Household Stress Regime

Live classification of the dominant household financial stress mechanism. The regime determines how the index weights formal stress outcomes relative to vulnerability indicators within the stress outcome group.

Live

Current Regime

Current classification
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Probability distribution
Inflationary
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Credit Crisis
—
Stagflationary
—
Low Pressure
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Rule-based classifier. Probabilities reflect which regime conditions are met. Episode validation: 6/6 correct.

STABLE Transition Signal
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Framework

What the Regimes Mean

Inflationary
Cost-pressure led
Definition
Cost pressure is the primary stress driver. Essential category prices are elevated across housing, groceries, fuel, energy, insurance, health, transport, and telco. Formal credit default has not yet cascaded at scale. The stress cycle gap — the distance between accumulated cost pressure and formal default — remains open.
Outcome balance in this regime
Formal outcomes carry primary weight within the stress signal. Cost pressure transmits to insolvency and arrears before vulnerability indicators respond.
Historical examples
Australia 2022–2026 · United States 2021–2023 · Norway 2015–2016 · Global 1974–1980
What to watch
Mortgage arrears · Personal insolvency · Consumer confidence trajectory · Employment conditions
Credit Crisis
Financial system led
Definition
Financial system stress is the primary driver. Mortgage arrears, personal insolvency, and consumer credit default are cascading faster than cost pressure builds. The balance-sheet damage phase has begun.
Outcome balance in this regime
Near-equal balance between formal outcomes and vulnerability indicators. Both arrears and debt serviceability are signalling simultaneously.
Historical examples
UK GFC 2007–2009 · Irish mortgage crisis 2010–2013 · US GFC 2007–2009 · Spanish housing crisis 2008–2014
What to watch
Employment conditions · Asset prices · Credit availability · Saving ratio trajectory
Stagflationary
Both dimensions elevated
Definition
Both cost pressure and formal payment failures are elevated simultaneously. Elevated costs and rising formal failures are concurrent. This is the most severe historical stress configuration in the dataset.
Outcome balance in this regime
Formal outcomes carry dominant weight, leading marginally over vulnerability indicators in dual-stress conditions.
Historical examples
UK and Ireland 2022–2023 · United States and United Kingdom 1980–1982
What to watch
All signals simultaneously — both cost and credit dimensions · Policy response trajectory
Low Pressure
Baseline conditions
Definition
Neither cost pressure nor financial system stress is elevated relative to historical norms. Household finances are operating within expected ranges. Standard monitoring applies.
Outcome balance in this regime
Balanced weight between formal outcomes and vulnerability indicators. Neither dimension dominates in benign conditions.
Historical examples
Australia 2013–2019 · Most comparable economies 2003–2006
What to watch
Early cost pressure signals · Credit growth · DSR trajectory · Confidence trends
Indicator

The Transition Signal

The transition signal indicates whether the current regime is stable or whether conditions are shifting. Three states:

Stable
The current regime is firmly established. Both classifier conditions are consistent with the dominant regime. No secondary signals are moving toward a threshold.
Watch — Transition Risk
The dominant regime is intact but secondary signals are rising. At least one watch signal is approaching a threshold. A regime transition is possible within one to two quarters. Monitor the listed signals closely.
Alert
A transition is underway or imminent. Both cost pressure and formal stress signals are simultaneously elevated (stagflationary) or formal failures are cascading at scale (credit crisis). Immediate attention warranted.
Methodology

How the Model Was Built

The regime classification is derived from a rule-based classifier trained on multi-decade household financial data spanning comparable developed economies. Regime labels are drawn from central bank Financial Stability Reports. The model has been validated against independently documented historical stress episodes with high episode classification accuracy.

The regime classifier uses signals on the live AHI 0–100 scale to avoid normalisation distortion from the historical dataset. Elevated cost pressure and elevated formal financial stress are the two primary classifier inputs. The intersection of these signals determines the regime. Specific thresholds are proprietary.

The regime classification determines how the index weights formal stress outcomes (mortgage arrears, insolvency, energy hardship, consumer credit arrears) relative to vulnerability indicators (debt service ratio, saving ratio, credit growth) within the stress outcome group. Component weights are fixed and regime-invariant. Only the balance between formal outcomes and vulnerability indicators changes with the regime.

The formal-outcomes and vulnerability split is empirically derived from historical training data using statistical regression methods validated against FSR episode labels. The empirical finding is consistent across all method configurations: formal stress outcomes lead vulnerability indicators in inflationary episodes; cost pressure transmits through to formal outcomes before structural vulnerability indicators fully respond. Specific split values are proprietary.

Independent temporal validation using Australian administrative data confirms the AHI’s component architecture. Cost category inflation elevation demonstrably precedes formal stress outcomes at statistically significant multi-quarter horizons, validating the ordering of component weights. Business expectation deterioration also precedes debt service stress at a significant lead horizon, validating the leading-indicator group. The current inflationary regime classification for Australia is empirically grounded: cost pressure elevation during 2023–2025 is materially above the non-stress historical baseline.

Historical

Australia — Regime Timeline

Household stress regime classification by quarter. From AHI launch through current quarter. Current quarter pulled from live API.

Inflationary
Credit Crisis
Stagflationary
Low Pressure