.
Jorgenson, Dale. “Industry Changes in Non-Labor Costs: Comment.” In The Industrial Composition of Income and Product, Studies in Income and Wealth, No. 32, edited by J Kendrick, 176-184. New York: Columbia University Press, 1968.