Jorge, Antonia.  Competition, Cooperation, Efficiency, and Social Organization.
New Jersey: 1978. ISBN 0838620264
Page 56

When we observe modern technology mixed with a “backward” human factor in an underdeveloped country, we know we must “modernize” the latter if we are to have a higher degree of economic efficiency. Unfortunately, our present knowledge is not sufficient to determine what efficiency values may be attached either to the performance of labor under various organizational alternatives or to the managerial and organizational forms that would result from the presence of different “spirits” in the human beings involved.