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Topic dossier · Financial Regulation Nexus

Macroprudential policy

Macroprudential policy aims to keep the financial system as a whole resilient, by leaning against the build-up of system-wide risk and by making sure buffers can be released when a stress arrives. Its tools include countercyclical and systemic risk buffers, surcharges for systemic institutions and limits on borrower leverage. This page explains how systemic risk builds and spreads, how authorities read the macroprudential stance, and the limits of the evidence they act on.

01In brief

The short answer.

Macroprudential policy aims to keep the financial system as a whole resilient by leaning against the build-up of system-wide risk and making sure buffers can be released when stress arrives. Its tools include countercyclical capital buffers, borrower-based limits on lending and buffers for systemically important institutions.

02Spatial finance

A loan book under scenario families.

How physical and transition risk could reach a loan book under different scenarios. Illustrative design values.

A loan book across Europe under physical and transition risk.Design values; NGFS scenario names are labels only, not stress test results.
03Console

Supervisory review console, in outline.

The working screen behind this subject: its structure, terms and states. Names are placeholders and values illustrative.

Supervisory review console

Macroprudential policy · Bank supervision · Cycle 1

8 findings overdueGRA · Financial Regulation Nexus

Firms by risk rating

Bank BHigh33Enhanced
Bank DMedium22Standard
Insurer AlphaHigh33Enhanced
Fintech F1Low20Light

Findings

Open01
Model validation gapsBank B
Remediating01
Climate data qualityInsurer Alpha
Closed01
Liquidity reportingBank D

Climate expectations met

share of firms, thematic review

Governance54 pct · req 100Risk management58 pct · req 100Scenario analysis47 pct · req 100Disclosure51 pct · req 100
Supervisory review console: the screen's structure, terms and states for Macroprudential policy.Placeholder names and illustrative values; a design, not a record or a live system.
04The question

Macroprudential policy: how the risk develops.

System-wide buffers and risk controls. The dossier below sets out how the risk develops, what is measured, where the data come from, how it is modelled and who decides.

Mechanism

Credit cycles build leverage

Rising asset prices raise collateral values, which supports more borrowing, which raises prices again. Risk looks lowest at the point it is highest, so measures based on current losses are procyclical.

Mechanism

Common exposures and fire sales

Firms holding similar assets and funded the same way sell together under stress. Forced sales lower prices, impose losses on every holder and tighten margins, turning an individual problem into a system one.

Mechanism

Leakage weakens measures

Tighter rules on banks can push lending to non-banks, branches of foreign banks and cross-border lenders. Without reciprocity and coverage of non-banks, a measure can shift risk rather than reduce it.

Mechanism

The bias towards acting late

The costs of tightening are visible and immediate, the benefits are an avoided crisis no one sees. Authorities face pressure to wait, so buffers are often built late and released reluctantly.

05Key terms

Terms used on this page.

Each term as this page uses it. Where a standard-setting body defines the term, the wording follows that body.

TermDefinition
Countercyclical capital bufferAn extra capital requirement raised in credit booms and released in stress.
ReciprocityOne authority applying another's macroprudential measure to exposures in that country, to limit leakage.
LeakageActivity moving outside the reach of a measure, such as lending shifting to unregulated lenders.
06Indicators

What is measured, and how well.

Each indicator carries its unit, its cadence, the kind of source behind it and the evidence label a value would carry. No values are shown: a programme supplies them under its own authority.

IndicatorUnitCadenceSource typeLabel
Countercyclical capital buffer ratepercent of domestic risk-weighted exposuresquarterlyDesignated authority announcementsOFFICIAL
Credit-to-GDP gappercentage points from long-run trendquarterlyBIS credit statisticsESTIMATED
Private non-financial debt service ratiopercent of incomequarterlyBIS debt service statisticsESTIMATED
Borrower-based measures in forcetype and calibration of loan-to-value and debt-service limitsquarterlyMacroprudential measure databasesOFFICIAL
Systemic risk and O-SII buffer ratespercent of risk-weighted exposuresannualNational notifications to the ESRBOFFICIAL
Reciprocated measurescount of foreign measures reciprocated by each authorityannualESRB reciprocity recordsOFFICIAL
Residential property price-to-income ratioindexquarterlyProperty price and income statisticsESTIMATED
Macroprudential stance assessmentqualitative category against assessed systemic riskannualAuthority stance frameworksMODELLED
07Canvas

From sources to decisions.

The topic as a computational graph: named sources feed the methods, an evidence review gates the outputs, and the decisions stay with the authorities that hold them.

Pipeline canvas · Macroprudential policy as a run graphDesign, not a record
Macroprudential policy: the policy cycleA problem reaches the agenda, options are formulated and appraised, consultation tests them, the mandate holder decides, implementation and monitoring follow, and evaluation feeds the next agenda. Design of the process, not a record of a run.

Fig. 02Nodes carry their type, two metric rows and a state; connectors show what feeds what; dashed frames name the owners; the timeline is the cadence. Design of the pipeline, not a record of a run.

08Sources

Where the evidence comes from.

Named public datasets and institutional records, each with its licence class. Sources by agreement are used only under their terms and never republished.

SourceWhat it givesLicence class
ESRB national macroprudential measures databaseMeasures notified by EU and EEA authorities, with rates, scope and reciprocityPublic, reuse with attribution
ECB Macroprudential DatabaseHarmonised indicators of credit, property, banking and financial cycle conditionsPublic, ECB reuse policy with attribution
BIS credit-to-GDP gaps, total credit and debt service ratiosLong-run cross-country series on private credit and its burdenPublic, BIS terms of use with attribution
IMF Integrated Macroprudential Policy databaseCross-country record of macroprudential actions by tool and directionPublic, IMF terms
BIS residential property price statisticsComparable house price series across many economiesPublic, BIS terms of use with attribution
Financial stability reports and policy committee recordsPublished reasoning of authorities such as the Bank of England Financial Policy CommitteePublic, terms per authority
IMF Global Financial Stability ReportGlobal assessment of systemic vulnerabilities and policyPublic, IMF copyright and terms
09Decisions

Who decides, and what the evidence serves.

Financial Regulation Nexus prepares evidence. The decisions below are taken by the authorities named, under their own rules, and never by the platform.

Who decidesThe questionEvidence this page serves
Designated macroprudential authorities and financial policy committeesWhen to build or release countercyclical and systemic buffersCredit and property indicators with their stated weaknesses; peer stance comparisons
Legislatures and finance ministriesWhich mandate, tools and accountability a macroprudential authority should haveComparative institutional designs and IMF assessments of macroprudential frameworks
European Systemic Risk BoardWhether to issue warnings, recommendations or reciprocity requestsMeasure databases and cross-border leakage evidence
Central bank boardsHow macroprudential and monetary stances interactCredit cycle indicators and published stance frameworks

Outputs this topic produces

  • Comparative maps of macroprudential mandates, tools and authorities
  • Briefs on how buffers are set, released and reciprocated
  • Guides to systemic risk indicators with their known weaknesses
  • Learning material on leakage to non-banks and across borders
10Core questions

What experts ask.

Macroprudential researchers ask how to see and contain risks that no single firm creates alone.

  • How can authorities identify the build-up of system-wide risk in time to act?
  • Which tools, such as countercyclical buffers or borrower-based measures, work best for which risks?
  • How should macroprudential policy interact with monetary and fiscal policy?
  • How can risks outside the banking sector, in non-bank finance, be addressed?
  • How is macroprudential policy governed and held accountable?
11Mechanisms and drivers

When individual prudence adds up to system risk.

Actions that are prudent for each firm can be destabilising together. In booms, rising asset prices and easy credit reinforce each other; in busts, firms sell assets and cut lending at the same time, deepening the downturn. Common exposures and interconnections mean that one institution's problems can spread to others. Microprudential supervision, focused on individual firms, can miss these dynamics.

Macroprudential tools address them by building buffers in good times that can be released in bad times, limiting borrower leverage through measures such as loan-to-value limits, and requiring additional resilience from systemically important institutions. Evidence suggests borrower-based measures can slow credit growth, though effects vary and activity can shift to less regulated channels.

12Methods and data

How the evidence is built, and where it stops.

  1. 01

    Systemic risk indicators

    Tracking credit, asset prices and leverage with financial economics and macro-finance. Indicators can signal late or falsely.

  2. 02

    Network analysis

    Mapping interconnections between institutions. Data on exposures is often confidential.

  3. 03

    Policy evaluation

    Estimating effects of macroprudential measures. Few episodes and many confounders limit evidence.

  4. 04

    Scenario analysis

    Exploring system responses to shocks. See scenario tools.

13Methods

How it is studied, and what the methods cannot say.

  1. Financial economics and macro-financeCosts and benefits of capital requirements · Tracing leakage of macroprudential measuresApplied here
  2. Policy, institutional and decision scienceRegulatory impact assessment · Comparing supervisory architecturesApplied here
  3. Game theory and mechanism designHome-host cooperation in resolution · Regulatory competition between jurisdictionsApplied here
  4. Data engineering, interoperability and stewardshipMapping templates to a common model · Entity resolution with identifiersApplied here
14Questions

Questions and answers.

How is macroprudential different from microprudential?
Microprudential supervision asks whether each firm is safe. Macroprudential policy asks whether the system is safe, recognising that actions that are prudent for one firm, such as selling assets in a stress, can harm the system when all do it.
Why release a buffer in a crisis?
A released buffer lets banks absorb losses and keep lending without breaching requirements, which avoids a credit squeeze that would deepen the downturn.
What is reciprocity?
An agreement that a measure set in one country also applies to exposures held there by foreign banks and branches, so that lending does not simply move to institutions outside the measure.
Can macroprudential policy prevent crises?
It can reduce the likelihood and severity of crises, but evidence suggests it cannot eliminate them, particularly as risks shift outside the regulated sector.
Does GRA comment on specific macroprudential decisions?
It publishes research on frameworks and evidence. It does not advise authorities or firms on specific decisions.
Financial Regulation Nexus

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