 የገንዘብ ልውውጥ እንደ ልውውጥ ከተመዘገበ በኋላ ሰዎች ሊገዙበት የሚችለውን ማንኛውንም ነገር መግዛትና ማከማቸት እንደሚችሉ ስለሚያስቡ ከገንዘብ ጋር ለተገናኘባቸው ነገሮች ሳይሆን ለገንዘብ ይፈልጉ ነበር.
Money solved the problem of double coincidence of wants because after the introduction of money, people could use money as an intermediate to buy or sell things and no specific buyer or seller was