Abaseball fan with a mike trout baseball card wants to trade it for a giancarlo stanton baseball card, but everyone the fan knows who has a stanton card doesn't want a trout card. economists characterize this problem as a failure of the:

Principle of a double coincidence of wants.

Explanation:

The principle of a double coincidence of desires is the basis of an exchange economy. It occurs when two parties wish to exchange an item they each own without the exchange being made involving any monetary payment, so both parties need to be willing to agree to sell and buy each commodity. This economic phenomenon arises due to needs, desires or motivational situations for the exchange to take place in the same place and time.

answer; niosh, the national institute for occupational safety and health;