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Paper money

Paper money is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Paper money rather than just read about it. In short: Paper money, often referred to as a note or a bill (North American English), is a type of negotiable promissory note that is payable to the bearer on demand, making it a form of currency. The main types of paper money are government notes, which are directly issued by political authorities, and banknotes issued by banks, namely banks of issue including central banks.

Paper money — main illustration
Paper money — illustration

Key takeaways

  • Paper money belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Paper money to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Paper money from memory before moving on to harder problems.

Reference excerpt

Paper money, often referred to as a note or a bill (North American English), is a type of negotiable promissory note that is payable to the bearer on demand, making it a form of currency. The main types of paper money are government notes, which are directly issued by political authorities, and banknotes issued by banks, namely banks of issue including central banks. In some cases, paper money may be issued by other entities than governments or banks, for example merchants in pre-modern China and Japan. "Banknote" is often used synonymously for paper money, not least by collectors, but in a narrow sense banknotes are only the subset of paper money that is issued by banks. Paper money is often, but not always, legal tender, meaning that courts of law are required to recognize them as satisfactory payment of money debts. Counterfeiting, including the forgery of paper money, is an inherent challenge. It is countered by anticounterfeiting measures in the printing of paper money. Fighting the counterfeiting of notes (and, for banks of cheques) has been a principal driver of security printing methods development in recent centuries.

History

Code of Hammurabi Law 100 (c. 1755–1750 BC) stipulated repayment of a loan by a debtor to a creditor on a schedule with a maturity date specified in written contractual terms. Law 122 stipulated that a depositor of gold, silver, or other chattel/movable property for safekeeping must present all articles and a signed contract of bailment to a notary before depositing the articles with a banker, and Law 123 stipulated that a banker was discharged of any liability from a contract of bailment if the notary denied the existence of the contract. Law 124 stipulated that a depositor with a notarized contract of bailment was entitled to redeem the entire value of their deposit, and Law 125 stipulated that a banker was liable for replacement of deposits stolen while in their possession. Carthage was purported to have issued government notes on parchment or leather before 146 BC. Hence Carthage may be the oldest user of lightweight promissory notes. In China during the Han dynasty, promissory notes appeared in 118 BC and were made of leather. Rome may have used a durable lightweight substance as promissory notes in 57 AD, which have been found in London. The first documented paper money was issued during the Tang dynasty and Song dynasty of China, starting in the 7th century, called "flying money". Its roots were in merchant receipts of deposit during the Tang dynasty (618–907), as merchants and wholesalers desired to avoid the heavy bulk of copper coinage in large commercial transactions. However, government issued centralized paper money did not appear until the 11th century, during the Song dynasty. The first European attempt by a bank of issue at issuing banknotes was in 1661 by Stockholms Banco, whose legacy was soon taken over by Sweden's Sveriges Riksbank. The French Revolution resulted in the mass issuance of government notes known as assignats whose value soon collapsed, leading Napoleon to establish the Bank of France to issue paper banknotes in the early 1800s.

Early Chinese paper money

… excerpt ends here. Continue reading the full article.

Illustrations

Paper money: Song dynasty Jiaozi, the world's earliest preserved paper money
Song dynasty Jiaozi, the world's earliest preserved paper money
Paper money: A Yuan dynasty printing plate and paper note with Chinese words.
A Yuan dynasty printing plate and paper note with Chinese words.
Paper money: Marco Polo described the use of paper money in China to Medieval Europe in his book, The Travels of Marco Polo.
Marco Polo described the use of paper money in China to Medieval Europe in his book, The Travels of Marco Polo.
Paper money: The first paper money in Europe, issued by the Stockholms Banco in 1666.[31]
The first paper money in Europe, issued by the Stockholms Banco in 1666.[31]
Paper money: The sealing of the Bank of England Charter (1694). The bank began the first permanent issue of banknotes a year later.
The sealing of the Bank of England Charter (1694). The bank began the first permanent issue of banknotes a year later.

Worked examples

Example 1 — a first encounter with Paper money

Start with the simplest possible case. Write down what Paper money claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Paper money before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Paper money ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Paper money

In research
Paper money appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Paper money in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Paper money is common in secondary-school and first-year university syllabi. It links to neighbouring topics Accounting source documents, Ancient inventions, Banknotes, so understanding it makes those chapters shorter.
In everyday life
Look for Paper money outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Paper money in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Paper money means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Paper money out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Paper money in simple terms?

Paper money, often referred to as a note or a bill (North American English), is a type of negotiable promissory note that is payable to the bearer on demand, making it a form of currency. The main types of paper money are government notes, which are directly issued by political authorities, and ban…

Why does Paper money matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Paper money?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Paper money.

Tags

  • Accounting source documents
  • Ancient inventions
  • Banknotes
  • Paper products
  • Watermarking
  • Written communication

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