NUMBER@1 April NUMBER@2 -- NUMBER@1 March NUMBER@3 -RRB- was a MISC@1 economist who believed that money was only a means of exchange that did not constitute wealth in itself and that national wealth depended on trade .

NUMBER@1 April NUMBER@2 - NUMBER@1 March NUMBER@3 -RRB- was a MISC@1 economist who believed that money was only a means of exchange that did not have wealth in itself , and that national wealth depended on trade .
