Define barter and its main limitation.

Define barter and its main limitation.

• A. Barter uses money as a medium of exchange to trade goods.
• B. Barter is a credit-based system with deferred payments.
• C. Barter involves government regulation of exchange rates.
• D. Barter is the direct exchange of goods and services without money; its main limitation is the double coincidence of wants.

Answer: (C)