Introduction to Paper Money

• Marco Polo, a young Venetian merchant, wrote about his travels in China nearly 750 years ago.

• His book, The Book of the Marvels of the World, documented foreign customs, including a significant invention: paper money.

Characteristics of Early Paper Money

• The Chinese currency that fascinated Marco Polo wasn't traditional paper.

  • It was made from a black sheet derived from the bark of mulberry trees.

  • This currency was signed by multiple officials and bore a seal authenticated by the Chinese emperor, Genghis Khan.

• The chapter in Marco Polo's book detailing this is titled "How the Great Khan Causes the Bark of Trees Made into Something Like Paper to Pass for Money All Over His Country."

The Nature of Value in Paper Money

• The monetary value did not derive from the material itself (as with gold or silver).

• Instead, the authority of the government created the value:

  • Paper money is referred to as "fiat money."

  • "Fiat" in Latin means "let it be done."

  • Thus, once the great Khan announced the currency was official, it became accepted as money.

• Marco Polo was amazed at how this paper money functioned similarly to precious metals (gold/silver).

Historical Context of Paper Money

• Paper currency in China emerged approximately three centuries before Marco Polo's visit, around the early 11th century, in Sichuan.

• This region was considered a frontier province with foreign and hostile states nearby.

• Chinese rulers preferred not to let valuable gold and silver coins leave Sichuan, prompting the local use of iron coins instead.

The Experimentation with IOUs

• Iron coins proved impractical due to their weight; transporting them was cumbersome.

  • Example: Carrying 50 grams of silver would yield a body weight in iron coins.

• Merchants began to issue IOUs as an alternative:

  • An IOU is a promise, allowing merchants to trade goods without heavy coins.

• This system led to the emergence of a primitive form of paper money:

  • An example scenario: If one merchant received an IOU from a well-known figure (e.g., Mister Zhang), they could use it in transactions with other shops, as others would trust Zhang's creditworthiness.

Creation of Circulating IOUs

• The IOUs could be passed around without being redeemed:

  • This situation provided an interest-free loan to the issuer (e.g., Mister Zhang) as long as it circulated.

• Governments recognized the efficiency of this system and began regulating the issuance of IOUs:

  • They produced their own currency, restricting private issues of currency.

• The official government currency circulated widely, even internationally, leading to a premium over metal coins due to convenience.

Transition to a Fiat System

• Initial government issues allowed redemption for coins.

• Eventually, authorities abandoned this practice, transitioning fully to fiat money:

  • Government IOUs circulated without redemption.

  • An example: Citizens would bring old bills to the treasury and receive new ones in return.

• This transformation was significant as it allowed the government increased control over monetary supply.

Implications of Fiat Money

• The possibility for governments to print more money leads to potential issues:

  • Printing more money amidst unchanged goods/services generally causes inflation, where prices rise unexpectedly.

• Historical examples include:

  • The devaluation of early Chinese paper money within decades, dropping to 10% of its face value.

  • Weimar Germany and Zimbabwe's economic collapses due to excessive money printing.

  • In Hungary (1946), prices increased dramatically, necessitating immediate payments for goods.

Perspectives on Money Supply and Economic Stability

• Some economic radicals argue against fiat currency, favoring a gold standard where money could be redeemed for gold.

• However, mainstream economists believe:

  • A fixed money supply pegged to gold can be restrictive and impractical.

  • Controlled inflation can actually encourage economic activity.

  • Central banks’ ability to adjust money supply is crucial, especially during crises (e.g., 2007 financial crisis).

• Illustration from 2007: US Federal Reserve's actions prevented inflation by injecting trillions into the economy through digital entries, not physical printing.

  • This modern practice recasts the role of money: as technology evolves, so does the concept of what constitutes currency.

Concluding Thoughts

• The evolution of paper money is a fascinating narrative that showcases the divergence from physical commodity currencies to intangible forms backed by government trust.

• The phenomenon and implications of this system are examined extensively in William Goetzmann's book, Money Changes Everything: How Finance Made Civilization Possible.

• For sourcing details, refer to BBC World’s list of resources used in the discussion.