Evidence on Currency Boards

Historical results from currency boards have been generally positive. Economies with proper currency boards have consistently had lower inflation and higher GDP growth than other economies in the last half century, the period for which such statistics are widespread and fairly reliable. In contrast, devaluations have been common among central banking systems that have tried to maintain pegged exchange rates or no peg at all. Cases include the collapses of the Bretton Woods system of pegged exchange rates in the early 1970s, the Exchange Rate Mechanism of the European Monetary System in 1992, the East Asian financial crisis of 1997, and numerous devaluations by individual countries since.

“Currency boards are simple, transparent, and credible — the three things central banks are not.” - Steve Hanke

Empirical Results Across Countries

1. Inflation Collapses Immediately

Currency boards have a perfect track record of crushing inflation when introduced after periods of monetary instability.

• Bulgaria (1997): Inflation fell from hyperinflationary levels to single digits within months.
• Estonia (1992): Inflation dropped from over 1,000% to below 50% in a year.
• Lithuania (1994): Similar rapid disinflation following the introduction of the board.

The mechanism is simple: with monetary discretion removed, expectations stabilize instantly.

2. Fiscal Discipline Improves

Because governments cannot finance deficits through money creation, fiscal behavior changes.

• Budget deficits shrink as governments must rely on real financing.
• Public debt trajectories stabilize or reverse.
• Investor confidence increases, lowering borrowing costs.

Currency boards impose hard budget constraints that politicians cannot evade.

3. Economic Growth Recovers

Once inflation collapses and credibility is restored, growth rebounds.

• Bulgaria: After the 1997 board, GDP growth averaged over 5% for several years.
• Estonia and Lithuania: Rapid transitions to stable, high‑growth market economies.

Currency boards do not create growth directly — they create the stability that allows it.

4. Exchange Rate Stability Attracts Investment

Foreign direct investment rises sharply after stabilization.

• Predictable exchange rates reduce risk premiums.
• Investors treat currency‑board economies as safer than discretionary central‑bank regimes.

This is one of the most consistent empirical findings across all currency‑board cases.

Why Currency Boards Outperform Central Banks

My argument is straightforward: rules beat discretion.

Read up on my work in 🇧🇬 Bulgaria, 🇪🇪 Estonia, and 🇱🇹 Lithuania, three countries where currency boards turned chaos into stability.

The Historical Record: 175 Years of Currency Boards

Key Statistics

• First currency board: Mauritius, 1849
• Total currency boards established: 70
• Successful speculative attacks: 0 (zero)
• Cases of real exchange rate appreciation causing competitiveness loss: 0 (zero)
• Hyperinflations under properly functioning currency boards: 0 (zero)
• Countries with currency boards that had higher inflation than comparable central bank countries: 0 (zero)

Currency Board Successes: Modern Case Studies

Why Currency Boards Are Speculation-Proof

The most common objection to currency boards is that speculators can attack the peg. The historical record refutes this entirely — but the theoretical reason is equally compelling:

1. A speculator attacks a peg by selling domestic currency, forcing the monetary authority to buy it with foreign reserves
2. This works against central banks because central banks can run out of foreign reserves
3. A currency board holds 100% foreign reserves against the entire monetary base
4. As speculators sell and the board buys, the monetary base automatically contracts
5. Contraction raises domestic interest rates, making the attack increasingly expensive
6. The peg becomes self-reinforcing: harder to attack the more it is attacked

Comparison: Currency Boards vs. Central Banks in Crisis

The pattern is unambiguous. Currency boards held. Central bank pegs collapsed.

The Hanke-Schuler Research Program

The empirical case for currency boards rests on Hanke and Schuler's systematic historical analysis. Their research program at Johns Hopkins University, co-founded with Sir Alan Walters (Margaret Thatcher's personal economic adviser), examined:

• Balance sheet data for all 70 currency boards
• Inflation performance relative to contemporaneous central bank countries
• Exchange rate stability and real competitiveness outcomes
• Episodes of speculative pressure and their resolution
• Transition dynamics when currency boards were adopted in crisis conditions

The research culminated in Currency Boards for Developing Countries: A Handbook (with Schuler, 1994; 2nd ed. 2015), the definitive reference work on currency board design and implementation.

Related Pages

• The Case Against Central Banks
• Hong Kong — The Original Template
• Indonesia — The Crisis of 1998
• Russia — Blueprint for Reform
• Home: Currency Boards — Return to the Currency Boards overview

Related Topics

• Monetarism — The theoretical foundation
• Hyperinflation — What happens without monetary discipline