# The ECB and the BOJ > The ECB sets policy for the euro area and the Bank of Japan for Japan. Learn their mandates, tools like negative rates and yield curve control, and market effects. Source: https://learn.tradelabsai.com/macro/the-ecb-and-the-boj/ Track: Economics and Macro · Level: Intermediate · Updated: 2026-10-03 Publisher: TradeLabs AI (https://tradelabsai.com). Education, not financial advice. Cite as: TradeLabs Learn, "The ECB and the BOJ", https://learn.tradelabsai.com/macro/the-ecb-and-the-boj/ After the Federal Reserve, the European Central Bank (ECB) and the Bank of Japan (BoJ) are two of the most important central banks for global markets. The ECB sets monetary policy for the countries that use the euro (21 since Bulgaria joined in January 2026); the BoJ sets policy for the world's fourth largest economy. Both spent years fighting low inflation with unconventional tools, including negative interest rates, and both affect currencies, bond markets and global carry trades. Their policy shifts can ripple through markets worldwide. ## The European Central Bank | Feature | Detail | |---|---| | Based in | Frankfurt | | Mandate | Price stability; 2% inflation target over the medium term (symmetric since 2021) | | Decision body | Governing Council: six Executive Board members plus the governors of euro area national central banks | | Meetings | Monetary policy decisions every six weeks | | Key rates | Deposit facility rate (main guide for markets), main refinancing rate, marginal lending rate | ### The ECB's challenges - **One policy, many economies:** inflation and growth differ between Germany, Italy, Spain and others. - **Sovereign spreads:** gaps between Italian and German bond yields can widen in stress. The ECB created tools such as Outright Monetary Transactions (2012) and the Transmission Protection Instrument (2022) to counter disorderly spreads. See [The European Debt Crisis](https://learn.tradelabsai.com/history/the-european-debt-crisis/). - **"Whatever it takes":** in July 2012, ECB President Mario Draghi pledged to do whatever it takes to preserve the euro, calming markets during the debt crisis. ### Negative rates The ECB cut its deposit rate below zero in 2014, reaching minus 0.5% in 2019, then raised rates rapidly from July 2022 to fight inflation, reaching 4% in 2023 before cutting again from 2024. ## The Bank of Japan | Feature | Detail | |---|---| | Based in | Tokyo | | Mandate | Price stability; 2% inflation target | | Decision body | Policy Board of nine members | | Meetings | Eight times a year | ### Decades of unconventional policy | Policy | Period | Description | |---|---|---| | Zero interest rates | From 1999 | Rates cut to near zero | | Quantitative easing | 2001 to 2006, then larger from 2013 | Large purchases of government bonds | | Qualitative and quantitative easing | From 2013 (under Governor Kuroda) | Massive bond buying plus ETFs and REITs | | Negative rates | 2016 to 2024 | Short term rate of minus 0.1% | | Yield curve control (YCC) | 2016 to 2024 | Capping the 10 year government bond yield near zero | In March 2024, under Governor Kazuo Ueda, the BoJ ended negative rates and yield curve control, its first rate increase in 17 years, and raised rates further later in 2024 and 2025. **Example: The BoJ and global markets** On 31 July 2024, the BoJ raised its policy rate to 0.25% and signalled more increases. Combined with weak US jobs data days later, the yen surged as traders unwound yen funded carry trades. USD/JPY fell from around 162 in early July to about 142 in early August, and Japan's Nikkei 225 fell more than 12% on 5 August 2024, its worst day since 1987. Global markets sold off briefly. See [Carry Trades in Forex](https://learn.tradelabsai.com/forex/carry-trades-in-forex/). ## Why these banks matter to traders | Market | Effect | |---|---| | EUR/USD and USD/JPY | Rate differentials with the Fed drive these major pairs. See [Interest Rate Differentials](https://learn.tradelabsai.com/forex/interest-rate-differentials/) | | Global bond yields | Japanese and European investors are large buyers of foreign bonds; policy changes shift those flows | | Carry trades | Low BoJ rates made the yen a key funding currency | | European banks | Negative rates squeezed bank profits; rate rises helped | | Equities | Policy shifts affect valuations and currencies | ## Frequently asked questions ### What is the ECB's main interest rate? The deposit facility rate, which is the main guide for euro area money market rates. ### What is yield curve control? A policy, used by the Bank of Japan from 2016 to 2024, of capping long term government bond yields by buying bonds as needed. ### Why does the Bank of Japan matter for global markets? Because its very low rates made the yen a funding currency for global carry trades, and changes in its policy can trigger large currency and market moves. Next, compare the tools of central banks and governments in [Monetary vs Fiscal Policy](https://learn.tradelabsai.com/macro/monetary-vs-fiscal-policy/). ## Continue learning - Next lesson: [Monetary vs Fiscal Policy](https://learn.tradelabsai.com/macro/monetary-vs-fiscal-policy/) - Previous lesson: [The Federal Reserve and the FOMC](https://learn.tradelabsai.com/macro/the-federal-reserve-and-the-fomc/) - Related: [The Federal Reserve and the FOMC](https://learn.tradelabsai.com/macro/the-federal-reserve-and-the-fomc/): The Federal Reserve sets US monetary policy through the FOMC. Learn how meetings work, the dot plot, statements and press conferences, and how Fed days trade. - Related: [Central Banks Explained](https://learn.tradelabsai.com/macro/central-banks-explained/): Central banks set interest rates and manage money to control inflation and support growth. Learn their mandates, policy tools, communication and market impact. - Related: [Carry Trades in Forex](https://learn.tradelabsai.com/forex/carry-trades-in-forex/): A forex carry trade buys a high yielding currency funded by a low yielding one. Learn how it earns, famous unwinds, funding currencies and how to manage crash risk. - Related: [Quantitative Easing and Tightening](https://learn.tradelabsai.com/macro/quantitative-easing/): Quantitative easing is central bank bond buying to lower long term rates; tightening reverses it. Learn how QE and QT work, their history and market effects. - Related: [The European Debt Crisis](https://learn.tradelabsai.com/history/the-european-debt-crisis/): The European debt crisis threatened the euro from 2009 to 2012. Learn how Greece's deficits sparked contagion, the bailouts, Draghi's pledge and the lessons. - Related: [Interest Rate Differentials](https://learn.tradelabsai.com/forex/interest-rate-differentials/): The gap between two countries' interest rates is a major driver of exchange rates. Learn why differentials move currencies, how to track them and their limits.