old money
Economic thought is at least as old as money itself.
The earliest coins were made from precious metals such as gold and silver. They are believed to have first appeared around the 6th century BC in what is now Turkey, but were soon in use around the civilized world, from Mesopotamia to Persia to India to China.
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However, because economics has long modelled itself after sciences like physics, it has been shaped most of all by the Western scientific tradition,
which itself is rooted in the ideas of Greek philosophers.
We therefore begin our story 2,500 years ago, in a cave in ancient Greece ...
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