Barter. Trading one good for another.
economy
The Lydians were the first people to develop a money economy.
the incas Economy was the first men down
Adam Smith
The Natives economy was in good shape. It was the first Europeans to come around.
When Ronald Reagan was first elected the us economy was facing stagflation. He came up with policies that saved the economy and these are policies that are commonly known as Reaganomics.
bartering
Italy's economy may have strong government regulation, but it is first and foremost a MARKET ECONOMY because firms choose their own levels of production, not the Italian government (which would be the case in a command economy).
Shipping and trade
1929
Egyptian
The price difference between first class and economy class tickets for this flight is 500.