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UKSingleYearDataset silently ignores fiscal_year with file_path, and defaults it to a hardcoded 2025

Status: Open.

#1845 In PolicyEngine/policyengine-uk;

· vahid-ahmadi opened on Sep 3, 2026

Extensive-margin participation: wage imputation double-divides by 52, and childcare cost when working is not imputed

Status: Open.

#1839 In PolicyEngine/policyengine-uk;

· vahid-ahmadi opened on Aug 31, 2026

Pre-existing defects in dynamics/participation.py that surface when the participation model is enabled

Status: Open.

#1836 In PolicyEngine/policyengine-uk;

· vahid-ahmadi opened on Aug 28, 2026

Imputed potential earnings are too coarse to exercise the OBR participation elasticity gradient

Status: Open.

#1835 In PolicyEngine/policyengine-uk;

· vahid-ahmadi opened on Aug 28, 2026

Dividend band thresholds lag the main-rate bands: HRT £37,700 from 2021 and ART £125,140 from 2023 only applied to dividends from April 2026

Status: Open.

#1822 In PolicyEngine/policyengine-uk;

· MaxGhenis opened on Aug 17, 2026

Benefit cap applies to 2x too many households (5.3% of UC vs 1.6% administrative)

Status: Open.

#1818 In PolicyEngine/policyengine-uk;

· vahid-ahmadi opened on Aug 12, 2026

CI HUGGING_FACE_TOKEN failing with 401 on private dataset downloads

Status: Open.

#1816 In PolicyEngine/policyengine-uk;

· MaxGhenis opened on Aug 5, 2026

Housing Benefit (pensioner) take-up assumed 100%; DWP measures ~85%

Status: Open.

#1813 In PolicyEngine/policyengine-uk;

· MaxGhenis opened on Aug 2, 2026

Ensure each year has >10k effective sample sizes

Status: Open.

#1812 In PolicyEngine/policyengine-uk;

· nikhilwoodruff opened on Jul 27, 2026

Ensure years are directly comparable

Status: Open.

#1811 In PolicyEngine/policyengine-uk;

· nikhilwoodruff opened on Jul 27, 2026

Mid-year parameter changes are dropped by fiscal year conversion

Status: Open.

#1807 In PolicyEngine/policyengine-uk;

· MaxGhenis opened on Jul 25, 2026

Model income shifting between capital gains and income

Status: Open.

#1805 In PolicyEngine/policyengine-uk;

· MaxGhenis opened on Jul 25, 2026