A Standing Asset Purchase Programme is a central-bank policy tool under which the central bank is prepared to buy eligible financial assets under a pre-defined framework, usually to support liquidity, repair market functioning, or strengthen monetary policy transmission. In plain terms, it is a ready-made buying backstop for key securities markets. Because official labels differ across jurisdictions, the most important thing to understand is the mechanism: who buys, what gets bought, why it is done, and what it changes in the financial system.
1. Term Overview
- Official Term: Standing Asset Purchase Programme
- Common Synonyms: ongoing asset purchase programme, standing purchase facility, central-bank asset purchase backstop, permanent or pre-authorised purchase scheme
- Alternate Spellings / Variants: Standing-Asset-Purchase-Programme
- Domain / Subdomain: Finance / Monetary and Liquidity Policy Instruments
- One-line definition: A Standing Asset Purchase Programme is a central-bank framework that allows ongoing or ready-to-activate purchases of eligible assets to support monetary policy, liquidity, and market functioning.
- Plain-English definition: It is a policy arrangement where a central bank stands ready to buy certain securities, such as government bonds or other approved assets, when it wants to calm markets, inject liquidity, or push borrowing costs lower.
- Why this term matters:
Understanding this term helps readers distinguish: - routine liquidity tools from large-scale balance-sheet policies,
- temporary crisis interventions from standing backstops,
- asset purchases aimed at liquidity support from those aimed at macroeconomic stimulus.
Important note: The exact phrase Standing Asset Purchase Programme is not a universally standardized legal title across all central banks. Many institutions use different official names for similar mechanisms, such as asset purchase programme, asset purchase facility, large-scale asset purchases, open market purchases, or special bond-buying schemes.
2. Core Meaning
From first principles, a Standing Asset Purchase Programme is about one thing: the central bank buying assets in order to influence financial conditions.
What it is
It is a policy framework under which the central bank can purchase eligible assets, usually in secondary markets, from banks, dealers, or other approved counterparties. These purchases are generally paid for by creating central-bank money, most often in the form of reserve balances.
Why it exists
It exists because sometimes changing the policy interest rate alone is not enough. Markets may be stressed, yields may rise too sharply, liquidity may disappear, or monetary policy may not be passing through properly to the real economy.
What problem it solves
A Standing Asset Purchase Programme can help solve several problems:
- broken bond-market liquidity,
- excessively high or disorderly yields,
- weak transmission of lower policy rates,
- shortage of safe-liquid demand in stressed periods,
- fragmentation across regions, issuers, or market segments.
Who uses it
Main users are:
- central banks,
- monetary authorities,
- market participants who respond to or trade around the programme,
- banks and dealers that transact with the central bank,
- analysts and investors who monitor its effects.
Where it appears in practice
It appears mainly in:
- central banking,
- government bond markets,
- mortgage and covered-bond markets,
- corporate bond markets,
- macro-financial stabilization frameworks.
3. Detailed Definition
Formal definition
A Standing Asset Purchase Programme is a pre-established monetary policy or liquidity framework under which a central bank has the authority, subject to stated conditions, to buy eligible financial assets in the market on a continuing, repeatable, or ready-to-activate basis.
Technical definition
Technically, it is a balance-sheet instrument that:
- increases central-bank holdings of purchased assets,
- usually increases reserve liabilities or other settlement balances,
- affects asset prices and yields,
- alters risk premia and portfolio allocation,
- supports market liquidity and monetary transmission.
Operational definition
Operationally, such a programme usually specifies:
-
Eligible assets
Government bonds, agency securities, mortgage-backed securities, covered bonds, ABS, corporate bonds, or other approved instruments. -
Eligible counterparties
Banks, primary dealers, or approved market participants. -
Purchase method
Auctions, bilateral purchases, market operations, or announced purchase windows. -
Scale and pace
Fixed amount, flexible amount, capped envelope, or discretionary size. -
Risk controls
Issuer limits, maturity limits, eligibility rules, ratings filters, collateral standards, or market-neutrality constraints. -
Governance and reporting
Policy announcements, disclosure of holdings, audit treatment, and review procedures.
Context-specific definitions
In euro-area style usage
The better-known official phrase is usually Asset Purchase Programme (APP) rather than “Standing Asset Purchase Programme.” A standing version would mean a continuing or ready-to-use framework for buying eligible securities to support monetary transmission or market functioning.
In US usage
A similar concept appears through large-scale asset purchases or ongoing Treasury and agency MBS purchases. The mechanism is similar, but the exact label “standing asset purchase programme” is not the standard legal or operational term.
In UK usage
Comparable ideas appear through the Asset Purchase Facility framework. Again, the official name differs, but the logic of a central bank buying assets for policy purposes is similar.
In Indian usage
The Reserve Bank of India has used open market operations, Operation Twist, and specific purchase programmes such as G-SAP. These are similar in economic effect, though the term “standing asset purchase programme” is not the standard Indian label.
4. Etymology / Origin / Historical Background
Origin of the term
The term can be understood in three parts:
- Standing = continuously available, pre-authorised, or ready to use
- Asset purchase = buying securities or financial claims
- Programme = a structured policy framework with rules, scope, and governance
Historical development
The economic idea behind the term is older than the exact wording.
Early period: traditional open market operations
For decades, central banks bought and sold government securities mainly to manage short-term liquidity and steer money-market rates. These operations were usually not described as broad “asset purchase programmes.”
Global financial crisis era
After 2008, central banks expanded from short-term liquidity management into large-scale purchases of longer-dated assets. This period gave rise to:
- quantitative easing,
- large-scale asset purchases,
- corporate and mortgage bond purchase facilities,
- market functioning backstops.
Sovereign stress and fragmentation episodes
In some jurisdictions, especially in multi-country currency areas, the issue was not only stimulus but also market fragmentation. Purchase programmes increasingly served as a backstop against disorderly spread widening.
Pandemic period
During the pandemic, many central banks used flexible asset purchase frameworks to prevent market freezes, support government funding conditions, and preserve credit channels.
How usage has changed over time
The term has shifted from meaning something close to “bond buying” to a broader idea that includes:
- liquidity support,
- signaling of policy stance,
- repairing transmission,
- anti-fragmentation support,
- confidence backstop functions.
Important milestones
- Pre-2008: conventional OMOs dominated.
- 2008 onward: large-scale purchases became mainstream in advanced economies.
- 2010s: targeted purchase programmes expanded into covered bonds, ABS, corporate bonds, and fragmentation-control tools.
- 2020 onward: flexibility, reinvestment policy, and backstop credibility became central design features.
- Post-tightening phase: debate shifted to exit, tapering, reinvestment, and long-run balance-sheet size.
5. Conceptual Breakdown
5.1 Standing Character
Meaning
“Standing” means the programme is not purely one-off. It is pre-designed, available, or institutionally embedded.
Role
Its biggest role is credibility. Markets behave differently when they know the central bank can step in quickly.
Interaction with other components
A standing framework works only if it is paired with clear rules on eligible assets, triggers, governance, and reporting.
Practical importance
A credible standing framework may stabilize markets even before large purchases occur, because expectations alone can calm trading conditions.
5.2 Eligible Assets
Meaning
These are the securities the central bank is allowed to buy.
Role
Eligible assets determine where support reaches. Examples may include:
- government bonds,
- agency securities,
- covered bonds,
- mortgage-backed or asset-backed securities,
- corporate bonds.
Interaction with other components
Eligibility is linked to legal authority, risk controls, market depth, and policy objective.
Practical importance
A narrow eligible universe gives precision but limited reach. A broad one gives stronger transmission but creates more risk, legal sensitivity, and political debate.
5.3 Counterparties and Market Access
Meaning
These are the institutions through which the central bank executes purchases.
Role
They provide the operational channel between the central bank and markets.
Interaction with other components
Counterparty design affects:
- settlement speed,
- market coverage,
- reserve creation,
- pass-through to final investors.
Practical importance
If counterparties are too few or too concentrated, the programme may be less effective or create distortions.
5.4 Purchase Parameters
Meaning
These include the amount, frequency, pace, maturity preference, issuer allocation, and pricing method.
Role
Purchase parameters determine how forceful and targeted the programme is.
Interaction with other components
They interact with market liquidity, net issuance, and the programme’s legal and macroeconomic objectives.
Practical importance
The same programme can be weak, strong, neutral, or disruptive depending on how purchases are calibrated.
5.5 Balance-Sheet Mechanics
Meaning
When the central bank buys an asset, it records the asset on its balance sheet and usually creates reserves or settlement balances to pay for it.
Role
This changes both the quantity of liquidity and the composition of assets held by the market.
Interaction with other components
The impact depends on:
- who sold the asset,
- what type of asset it was,
- whether reserves are sterilized or left in the system,
- whether the purchase is temporary or lasting.
Practical importance
Without understanding balance-sheet mechanics, it is easy to misunderstand how purchases affect banks, deposits, yields, and lending.
5.6 Transmission Channels
Meaning
These are the ways the programme influences the economy.
Main channels
- Liquidity channel: improves market functioning and ease of trading.
- Portfolio rebalancing channel: investors replace sold safe assets with riskier assets.
- Signaling channel: markets infer easier policy for longer.
- Term-premium channel: long-term yields may fall.
- Spread-compression channel: targeted segments may see lower spreads.
Practical importance
The same purchase volume can have different effects depending on whether the main channel is liquidity repair, signaling, or portfolio rebalancing.
5.7 Safeguards and Risk Controls
Meaning
These are rules limiting the programme’s risk and legal vulnerability.
Examples
- issuer limits,
- issue-share limits,
- minimum credit quality,
- secondary-market-only purchases,
- disclosure commitments,
- maturity caps.
Interaction with other components
Safeguards can reduce legal and financial risk but may also reduce flexibility.
Practical importance
A programme without safeguards may face criticism, legal challenge, or financial losses. A programme with excessive restrictions may fail to stabilize markets.
5.8 Exit, Reinvestment, and Tapering
Meaning
These rules define how purchases slow, stop, or continue through reinvestment.
Role
They prevent abrupt market shocks when the programme winds down.
Interaction with other components
Exit strategy affects expectations today. Markets react not just to purchases, but to whether holdings will be reinvested or allowed to run off.
Practical importance
A poorly communicated exit can undo the benefits of the programme.
6. Related Terms and Distinctions
| Related Term | Relationship to Main Term | Key Difference | Common Confusion |
|---|---|---|---|
| Asset Purchase Programme (APP) | Closely related; often the more common official label | APP does not always imply “standing” or continuously available | People assume every APP is permanent or always active |
| Quantitative Easing (QE) | Often overlaps in effect | QE usually refers to macro-scale balance-sheet expansion to ease financial conditions broadly | Many think every asset purchase is QE |
| Open Market Operations (OMO) | Broader category | OMOs include routine short-term operations, not only structured asset purchase frameworks | Readers confuse standard OMOs with crisis-era bond buying |
| Standing Facilities | Same central-bank family of tools | Standing facilities usually mean overnight lending/deposit tools, not asset purchases | “Standing” makes people think they are the same instrument |
| Standing Repo Facility | Related liquidity backstop | A repo is secured short-term funding, not outright asset purchase | Both support markets, but mechanics differ |
| Credit Easing | Similar objective in some cases | Credit easing may target private credit spreads or specific channels rather than balance-sheet size alone | Sometimes used interchangeably with QE |
| Yield Curve Control (YCC) | Possible companion or alternative | YCC targets yields directly; a purchase programme targets quantities or market conditions more indirectly | People assume both require the same scale of purchases |
| Emergency Liquidity Assistance (ELA) | Crisis support tool | ELA is typically lending against collateral, not outright purchases | Both inject liquidity but use different legal and risk structures |
| Asset Purchase Facility (APF) | UK-style comparable term | APF is an institutional vehicle/framework name, not a generic label everywhere | Many think APF and APP are universal synonyms |
| Reinvestment Policy | Operational feature of a programme | Reinvestment maintains portfolio size after maturities; it is not new gross expansion by itself | Analysts often confuse reinvestment with new net easing |
7. Where It Is Used
Finance
This term is primarily used in fixed-income markets, central-bank analysis, and macro-financial strategy.
Economics
Economists discuss it when analyzing:
- monetary transmission,
- liquidity conditions,
- term premia,
- financial stability,
- lower-bound policy environments.
Policy and Regulation
It is used in:
- central-bank policy frameworks,
- crisis response design,
- legal debates on monetary financing,
- transparency and accountability discussions.
Banking and Lending
Banks care because such programmes affect:
- reserve balances,
- bond portfolio values,
- funding conditions,
- lending rates,
- collateral dynamics.
Valuation and Investing
Investors track these programmes because they can change:
- government bond yields,
- credit spreads,
- equity valuations through discount rates,
- currency expectations,
- duration risk pricing.
Reporting and Disclosures
The term or closely related ones appear in:
- central-bank policy statements,
- monthly operation reports,
- annual reports,
- financial stability reviews,
- market commentary from brokerages and asset managers.
Accounting
It is not mainly an accounting term, but it affects:
- valuation of securities portfolios,
- fair-value gains or losses,
- reserve balances,
- central-bank balance-sheet presentation,
- bank capital sensitivity to rate moves.
Analytics and Research
Researchers use it in:
- event studies,
- term-premium analysis,
- liquidity and spread modeling,
- cross-country policy comparison.
8. Use Cases
1. Sovereign Bond Market Stabilization
- Who is using it: Central bank
- Objective: Restore orderly trading in government bonds
- How the term is applied: The central bank uses its standing framework to buy eligible sovereign bonds when yields spike and bid-ask spreads widen sharply
- Expected outcome: Lower volatility, better price discovery, improved auction functioning
- Risks / limitations: Moral hazard for fiscal authorities, accusations of deficit financing, bond scarcity
2. Monetary Easing Near the Effective Lower Bound
- Who is using it: Central bank
- Objective: Ease financial conditions when policy rates cannot be cut much further
- How the term is applied: Long-dated bond purchases lower term premia and support broader credit conditions
- Expected outcome: Lower long-term borrowing costs and easier financial conditions
- Risks / limitations: Diminishing returns, inflation concerns if used too aggressively, difficult exit
3. Corporate Credit Market Repair
- Who is using it: Central bank or monetary authority
- Objective: Prevent a freeze in corporate bond funding
- How the term is applied: The programme includes eligible corporate bonds or related instruments under strict criteria
- Expected outcome: Narrower credit spreads, reopened primary issuance market
- Risks / limitations: Credit allocation concerns, favoritism allegations, credit risk on central-bank balance sheet
4. Anti-Fragmentation Backstop
- Who is using it: Central bank in a multi-region or multi-sovereign currency area
- Objective: Stop unjustified spread divergence that breaks policy transmission
- How the term is applied: Purchases are directed toward stressed but eligible segments to preserve uniform policy transmission
- Expected outcome: Reduced fragmentation and more even financing conditions
- Risks / limitations: Legal challenge, political controversy, difficulty separating liquidity stress from solvency risk
5. Mortgage or Covered-Bond Market Support
- Who is using it: Central bank
- Objective: Improve household and real-estate credit transmission
- How the term is applied: Purchase of mortgage-related or covered instruments under an approved framework
- Expected outcome: Lower mortgage spreads and more stable housing-finance channels
- Risks / limitations: Housing-market distortion, concentration risk, public criticism during property booms
6. Reinvestment-Based Exit Management
- Who is using it: Central bank
- Objective: Normalize policy without shocking markets
- How the term is applied: New net purchases stop, but maturities are partly or fully reinvested under the programme
- Expected outcome: Gradual balance-sheet adjustment and smoother market adaptation
- Risks / limitations: Markets may still overreact, slow runoff may be seen as hidden easing, communication risk
9. Real-World Scenarios
A. Beginner Scenario
- Background: A central bank sees stress in the government bond market.
- Problem: Bond dealers cannot easily absorb heavy selling, and yields jump sharply.
- Application of the term: The central bank activates its Standing Asset Purchase Programme and buys government bonds from approved dealers.
- Decision taken: It purchases a limited but visible amount over several days.
- Result: Trading conditions improve and yields stop moving disorderly.
- Lesson learned: Sometimes the main benefit is not the size of purchases, but the confidence created by the backstop.
B. Business Scenario
- Background: A large company plans to issue bonds to refinance maturing debt.
- Problem: Market stress has pushed borrowing costs too high.
- Application of the term: A central-bank purchase programme supports benchmark bond prices and lowers market yields.
- Decision taken: The company delays issuance by two weeks until the programme improves market conditions.
- Result: It issues at a lower coupon than expected.
- Lesson learned: Even when the central bank does not buy the company’s bonds directly, the programme can improve financing conditions indirectly.
C. Investor / Market Scenario
- Background: A bond fund manager expects central-bank purchases to absorb a large share of net issuance.
- Problem: The manager must decide whether to extend duration.
- Application of the term: She studies the purchase pace, eligible universe, and reinvestment schedule.
- Decision taken: She increases holdings in the targeted maturity segment.
- Result: Yields fall and the portfolio gains mark-to-market.
- Lesson learned: Analysts should watch both the flow of purchases and the stock of holdings.
D. Policy / Government / Regulatory Scenario
- Background: A finance ministry worries that central-bank bond buying could be seen as monetizing deficits.
- Problem: Legal and political constraints are strong.
- Application of the term: The central bank designs the programme for secondary-market purchases only, with issuer limits and transparency reporting.
- Decision taken: The framework is approved with safeguards and periodic review.
- Result: Market support is provided while reducing legal and reputational risk.
- Lesson learned: Programme design matters as much as programme intent.
E. Advanced Professional Scenario
- Background: A macro strategist is assessing whether a purchase programme will actually compress yields.
- Problem: Gross purchase numbers look large, but net government issuance is also rising.
- Application of the term: He calculates the absorption ratio, free-float reduction, and duration withdrawal from the market.
- Decision taken: He concludes the programme is supportive, but less powerful than headlines suggest.
- Result: His forecast for yield decline is moderate, not extreme.
- Lesson learned: Evaluate purchases relative to supply, market depth, and legal flexibility—not in isolation.
10. Worked Examples
Simple Conceptual Example
A pension fund sells government bonds worth 100 million to the central bank.
What happens?
- The central bank acquires 100 million of bonds.
- The selling process settles through the banking system.
- The pension fund’s bank deposit rises by 100 million.
- The banking system’s reserve balances at the central bank rise by roughly 100 million.
Key idea
The private sector now holds fewer bonds and more liquid money-like claims. That portfolio shift is one of the channels through which the programme works.
Practical Business Example
A company wants to issue 1 billion of 7-year bonds.
- Before the programme, expected market yield: 8.2%
- After the programme stabilizes benchmark yields, expected market yield: 7.8%
Interest-cost effect
- Yield reduction = 8.2% – 7.8% = 0.4%
- Annual interest saving = 1,000,000,000 × 0.4% = 4,000,000
- Over 7 years, nominal saving before taxes and fees = 28,000,000
Interpretation
The company did not need to be directly purchased by the central bank to benefit. Lower benchmark yields can reduce borrowing costs across the market.
Numerical Example
A central bank buys 20 billion of 10-year government bonds. The average modified duration of the purchased segment is 6.0. Market yield falls from 5.00% to 4.70%.
Step 1: Measure the yield change
- Initial yield = 5.00%
- Final yield = 4.70%
- Yield change = 4.70% – 5.00% = -0.30%
- In decimal form, Δy = -0.003
Step 2: Approximate bond price change
Use the duration approximation:
%ΔP ≈ -D × Δy
Where:
- D = modified duration = 6.0
- Δy = change in yield = -0.003
So:
%ΔP ≈ -6.0 × (-0.003) = 0.018 = 1.8%
Step 3: Estimate mark-to-market gain for an investor
Suppose a dealer holds 500 million of similar bonds.
- Price gain ≈ 1.8%
- Gain = 500,000,000 × 1.8% = 9,000,000
Step 4: Reserve impact
If the purchase is settled by reserve creation, reserves rise by roughly:
- 20 billion
Interpretation
The programme can affect both:
- liquidity through reserve creation, and
- asset prices through yield compression.
Advanced Example
A central bank already holds 300 billion under its purchase programme. This month, 8 billion of bonds mature.
Two possible policy choices
Case A: Full reinvestment – New purchases to replace maturities = 8 billion – Net balance-sheet change = 0 – Market still feels support because holdings are maintained
Case B: Partial reinvestment – Replacement purchases = 5 billion – Passive runoff = 8 – 5 = 3 billion – The portfolio shrinks by 3 billion
Why this matters
Even if no new “expansionary” programme is announced, reinvestment choices can materially affect:
- net supply to the market,
- reserve conditions,
- yield pressure,
- investor expectations.
11. Formula / Model / Methodology
There is no single official formula for a Standing Asset Purchase Programme. Analysts use a set of practical measures to understand its effects.
11.1 Reserve Creation Identity
Formula
ΔR ≈ Q
Where:
- ΔR = change in reserve balances
- Q = value of net asset purchases settled through reserve creation
Meaning of each variable
- Reserves are balances commercial banks hold at the central bank.
- Q is the amount of assets bought outright.
Interpretation
In a simplified setting, if the central bank buys 5 billion of eligible securities, reserves tend to rise by about 5 billion.
Sample calculation
- Purchase amount = 5 billion
- Estimated reserve increase = 5 billion
Common mistakes
- Assuming bank lending rises one-for-one with reserves
- Forgetting that purchases from non-banks still settle through banks
- Ignoring offsetting factors such as liquidity drains elsewhere
Limitations
This is a simplified balance-sheet identity. Actual reserve changes may differ because of currency demand, government balances, sterilization, or other operations.
11.2 Duration-Based Price Impact Approximation
Formula
%ΔP ≈ -D × Δy
Where:
- %ΔP = approximate percentage change in price
- D = modified duration
- Δy = change in yield in decimal form
Interpretation
If purchases lower yields, bond prices rise. The longer the duration, the more sensitive price is to yield changes.
Sample calculation
- Duration = 7
- Yield falls by 0.25% = -0.0025
Then:
%ΔP ≈ -7 × (-0.0025) = 0.0175 = 1.75%
Common mistakes
- Using basis points without converting to decimals
- Ignoring convexity for larger yield moves
- Applying one bond’s duration to a mixed portfolio without adjustment
Limitations
This is an approximation. For large moves or complex instruments, full pricing models are better.
11.3 Absorption Ratio
Formula
Absorption Ratio = Central Bank Net Purchases / Net Market Issuance
Often expressed as a percentage:
AR % = (CBNP / NMI) × 100
Where:
- CBNP = central-bank net purchases over a period
- NMI = net market issuance over the same period
Interpretation
This measures how much of newly supplied securities the central bank is taking out of the market.
Sample calculation
- Net purchases = 15 billion
- Net issuance = 10 billion
So:
AR % = (15 / 10) × 100 = 150%
What 150% means
The central bank bought more than the net new supply, so the market free float may shrink.
Common mistakes
- Comparing gross purchases to net issuance
- Ignoring maturities and redemptions
- Ignoring foreign or official-sector demand
Limitations
This is a market-impact indicator, not a policy rule. High absorption does not automatically guarantee lower yields.
11.4 Free-Float Reduction Ratio
Formula
FFRR = Central Bank Holdings / Eligible Outstanding Market Stock
Interpretation
This shows how much of the eligible market is no longer available for normal trading.
Sample calculation
- Central bank holdings = 300 billion
- Eligible outstanding stock = 1,500 billion
Then:
FFRR = 300 / 1,500 = 0.20 = 20%
Why it matters
If the ratio becomes too high, liquidity may improve at first but later worsen because too few bonds remain freely tradable.
12. Algorithms / Analytical Patterns / Decision Logic
A Standing Asset Purchase Programme is usually not governed by a rigid public algorithm. Still, analysts and policymakers often use structured decision logic.
12.1 Market-Functioning Trigger Framework
What it is
A decision rule based on signs of market dysfunction.
Why it matters
It helps separate normal volatility from disorderly conditions.
When to use it
When the programme’s purpose is market stabilization rather than broad macro stimulus.
Common indicators
- sharply wider bid-ask spreads,
- failed or weak auctions,
- impaired turnover,
- unusual spread gaps,
- funding-market stress.
Limitations
Rigid thresholds can be gamed or may trigger too late. Central banks usually preserve discretion.
12.2 Macro-Stabilization Framework
What it is
A broader framework tied to inflation, output, employment, and policy-rate constraints.
Why it matters
It explains why a central bank might buy assets even when markets are functioning, if broader monetary easing is needed.
When to use it
Near the effective lower bound or when inflation is persistently below target.
Limitations
Cause-and-effect is hard to isolate because many macro variables move together.
12.3 Eligibility and Risk-Screen Logic
What it is
A screening rule for what assets can be bought.
Why it matters
It protects the balance sheet and preserves legal defensibility.
When to use it
Always. No purchase programme should operate without a well-defined eligibility framework.
Common criteria
- issuer type,
- maturity band,
- minimum credit quality,
- marketability,
- settlement eligibility,
- concentration limits.
Limitations
Overly strict rules reduce coverage. Overly loose rules increase risk and political criticism.
12.4 Exit and Taper Logic
What it is
A structured way to slow or stop purchases.
Why it matters
Exit mistakes can destabilize yields and undermine earlier gains.
When to use it
When inflation pressures rise, markets normalize, or the policy stance shifts.
Common sequence
- reduce pace of new purchases,
- move to reinvestment-only,
- taper reinvestment,
- allow passive runoff, 5.