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. kDH68J04Dyf55iRbloUHWqXp/5h23615FZ54FnPy8yYrcN3neIgWb1Hz3JWmGC83