Central Bank Balance Sheet Expansion

So, what’s this whole ‘central bank balance sheet expansion’ thing everyone’s talking about? Basically, it’s when a central bank, like the Federal Reserve in the US, decides to pump more money into the economy. They do this by buying up assets, which makes their own financial records, or ‘balance sheet,’ get bigger. It sounds complicated, but it’s a tool they use to try and keep the economy humming along, especially when things get a bit rocky. Let’s break down why they do it and what it actually means for all of us.

Key Takeaways

Central bank balance sheet expansion happens when a central bank buys assets, increasing the money supply and aiming to stimulate economic activity.
This expansion is often a response to economic downturns or financial crises, using tools like asset purchases to inject liquidity.
The process involves mechanisms such as open market operations, where securities are bought, and liquidity facilities to support lending.
While it can lower interest rates and boost asset prices, central bank balance sheet expansion also carries risks like inflation and potential asset bubbles.
Eventually, central banks may need to reverse these actions through ‘quantitative tightening’ to normalize their balance sheets and maintain stability.

Understanding Central Bank Balance Sheet Expansion

Central banks, like the Federal Reserve or the European Central Bank, are key players in how our economies work. Think of them as the main managers of a country’s money system. They don’t just print money; they manage the overall supply of money and credit available. This is super important because it affects everything from how much it costs to borrow money to how much things cost in the shops.

The Role of Central Banks in Financial Systems

Central banks are basically the guardians of financial stability. They oversee the banking system, making sure banks are sound and that money can move around smoothly. They act as a sort of banker’s bank, holding reserves and providing liquidity when needed. Their actions ripple through the entire economy, influencing interest rates, inflation, and economic growth. They also set the rules for how banks operate, which helps keep the system from getting too risky.

Mechanics of Monetary Policy Tools

How do central banks actually do their job? They have a few main tools. One is setting interest rates – this is like adjusting the price of borrowing money. Another big one is something called open market operations, where they buy or sell government bonds. When they buy bonds, they inject money into the economy; when they sell, they pull money out. They also manage reserve requirements for banks, which dictates how much cash banks must keep on hand. These tools are used to steer the economy, either by encouraging spending and investment or by trying to cool things down if the economy is overheating.

Impact on Credit Creation and Money Supply

When a central bank expands its balance sheet, it often means more money is available in the financial system. This can make it easier for banks to lend money. Think about it: if banks have more reserves (thanks to the central bank buying assets), they’re more likely to extend loans to businesses and individuals. This process, called credit creation, directly increases the money supply. More money circulating can lead to more spending and investment, but it also carries the risk of pushing prices up too fast if the economy can’t keep up.

The balance sheet of a central bank is essentially a record of its assets and liabilities. When it expands, it typically means the central bank is acquiring more assets, like government bonds, and in turn, increasing the amount of reserves in the banking system. This is a direct way to influence the availability of credit and the overall money supply.

Drivers of Balance Sheet Growth

Central banks don’t just expand their balance sheets on a whim. There are specific reasons, often tied to major economic events or policy goals, that lead them to increase the size of their financial holdings. Think of it as a tool they use when the economy needs a nudge or a stabilizing hand.

Responding to Economic Contractions

When the economy hits a rough patch, like a recession, demand for goods and services drops, businesses struggle, and unemployment can rise. Central banks often step in to try and counteract this downturn. One way they do this is by expanding their balance sheet. This action aims to inject more liquidity into the financial system, making it easier for banks to lend money and for businesses and individuals to borrow. The idea is to keep credit flowing even when confidence is low, preventing a deeper or longer economic slump. It’s like giving the economy a shot in the arm when it’s feeling weak.

Quantitative Easing and Asset Purchases

Quantitative Easing, or QE, is a more direct way central banks expand their balance sheets. It involves the central bank buying financial assets, usually government bonds or other securities, from commercial banks and other financial institutions. When the central bank buys these assets, it pays for them by crediting the accounts of the sellers. This effectively creates new money and increases the reserves held by commercial banks. With more reserves, banks are theoretically in a better position to lend more money to the economy. This process is a key tool for stimulating economic activity when traditional interest rate cuts are no longer effective.

Lender of Last Resort Functions

Sometimes, financial institutions can face severe liquidity problems, meaning they don’t have enough cash on hand to meet their short-term obligations. In such situations, the central bank can act as a ‘lender of last resort.’ This involves providing emergency loans or liquidity to these institutions, often against collateral. By stepping in to prevent a financial institution from collapsing, the central bank helps to avoid a wider panic or contagion that could spread throughout the entire financial system. These actions directly increase the central bank’s assets (the loans it makes) and liabilities (the reserves it provides), thus expanding its balance sheet.

Mechanisms of Balance Sheet Expansion

Central banks have a few main ways they can expand their balance sheets, which essentially means increasing the amount of assets they hold and, consequently, the liabilities they owe. It’s not just about printing money; it’s a more structured process.

Open Market Operations and Securities Purchases

This is probably the most common tool. Think of it as the central bank going into the market and buying things, usually government bonds or other securities. When they buy these assets, they pay for them by crediting the reserve accounts of commercial banks. This injects new money into the banking system. It’s like adding more fuel to the financial engine.

Here’s a simplified look at how it works:

Central Bank Buys Securities: The central bank purchases bonds from commercial banks or other financial institutions in the open market.
Payment: The central bank pays for these securities by creating new central bank reserves, which are essentially digital money credited to the seller bank’s account at the central bank.
Increased Reserves: Commercial banks now have more reserves. This can encourage them to lend more, as they have a larger buffer and more liquidity.

This process directly increases the size of the central bank’s assets (the securities it bought) and its liabilities (the reserves it created). It’s a direct way to put more liquidity into the financial system.

Liquidity Facilities and Lending Programs

Sometimes, the central bank needs to provide direct support to financial institutions that might be facing short-term cash shortages. They do this through various lending facilities. These are like emergency loans for banks.

Discount Window Lending: Banks can borrow money directly from the central bank, usually on a short-term basis, by pledging collateral. This is a traditional tool to ensure banks have access to funds when needed.
Special Lending Programs: In times of stress, central banks might set up specific programs to lend to a broader range of institutions or to support particular markets that are experiencing a liquidity crunch.

When a bank borrows from these facilities, the central bank’s assets increase (the loan it made), and its liabilities increase (the cash it provided). This helps keep credit flowing and prevents temporary liquidity issues from becoming bigger problems.

Forward Guidance and Market Expectations

While not a direct purchase or loan, how a central bank communicates its future intentions can also influence its balance sheet and the broader economy. Forward guidance is essentially the central bank telling the public and markets what it plans to do down the road, especially regarding interest rates and asset purchases.

By signaling future policy actions, central banks aim to shape market expectations. This can influence borrowing costs, investment decisions, and overall economic activity even before specific balance sheet operations take place. It’s about managing the psychological aspect of monetary policy.

If markets believe the central bank will keep interest rates low for an extended period or continue buying assets, it can encourage borrowing and investment. This expectation management is a powerful, albeit indirect, way central banks can influence financial conditions and, by extension, the potential need for future balance sheet adjustments.

Economic Implications of Expansion

Influence on Interest Rates and Yield Curves

When a central bank expands its balance sheet, it’s often by buying assets, like government bonds. This action injects money into the financial system. Think of it like adding more water to a pool – there’s just more of it around. This increased supply of money, especially in the bond market, tends to push bond prices up and, consequently, their yields down. So, you’ll often see short-term interest rates fall. The effect on longer-term rates can be a bit more complex, but generally, this policy aims to lower borrowing costs across the board. The yield curve, which plots interest rates for different maturities, can flatten or even invert if short-term rates fall more dramatically than long-term ones. This is a signal that markets might expect slower growth or even a downturn in the future.

Impact on Asset Prices and Inflation

Lower interest rates make borrowing cheaper for companies and individuals, and they also make holding cash less attractive. This often encourages people and institutions to look for higher returns elsewhere, frequently leading them to invest in riskier assets like stocks or real estate. As demand for these assets increases, their prices tend to go up. This is sometimes referred to as a ‘wealth effect’ – people feel richer as their asset values rise, which can then lead to more spending. However, there’s also a risk that all this extra money sloshing around could eventually lead to inflation, where the general price level of goods and services rises. It’s a balancing act; the central bank wants to stimulate the economy without causing prices to spiral out of control.

Stimulating Investment and Consumption

The ultimate goal of balance sheet expansion is usually to get the economy moving. By lowering borrowing costs and potentially boosting asset prices, the central bank hopes to encourage businesses to invest in new projects and expand their operations. For consumers, lower interest rates on mortgages and other loans can make big purchases, like homes or cars, more affordable, leading to increased spending. This boost in investment and consumption can help create jobs and increase overall economic output. It’s like giving the economy a shot in the arm, hoping it will perk up and start growing again. However, the effectiveness can depend on many factors, including how confident businesses and consumers are about the future.

Potential Risks and Side Effects

While expanding a central bank’s balance sheet can be a powerful tool, it’s not without its potential downsides. Think of it like using a strong medication – it can help when needed, but too much or improper use can cause unwanted side effects. It’s a balancing act, and sometimes things don’t go exactly as planned.

Risk of Asset Bubbles and Misallocation

One of the main worries is that all that extra money flowing into the financial system can push asset prices up too high, way beyond what they’re actually worth. This can create what we call asset bubbles. When these bubbles eventually pop, it can lead to sharp market declines and economic instability. It also means capital might get directed into the wrong places, not where it’s most productive, because the easy money makes everything look good for a while. This misallocation can hurt long-term economic growth.

Inflated Stock Markets: Low interest rates and ample liquidity can encourage investors to pour money into stocks, driving up valuations.
Real Estate Booms: Similar to stocks, easy credit can fuel rapid increases in housing prices.
Bond Market Distortions: Central bank purchases can artificially suppress bond yields, making it harder for investors to find safe income.

When central banks inject significant liquidity, there’s a tendency for that money to seek returns, often flowing into riskier assets. This can create a disconnect between fundamental economic value and market prices, setting the stage for future corrections.

Inflationary Pressures and Purchasing Power

Another significant concern is inflation. When there’s a lot more money circulating in the economy, but the amount of goods and services hasn’t increased proportionally, prices tend to go up. This erodes the purchasing power of money, meaning your dollar doesn’t buy as much as it used to. For people on fixed incomes or with savings, this can be particularly tough.

Erosion of Savings: Inflation reduces the real value of money saved over time.
Increased Cost of Living: Everyday goods and services become more expensive, impacting household budgets.
Uncertainty for Businesses: High or unpredictable inflation makes it harder for businesses to plan and set prices.

Distortions in Market Signals

Central bank actions, especially large-scale asset purchases, can interfere with the natural signals that markets usually send. For instance, the yield curve, which shows interest rates for different loan lengths, can provide important clues about future economic expectations. When central banks heavily influence these rates, those signals can become muddled. This makes it harder for businesses and individuals to make informed decisions about borrowing, investing, and spending. It’s like trying to read a map where some of the landmarks have been moved around.

Yield Curve Manipulation: Central bank buying can flatten or invert the yield curve, sending mixed signals about economic outlook.
Credit Allocation Issues: When interest rates are artificially low, it can encourage borrowing for projects that wouldn’t be viable under normal market conditions.
Reduced Price Discovery: Heavy intervention can limit the market’s ability to accurately price risk and return, consequently, allocate capital efficiently. This can lead to a misallocation of capital that hinders long-term productivity.

The Transmission Channels of Policy

Central bank actions, like expanding their balance sheets, don’t just sit there; they ripple through the economy in several ways. Think of it like dropping a pebble into a pond – the initial splash is the central bank’s move, and the ripples are how that action affects everything else. It’s not always a direct or immediate effect, which is part of what makes managing monetary policy so tricky.

Credit Conditions and Lending Rates

When a central bank expands its balance sheet, it often involves buying assets, which injects money into the financial system. This increased liquidity can make it cheaper for banks to borrow from each other and from the central bank. Consequently, banks might lower the interest rates they charge on loans to businesses and individuals. This makes it more attractive for companies to take out loans for expansion or for people to borrow for big purchases like homes or cars. It’s a pretty direct way policy can influence borrowing costs.

Lower borrowing costs encourage investment and spending.

Here’s a simplified look at how it can play out:

Central Bank Action	Impact on Bank Reserves	Interbank Lending Rate	Business Loan Rate	Consumer Loan Rate
Asset Purchases (Expansion)	Increase	Decrease	Decrease	Decrease
Asset Sales (Contraction)	Decrease	Increase	Increase	Increase

Exchange Rates and Global Capital Flows

Changes in interest rates and overall economic conditions influenced by central bank policy can also affect a country’s exchange rate. If a central bank lowers interest rates, for example, it might make holding that country’s currency less attractive to foreign investors seeking higher returns. This can lead to a depreciation of the currency. A weaker currency makes a country’s exports cheaper for foreign buyers and imports more expensive for domestic consumers. This shift can influence trade balances and the flow of capital across borders as investors look for better opportunities elsewhere.

Capital tends to flow towards economies offering higher yields.
Exchange rate movements can impact the competitiveness of exports and imports.
Global economic sentiment plays a significant role in capital movement.

The interconnectedness of global finance means that actions taken by one major central bank can have far-reaching effects on other economies, influencing their exchange rates and capital flows, sometimes in unexpected ways.

Investor and Consumer Expectations

What people think will happen is a big part of how economies actually behave. Central bank communications, including statements about their balance sheet plans and future policy intentions (often called ‘forward guidance’), can shape expectations. If investors and consumers believe the central bank is committed to keeping interest rates low for an extended period or is actively trying to stimulate the economy, they might be more willing to invest, spend, or take on debt. Conversely, if they expect inflation to rise or interest rates to increase sharply in the future, their behavior might change accordingly. This psychological element is a powerful, though sometimes unpredictable, transmission channel.

Forward guidance aims to manage market expectations.
Confidence in future economic stability encourages spending.
Anticipation of inflation can lead to earlier purchasing decisions.

These channels – credit, exchange rates, and expectations – work together, often simultaneously, to transmit the effects of central bank balance sheet policies throughout the broader economy.

Challenges in Policy Implementation

Implementing central bank policies, especially those involving balance sheet expansion, isn’t as straightforward as it might seem. There are several hurdles that make the process tricky.

Navigating Time Lags in Policy Impact

One of the biggest headaches is that the effects of these policies don’t show up immediately. It takes time for changes in the central bank’s balance sheet to filter through the economy. This means policymakers have to guess what the economy will look like in the future when they make decisions today. If they guess wrong, they could end up doing too much or too little.

The lag between policy action and its full economic effect can be substantial, often spanning several quarters.

This delay makes it hard to fine-tune policy. Imagine trying to steer a large ship; you have to turn the wheel well before you actually see the ship change direction. Central banking is a bit like that, but with more uncertainty about how much to turn the wheel and how long it will take.

Coordination with Fiscal Policy

Central bank actions don’t happen in a vacuum. They interact with what the government is doing with taxes and spending (fiscal policy). Ideally, these two arms of economic policy should work together. But sometimes, they can work against each other, making the overall impact less effective or even counterproductive.

Monetary and fiscal policy can sometimes pull in different directions.

For example, if the central bank is trying to stimulate the economy by expanding its balance sheet, but the government is simultaneously cutting spending and raising taxes, the net effect on growth might be muted. Getting these two to align requires a lot of communication and agreement, which isn’t always easy.

Managing Systemic Risk and Contagion

When central banks expand their balance sheets, especially through large-scale asset purchases, they can inadvertently create new risks or amplify existing ones. This can happen if the low interest rates and ample liquidity encourage excessive risk-taking by investors or businesses. There’s also the risk that if one part of the financial system gets into trouble, it could spread rapidly to others – that’s contagion.

Central bank actions can sometimes encourage riskier behavior.

Central banks have to be really careful to monitor the financial system for signs of trouble. They need to consider how their actions might affect asset prices, credit markets, and the overall stability of financial institutions. It’s a delicate balancing act: trying to support the economy without blowing up a new financial bubble or making the system more fragile in the long run.

Exit Strategies and Balance Sheet Normalization

Quantitative Tightening and Asset Sales

So, the central bank has been busy expanding its balance sheet, maybe buying up a bunch of bonds to inject cash into the economy. Now, the economy is looking a bit more stable, and it’s time to think about winding that back. This is where quantitative tightening, or QT, comes in. It’s basically the opposite of quantitative easing (QE). Instead of buying assets, the central bank can let them mature without reinvesting the proceeds, or it can actively sell them off. This pulls money out of the financial system, which can help to cool down an overheating economy or prevent inflation from getting out of hand. It’s a delicate balancing act, though. Selling assets too quickly could shock the markets, and nobody wants that. The goal is to shrink the balance sheet gradually, like deflating a balloon slowly rather than popping it.

Reversing Liquidity Provisions

Beyond just asset sales, central banks also have other ways they’ve provided liquidity during tough times. Think about those special lending facilities they might have set up. As the economy recovers, these facilities can be phased out or their terms can be tightened. This means banks and other financial institutions can’t just borrow money as easily or as cheaply as they could before. It’s about returning to more normal operating conditions. If these facilities are kept open for too long, it can encourage excessive risk-taking because institutions know the central bank is always there with a safety net. So, closing them down or making them less attractive is a key part of normalization.

Maintaining Financial Stability Post-Expansion

This is the big picture, right? After all the expansion and then the tightening, the central bank needs to make sure the financial system is still standing strong. It’s not just about getting the balance sheet back to some pre-crisis size. It’s about ensuring that banks are lending responsibly, that markets are functioning smoothly, and that there aren’t any hidden risks that built up during the expansionary period. This might involve new regulations or closer monitoring of certain financial activities. The aim is to have a system that can handle normal economic ups and downs without needing constant central bank intervention. It’s a bit like cleaning up after a big party – you want everything back in its place and ready for the next day, but also making sure no one broke anything valuable.

Here’s a quick look at what happens during normalization:

Reduced Money Supply: As assets are sold or mature, money flows out of the banking system.
Higher Interest Rates: Less liquidity generally pushes up short-term interest rates.
Market Adjustments: Asset prices may adjust as demand shifts and borrowing costs change.
Focus on Inflation: The primary goal is often to bring inflation back to the target level.

The process of unwinding central bank balance sheet expansion requires careful calibration. The speed and method chosen can have significant ripple effects across financial markets and the broader economy. Policymakers must constantly assess economic conditions and market reactions to adjust their strategy, aiming for stability without stifling growth.

Global Perspectives on Central Bank Actions

When central banks expand their balance sheets, it’s rarely an isolated event. What one major central bank does can ripple across the globe, affecting economies far and wide. Think of it like dropping a big stone in a pond – the waves spread out.

Cross-Border Capital Flows and Exchange Rates

Central bank actions, especially those involving interest rates or large-scale asset purchases, can make a country’s assets more or less attractive to foreign investors. If a central bank buys a lot of bonds, it can push down yields. This might make investors look elsewhere for better returns, leading to capital flowing out of that country. Conversely, if interest rates rise, capital might flow in. These movements directly impact exchange rates. A surge in capital flowing into a country can strengthen its currency, making its exports more expensive and imports cheaper. The opposite happens when capital leaves. It’s a constant dance between monetary policy and currency markets.

International Policy Coordination

Sometimes, central banks try to work together, especially during major global crises. The idea is that coordinated action can be more effective than individual efforts. However, achieving true coordination is tough. Each country has its own economic situation, priorities, and political pressures. What works for one might not be suitable for another. So, while there might be discussions and agreements, actual policy decisions often remain national. This can lead to situations where policies in one region unintentionally create challenges for another.

Varying Impacts Across Economies

It’s important to remember that the effects of balance sheet expansion aren’t uniform. A policy that might stimulate a large, developed economy could have a very different outcome in a smaller, emerging market. Factors like the structure of the economy, its integration into global markets, existing debt levels, and the credibility of the central bank itself all play a role. For instance, a country heavily reliant on commodity exports might see its currency appreciate significantly due to global monetary easing, impacting its trade balance. Similarly, economies with less developed financial markets might not transmit policy changes as smoothly or predictably.

The interconnectedness of the global financial system means that domestic monetary policy decisions by major central banks have significant spillover effects on other countries, influencing capital flows, exchange rates, and financial conditions. Managing these international implications requires careful consideration and, where possible, dialogue with other policymakers.

Financial Innovation and Central Bank Tools

The financial world is always changing, and central banks have to keep up. Think about all the new ways people and companies move money around now compared to, say, twenty years ago. We’ve got digital payments, cryptocurrencies, and all sorts of complex financial products that didn’t exist or weren’t widely used before. This constant innovation means central banks can’t just stick to the old playbook.

Adapting to New Financial Technologies

Central banks are increasingly looking at how new technologies, often grouped under ‘Fintech,’ affect their ability to manage the economy. Things like blockchain, artificial intelligence in trading, and new payment systems can speed up transactions and potentially make markets more efficient. But they also bring new challenges. For instance, how do you regulate something decentralized like some cryptocurrencies? Or how do you ensure that AI trading algorithms don’t create unexpected risks during a market panic? Central banks are exploring how to use these technologies themselves, perhaps for better data analysis or more efficient payment systems, while also trying to understand and manage the risks they introduce to the broader financial system. It’s a balancing act, for sure.

Impact of Derivatives and Securitization

Derivatives and securitization are good examples of financial innovation that have been around for a while but continue to evolve. Derivatives, like futures and options, allow people to manage risk related to things like interest rates or currency movements. Securitization turns things like mortgages or car loans into tradable securities. These tools can make markets work better by spreading risk around. However, they can also make things more complicated and harder to understand, especially when they are bundled and repackaged in complex ways. Central banks need to monitor these markets closely because problems in these areas can spread quickly and cause bigger issues for the whole economy. They often adjust their policies or regulations to account for the risks and benefits these complex financial instruments bring.

Regulatory Oversight in Evolving Markets

Because finance is changing so fast, regulators, including central banks, have a tough job. They need to make sure that new products and technologies don’t create hidden risks that could destabilize the economy. This means they have to be flexible and forward-thinking. Sometimes, they might introduce new rules or guidelines to address emerging issues, like data privacy in digital finance or the stability of new digital currencies. Other times, they might work with international bodies to create consistent standards. The goal is to allow innovation to continue, which can be good for economic growth, without letting it get out of hand and cause a financial crisis. It’s a constant process of learning and adapting.

Here’s a look at some key areas of financial innovation and their implications:

Digital Payments: Faster, cheaper transactions, but also new cybersecurity risks.
Decentralized Finance (DeFi): Offers alternatives to traditional banking, but raises questions about consumer protection and systemic risk.
Algorithmic Trading: Increases market efficiency and speed, but can amplify volatility during stress periods.
Big Data and AI: Improves risk assessment and operational efficiency, but requires careful data governance and ethical considerations.

The challenge for central banks is to remain relevant and effective in a financial landscape that is constantly being reshaped by technological advancements and new market practices. This requires not only adapting existing tools but also developing new frameworks for understanding and managing risks that may not have been apparent even a few years ago.

Wrapping Up: The Central Bank’s Big Balance Sheet

So, we’ve looked at how central banks use their balance sheets, basically a big list of what they own and owe, to manage the economy. It’s a pretty powerful tool, used to inject money when things are slow or pull it back when inflation gets too high. Think of it like a giant thermostat for the financial system. While it can help stabilize things and keep the economy humming along, it’s not without its own set of challenges and potential side effects. It’s a complex dance, and how it plays out really matters for all of us.

Frequently Asked Questions

What does it mean when a central bank ‘expands its balance sheet’?

Think of a central bank’s balance sheet like a financial report card. When it expands, it means the bank is increasing the total value of what it owns, usually by buying things like government bonds. This is often done to put more money into the economy.

Why would a central bank want to put more money into the economy?

Central banks often do this when the economy is struggling. By adding money, they hope to encourage banks to lend more, businesses to invest, and people to spend, which can help boost jobs and economic growth.

How does buying bonds help the economy?

When a central bank buys bonds, it pays for them by creating new money. This money goes to the sellers of the bonds, who then deposit it in their banks. This increases the amount of money banks have available to lend out to customers.

Can this lead to prices going up too much?

Yes, that’s a potential risk. If there’s too much money chasing too few goods and services, prices can rise quickly, which we call inflation. Central banks try to manage this carefully.

What is ‘Quantitative Easing’ (QE)?

QE is just a fancy term for when a central bank buys a large amount of assets, like bonds, to inject money into the economy. It’s a way to make the balance sheet grow significantly.

Does expanding the balance sheet always work?

Not always perfectly. Sometimes the extra money doesn’t get lent out or spent as much as hoped. Also, it can sometimes cause prices of assets like stocks or houses to go up too high, creating ‘bubbles’.

How do central banks stop expanding their balance sheet?

They can do the opposite, called ‘quantitative tightening.’ This means they sell the assets they bought or let them mature without replacing them, which takes money out of the economy.

Is this the same as the government spending more money?

No, it’s different. The government spends money through taxes and borrowing (fiscal policy). The central bank manages the money supply and interest rates (monetary policy). While they can work together, they are separate actions.