"The growth of productivity — output per unit of input — is the fundamental determinant of the growth of a country’s material standard of living." http://www.e

"The growth of productivity — output per unit of input — is the fundamental determinant of the growth of a country’s material standard of living." http://www.econlib.org/library/Enc/Productivity.html http://www.econlib.org/library/Enc/Productivity.html