Civic Finance Lab

Municipal Project Finance Scenario Lab

Synthetic data · transparent formulas · no political or investment recommendation

Stressed case: funding gap visible

See who pays, when, and under which assumptions.

Transit upgrade worked case: faster travel and grant support coexist with construction overrun risk, weak fare coverage, concentrated tax exposure, and uncertain commercial growth.

Synthetic base case · verified sources required

Funding-flow map

select a participant or flow
Tax base +1.2%Grant share 28%Debt service $63MFare coverage 19%Tax base +1.2%Grant share 28%Debt service $63MFare coverage 19%

Financing mix

shares must total 100%

Lifecycle economics

nominal base case

Formula: annual debt service uses a level-payment annuity. Lifecycle cost adds capital, debt interest, operations, maintenance reserve, and contingency. All figures are synthetic.

Shock lab

layer one shock at a time

Sensitivity range

low / base / high
Tax-base growth0.4–2.1%
Break-even ridership146K/day
Coverage range0.82–1.34x
No shock applied. Stressed-case risk remains driven by tax concentration and weak fare coverage.

Milestone and maintenance timeline

timing is not causal proof
PlanningCompleted synthetic example
ProcurementQ4 2026 ± 3 mo
Construction2027–2029 · overrun risk
Ramp2030 · ridership uncertainty
Steady operations2032 target
Major maintenance2040 reserve draw

Source and claim register

Distributional view

separate burden from preference
Households
Businesses
Visitors
Transfers
Fees
This chart shows modeled funding exposure, not welfare, fairness, or political preference.

Research outputs

provenance and formulas preserved
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