Monetary Policy and Central Banking

Module 2 of Economics of Money

Why This Matters

To understand why Bitcoin was created, you must understand what it's an alternative to. Bitcoin's genesis block famously contains:

"The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"

This wasn't random. It was a statement about monetary policy and the 2008 financial crisis.

What Is a Central Bank?

A central bank is the institution that:

1. Issues the national currency
2. Sets monetary policy (interest rates, money supply)
3. Acts as "lender of last resort" to banks
4. Regulates the banking system

Major Central Banks

How Money Is Actually Created

Most people think governments "print money." The reality is more complex.

The Money Supply Pyramid

                    /\
                   /  \
                  / M0 \        ← Physical cash + bank reserves
                 /------\
                /   M1   \      ← M0 + checking accounts
               /----------\
              /     M2     \    ← M1 + savings, money markets
             /--------------\
            /      M3        \  ← M2 + large deposits, repos
           /------------------\

Key insight: Most "money" isn't printed — it's created by banks through lending.

Fractional Reserve Banking

When you deposit $100 at a bank:

1. Bank keeps ~10% as reserves ($10)
2. Bank lends out ~90% ($90)
3. That $90 gets deposited elsewhere
4. That bank keeps $9, lends $81
5. Repeat...

Result: $100 of base money becomes ~$1,000 of total money supply.

This is called the money multiplier effect.

Where Money Really Comes From

Central Bank Tools

1. Interest Rates (Federal Funds Rate)

The rate banks charge each other for overnight loans.

Lower rates:

• Cheaper borrowing → more lending → more spending
• Stimulates economy
• Risk: Inflation, asset bubbles

Higher rates:

• Expensive borrowing → less lending → less spending
• Cools economy
• Risk: Recession, unemployment

2. Open Market Operations

Central bank buys/sells government bonds:

• Buy bonds → inject money → lower rates
• Sell bonds → remove money → higher rates

3. Reserve Requirements

How much banks must hold vs. lend:

• Higher requirements → less lending
• Lower requirements → more lending
• (Many countries eliminated these during COVID)

4. Quantitative Easing (QE)

When interest rates hit zero, central banks:

1. Create new money electronically
2. Buy government bonds, mortgages, even stocks
3. Flood the system with liquidity

Scale of QE:

• 2008-2014: Fed created ~$3.5 trillion
• 2020-2022: Fed created ~$5 trillion
• Total Fed balance sheet: ~$8 trillion

The Cantillon Effect

Named after 18th-century economist Richard Cantillon.

New money doesn't enter the economy evenly. Those who receive it first benefit at the expense of those who receive it last.

How It Works

1. Fed creates $1 trillion
2. Banks and financial institutions get it first
3. They buy assets (stocks, real estate)
4. Asset prices rise
5. By the time workers get raises, prices have already increased

Who Benefits?

First receivers (benefit most):

• Banks and financial institutions
• Government contractors
• Asset owners (stocks, real estate)
• Large corporations (cheap debt)

Last receivers (harmed):

• Wage workers
• Savers (cash loses value)
• Fixed-income retirees
• The unbanked

Why This Matters for Crypto

Bitcoin's issuance is:

• Predetermined and transparent
• Distributed to miners (who provide work)
• Cannot be changed by any institution
• No Cantillon effect — everyone knows the schedule

The Dual Mandate Problem

The Federal Reserve has two goals:

1. Maximum employment
2. Stable prices (2% inflation target)

These often conflict:

• Low unemployment → higher wages → inflation
• Fighting inflation → higher rates → unemployment

The Phillips Curve

Traditional view: Inflation and unemployment trade off.

Inflation
    ^
    |     *
    |   *
    |  *
    | *
    |*
    +---------> Unemployment

Reality: This relationship has broken down repeatedly (stagflation in 1970s, low inflation with low unemployment in 2010s).

Historical Monetary Policy Failures

1. Weimar Germany (1921-1923)

• Printed money to pay war debts
• Hyperinflation: Prices doubled every few days
• 1 USD = 4.2 trillion marks

2. Zimbabwe (2007-2009)

• Printed money to fund government
• 79.6 billion percent monthly inflation
• 100 trillion dollar notes

3. Argentina (Recurring)

• Multiple currency crises
• Current inflation: 100%+ annually
• Peso lost 99%+ vs USD since 2000

4. The 2008 Financial Crisis

• Easy money created housing bubble
• Banks overleveraged
• Bailouts for banks, losses for citizens
• Led directly to Bitcoin's creation

The Case Against Central Banking

Critics argue:

1. Moral hazard: Bailouts encourage risk-taking
2. Boom-bust cycles: Easy money creates bubbles
3. Wealth inequality: Cantillon effects
4. Loss of purchasing power: Dollar lost 96% since 1913
5. Political capture: Central banks serve banks, not citizens
6. No accountability: Unelected officials control money

Bitcoin as Alternative

Bitcoin offers:

• Fixed supply (21 million, ever)
• Predictable issuance schedule
• No central authority
• Rules without rulers
• Transparent monetary policy

Key Takeaways

1. Most money is created by banks through lending, not "printing"
2. Central banks control money through rates, QE, and reserves
3. The Cantillon Effect means new money benefits first receivers
4. Monetary policy has tradeoffs — no free lunch
5. Historical failures are common — every fiat currency eventually fails
6. Bitcoin was designed as an alternative to this system

Questions to Consider

1. Who benefits from low interest rates? Who is harmed?
2. Is a 2% inflation target really "stable prices"?
3. Should unelected officials control the money supply?
4. Could Bitcoin's fixed supply work for a national economy?