OF THE CAUSES OF IMPROVEMENT IN THE PRODUCTIVE POWERS OF LABOUR, AND OF THE ORDER ACCORDING TO WHICH ITS PRODUCE IS NATURALLY DISTRIBUTED AMONG THE DIFFERENT RANKS OF THE PEOPLE. QGoMwhk+RJi78O4nNQ2dJgsnrnjo/HsAK3dSIW1Q/mNwcNEMNJRjCP58d7ZCmW7O