Concept
Development
Advantage
Disadvantage
100

This is the exchange of goods and/or services for goods and/or services without the use of money. 

What is Barter?

100

Barter developed so that people could trade this (when they produce more than they need).

What is surplus production?

100

This is one benefit of barter that allows people to trade even when cash is not available. 

What is trade without the use of money?

100

The need for two people to want exactly what the other has can be this disadvantage.

What is the double coincidence of wants?