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of  improving  his  position,  the  ambitious
operative  is  not  likely  to  work  with  much
enthusiasm.
When  all  this  has  been  said,  however,
every  aspect  of  the  problem  of  the  efficiency  of
labour  has  not  been  presented.  A  community
is  only  rendered  most  efficient,  in  the  broadest
sense  of  the  term,  when  the  most  valuable
productive  potentiality  of  each  person  has
been  rendered  actual.  To  bring  out  the
highest  powers  of  the  individual  and  place
him  at  work  suited  to  his  capacity  implies  an
educational  system  which  is  successful  both
in  disclosing  and  training  ability  and  a  social
system  wherein  an  individual,  whatever  the
grade  of  his  birth,  finds  no  difficulty  in  making
his  way  into  the  economic  ranks  for  functioning ­
  in  which  he  is  well  endowed  naturally
and  properly  prepared.  Given  these  conditions
and  a  sufficiency  of  initiative  and  perseverance
in  the  individual,  the  vertical  mobility  of
labour  (by  which  is  meant  the  recruiting  of  one
economic  class  from  another)  is  said  to  be
high.
The  end  of  production,  we  must  bear  in
mind,  is  not  to  secure  the  greatest  volume  of
goods,  but,  other  things  being  equal,  the
greatest  volume  when  they  consist  in  the
articles  and  services  most  in  demand.  Exactly