2007-08-27 10:58:04 · 5 answers · asked by Anonymous in Social Science ➔ Economics
Trade in services predates the existence of the human race; is it often observed in primates. In a family group of monkeys or apes, individuals are much more likely to groom those who have groomed them in the past.
2007-08-27 13:00:42 · answer #1 · answered by NC 7 · 0⤊ 1⤋
A very long time ago.
People who lived in area A might have had plenty of walnuts, but not much in the way of copper. Area B might have had a lot of copper, but not much in the way of walnuts. A deal waiting to be born.
2007-08-27 18:05:26 · answer #2 · answered by Anonymous · 0⤊ 0⤋
It was flint. Early nomadic clans traded flint.
2007-08-27 18:48:49 · answer #3 · answered by Anonymous · 0⤊ 0⤋
When Grog had more meat than Ugh, and Ugh had extra skins.
2007-08-27 18:05:35 · answer #4 · answered by pepper 7 · 1⤊ 0⤋
since the begining of humanity
2007-08-27 18:01:43 · answer #5 · answered by Anonymous · 1⤊ 0⤋