For there publication which deals with longer term issues see: ↑ Baumol, William J. (1970) Economic Dynamics, 3rd edition, Macmillan (as cited in Caravale, Giovanni A. and Domenico A. Tosato (1980) Ricardo and the Theory of Value, Distribution and Growth, Routledge & Kegan Paul) ↑ O'Sullivan, Arthur; Sheffrin, Steven M. (2003). Economics: Principles in Action. Upper Saddle River, New Jersey 07458: Pearson Prentice Hall. p. 395.