The law of Supply and Demand

Supply

   Supply mean how much of something is available.

Demand
   Demand mean how much of people want to buy.



What is barter system?
 Barter is a system, direct exchanging goods to goods, services to services.


Explain barter system?
      Before using 'money', people use "barter" system.  Barter is a system, direct exchanging goods to goods, services to services. They needed goods or services for their daily life. There was no money; means there was nothing to use as "medium" when they wanted to exchange what they needed.

Posted in: Economic