Chapter VII. On what depends the degree of Productiveness
of Productive Agents.
I. Land, labor, and capital, are of different productiveness at
different times and places.....
2. Causes of superior productiveness. Natural advantages...........
greater energy of labor....
-
- superior skill and knowledge...
superiority of intelligence and trustworthiness in the com-
munity generally....
superior security
6.
Chapter VIII. Of Co-operation, or the Combination of Labor.
1. Combination of Labor a principal cause of superior produc-
tiveness