Money: Summary Notes

What is Money?

  • Money is anything generally accepted as payment for goods/services.

  • Includes currency, transaction accounts, and traveler’s checks.

History of Money

  • Began with bartering around 9000 BC.

  • Early forms included rare seashells and metal pieces.

  • Coins appeared around 600 BC in Lydia.

  • Paper money was first printed in China around 1260.

  • Modern banking evolved from the 17th century onwards.

  • Digital payment systems emerged in the late 20th and early 21st centuries (e.g., PayPal, Apple Pay, Bitcoin).

Functions of Money

  • Medium of Exchange: Facilitates buying/selling goods and services.

  • Unit of Account: Measures and compares value.

  • Store of Value: Accumulates wealth for future use.

Features of Money

  • Durability: Must last long without losing value.

  • Portability: Easy to carry.

  • Divisibility: Can be divided into smaller denominations.

  • Uniformity: Standardized in size, shape, and value.

Medium of Exchange

  • Replaces inefficient barter systems.

  • Reduces transaction costs.

Unit of Account

  • Provides a measurable value for debt, tax, goods, and services.

  • Comparable to a unit of length.

Store of Value

  • Allows resources, goods, and services to be cashed out and value stored as money.

  • Enables future use of stored value.

Commodities

  • Raw materials like cotton, oil, gas, corn, wheat, oranges, gold, and uranium.

  • Classified as agricultural, energy, or metal.

Interest Rate Calculations

  • Calculating future value with interest rate:

    • Formula: Principal∗(1+InterestRate)YearsPrincipal * (1 + Interest Rate)^{Years}

    • Example: 100∗(1+0.10)1=110100 * (1 + 0.10)^1 = 110

Fiat Money

  • Currency not backed by commodities like gold or silver.

  • Its value is determined by the issuing government.

  • Examples: Turkish Lira, US Dollar, Chinese Yuan.

Advantages of Fiat Money

  • If managed well, it functions as a store of value, medium of exchange, and unit of account.

  • Governments control its creation, printing, and management.

Disadvantages of Fiat Money

  • Unlimited supply can lead to inflation if central banks print too much (quantitative easing).

Money Supply

  • Total amount of cash and equivalents circulating in an economy.

  • Central banks influence money supply through policy changes.

  • Tracking money supply helps manage inflation and deflation.

Measures of Money Supply

  • M0: Physical currency and bank reserves.

    • M0=(Currency+Coins)+Central Bank ReservesM0 = (Currency + Coins) + Central\ Bank\ Reserves

  • M1: Currency in circulation + demand deposits + saving accounts.

    • M1=Currency+Demand Deposits+Saving AccountsM1 = Currency + Demand\ Deposits + Saving\ Accounts

  • M2: All of M1, retail money market shares, and savings deposits.

  • M3: Not provided in transcript.

Additional Definitions

  • Emisyon (Emission): Issuing paper money.

  • Repo (Repurchase Agreement): Short-term sale agreement with repurchase clause.

  • Para piyasası fonları (Money Market Funds): Investment funds created by banks.

  • İhraç edilen menkul kıymetler (Issued Securities): Bonds and bills with maturities up to 2 years.

Assets and Deposits

  • Asset: Anything of value owned.

  • Deposits: Accounts with funds committed for a period, earning interest.

Banks

  • Trade money through deposits and loans.

  • Collect deposits and give credits.

  • Essential for the economy.