James Ahiakpor,

Your quote from Mill allows for the possibility
that some income may be simply laid aside and not
consumed immediately, in which case it is "hoarded."
Only if it is immediately "employed as capital,"
is it immediately spent.

In short, Mill admits exactly what you and Kates
declare to be impossible, or at least not in the
realm of thought of the classical economists as
possible, a leakage that is hoarded and is not
spent (at least not immediately).  This point was
fully recognized by Say himself, as I have previously
pointed out in this venue.  It would be good if you
guys would recognize this point and stop just 
repeating cherry picked quotes that you think 
prove the impossibility of "leakages."

Barkley Rosser