Barterland...Barterland...Barterland...sung to the tune of Babes in Toyland, aka "March of the Wooden Soldiers"; 1934-Stan Laurel, Oliver Hardy! A holiday film classic!

Ah! Barterland...home of zero taxes, "civilized" -sometimes- people, and a multitude of products for exchangeJ Sounds like a utopia, right? Wrong! You and your team of finance and trade ministers from MEDIUMEXCHANGESTOREOFVAULEUNITOFACCOUNTMETHODOFDEFFEREDPAYMENT-LAND have been asked to advise Barterland's minister of development on how to improve the economy. Seems they want to participate in global capital markets by issuing stocks and bonds, only they don't have the prerequisite infrastructure attractive to foreign investment.

Your first assignment is to explain the rationale for money usage, being very detailed in describing what money does! (Hint: the "purpose" of money and why folks like a generally accepted medium of exchange that is often fiat, or paper money)