The code of Hammurabi was created in 1754 BC.
It describes the Babylonian law about various things including economy. According to the law the debtors were forgiven after three years. The sixth Babylonian King Hamurabi knew about economy and respected the entrepreneurial efforts of his subjects in Mesopotamia . It is one of the earliest know economic laws in history.
The code was inscribed in stones and some of the still survives.
Babylonians was the first to issue money in clay tablet form. Also were the first who created interest rates. The credit was invented in ancient Mesopotamia.