Why it matters
The problem
Strong PFM assessments do not guarantee operational responsiveness in a crisis
Governments can have financing in place, score well on public financial management (PFM) assessments, and still struggle to move resources quickly when a shock hits. Plans, allocations, and institutional frameworks are necessary — but they are not the same as the ability to get money from spending authority to community level under pressure.
The gap between institutional readiness and verified, time-bounded ability to move resources under pressure is real, recurring, and largely unmeasured by existing tools. It is the gap that Fiscal Hydraulics is designed to make visible and verifiable.
"When disaster strikes, we have to cobble together funds for a relief and reconstruction package....The entire fiscal landscape gets affected....[W]hen towns and farms get flooded, our revenue base gets submerged, and our tax collection goes under too."
Ralph G. Recto, Secretary of Finance (Philippines), remarks at the launch of the 2024 PEFA++ and DRR-PFM assessment reports (Department of Finance, 2025).
Secretary Recto’s observation comes from a country that had just achieved a high rating on a PFM crisis readiness assessment. It points to a structural problem: strong institutional readiness does not guarantee operational responsiveness. Countries may have financing but lack the mechanisms to ensure it flows quickly when disaster strikes.
Recent Jamaica experience illustrates this pattern. Pre-arranged finance can be available when a shock hits, yet execution constraints can still limit how quickly financing becomes delivery. In Jamaica, persistent under-execution of capital spending has been highlighted as a structural challenge affecting delivery capacity (Independent Fiscal Commission, 2026). Disasters force trade-offs between competing priorities. They also create opportunities for development gains — but only if funds can flow to where they are needed.
Why existing tools don't close this gap
PEFA
Theme
Overall PFM performance
Focus
Institutions, information, systems, and processes
Use
Baseline + reform dialogue
Outputs
Scores + narrative
How it fits
Foundational benchmark
WB DRR-PFM
Theme
Disaster-resilient PFM systems
Focus
DRR capacity across PFM functions
Use
Identify opportunities to strengthen DRR-PFM
Outputs
Pillar findings + recommendations
How it fits
Thematic deep dive on institutional DRR readiness
Fiscal Hydraulics
Theme
Crisis finance flow capacity
Focus
Trigger → Track → Transit: speed and ease of flow
Use
Diagnose binding constraints on crisis finance flow
Outputs
Flow map + constraint hypothesis + proof pack
How it fits
System flow readiness diagnostic — complements both
Fiscal Hydraulics is not a replacement for PEFA or DRR-PFM. It addresses a dimension they were not designed to cover: how fast resources flow through the network in a crisis, and where bottlenecks are likely to form (given the evidence set). Outputs are evidence-bounded hypotheses with explicit coverage and data gaps, designed to guide validation rather than substitute for audit or transaction testing.
Who this is for
IFI and MDB task teams
Getting an evidence-bounded baseline of flow readiness before a facility is called upon
Crisis finance instruments can release funding quickly. Fiscal Hydraulics focuses on what happens next: whether the receiving system can convert that funding into timely execution. We provide an evidence-bounded baseline and constraint hypotheses (with confidence signalling) to help teams target validation and shape follow-on design discussions before pressure is applied.
Output
- An evidence-bounded flow readiness baseline
- Constraint hypotheses with coverage and confidence signalling
- A targeted proof pack to prioritise deeper verification and dialogue
- A structured basis to support TA scoping and country engagement
Finance ministries and government counterparts
Building a pre-shock view of where your system is strongest, where it is uncertain, and what to validate first
Governments often have multiple crisis finance mechanisms in place, but uncertainty about how quickly funds can move through the full chain—from activation to last-mile delivery. Fiscal Hydraulics provides a structured way to map likely constraints, distinguish evidence-backed strengths from data gaps, and set a practical validation agenda that can be used to coordinate counterparts and partner support.
Output
- A flow readiness baseline with coverage and confidence signalling
- A prioritised view of likely constraints across trunk / channels / distribution
- A targeted proof pack to close critical gaps
- A shared reference point to support cross-agency coordination and partner engagement
Insurers and climate finance providers
Completing the picture from trigger to community — understanding how funds move once they enter a sovereign system
Parametric and contingent instruments have increased the speed of finance release. Fiscal Hydraulics maps what happens after disbursement: how funds are received, routed through core controls, and delivered to end users. The output is an evidence-bounded pathway view and a validation agenda to identify where additional operational support would most reduce friction.
Output
- A mapped receipting and deployment pathway (evidence-bounded)
- Constraint hypotheses identifying where flow is most likely to bind
- A proof pack to validate key steps and reduce uncertainty
- A structured basis to support sovereign counterpart engagement
Regional development banks
Ensuring the receiving pathway is understood alongside the financing instrument
AfDB, ADB, IADB and peers have invested significantly in crisis and contingent finance. Fiscal Hydraulics provides a complementary lens on the receiving pathway—how recipient systems receive, route, and execute funds—so facility design and accompanying support can be grounded in an evidence-bounded view of where flow may bind.
Output
- A flow readiness baseline ahead of facility activation
- Constraint hypotheses to support TA scoping and sequencing
- A prioritised validation agenda to close the most material gaps
- A structured basis for country-level system dialogue
Climate adaptation funds
Connecting financing design to the practical ability of country systems to execute and deliver at pace
GCF, the Adaptation Fund, LDCF and similar mechanisms often rely on country systems to implement at scale. Fiscal Hydraulics provides an evidence-bounded view of how funds are received, routed, and executed—highlighting likely bottlenecks and the minimum evidence needed to validate readiness and delivery pathways.
Output
- A system-level view of execution and delivery pathways (evidence-bounded)
- Identified constraints and data gaps that affect speed and confidence in delivery pathways
- A targeted proof pack to support due diligence and readiness discussions
- A structured basis to prioritise follow-on verification or operational support
TA designers and programme managers
Starting TA design from a specific, evidence-bounded constraint hypothesis rather than a broad system scan
Well-designed technical assistance starts with clarity on what is most likely to bind, and what evidence is needed to confirm it. Fiscal Hydraulics provides a structured baseline and validation agenda that helps teams prioritise early verification, focus programme design, and align stakeholders around a shared view of constraints and unknowns.
Output
- A constraint-first foundation to support TA sequencing
- Evidence-bounded findings with coverage and confidence signalling
- A proof pack to guide targeted validation activities
- Stakeholder alignment through a facilitated Map Workshop (optional)
Where to start
LITE Scan
Fast first view
Start here if —
You need a rapid, evidence-bounded baseline before commissioning deeper work — or before a facility is activated. Public sources only.
LITE Diagnostic
Evidence-logged assessment
Start here if —
You need a document-verified assessment with an audit-friendly evidence register. Document-verified to LITE-8, LITE-12, or LITE-24.
Map Workshop
Cross-agency alignment
Start here if —
You need to bring counterparts together to map and validate the pathway, agree constraint priorities, and assign evidence owners before deeper verification begins.
Sources
• Republic of the Philippines, Department of Finance (2025). 2024 PEFA++ and DRR-PFM Assessment Reports Launch.
https://www.dof.gov.ph/2024-philippines-public-expenditure-and-financial-accountability-pefa-and-disaster-resilient-and-responsive-public-financial-management-drr-pfm-assessment-reports-launch/
• Independent Fiscal Commission (2026). IFC Evaluates Jamaica’s Economic Performance and Outlook. Kingston: Independent Fiscal Commission.
https://ifc.gov.jm/assets/files/Independent-FiscalCommissionIFCEvaluatesJamaicasEconomicPerformanceandOutlookFINAL1.pdf
• Republic of the Philippines, Department of Finance (2025). 2024 PEFA++ and DRR-PFM Assessment Reports Launch.
https://www.dof.gov.ph/2024-philippines-public-expenditure-and-financial-accountability-pefa-and-disaster-resilient-and-responsive-public-financial-management-drr-pfm-assessment-reports-launch/
• Independent Fiscal Commission (2026). IFC Evaluates Jamaica’s Economic Performance and Outlook. Kingston: Independent Fiscal Commission.
https://ifc.gov.jm/assets/files/Independent-FiscalCommissionIFCEvaluatesJamaicasEconomicPerformanceandOutlookFINAL1.pdf