Max Ghenis MaxGhenis

Official council-tax comparators (public statistics, fetched 2026-08-22)

nation	year	measure	value	source
Scotland	2024-25	total council tax billed, net of Council Tax Reduction (net of discounts/exemptions; excludes water & sewerage per the series definition — confirm on page 7 "Data and Methodology")	£3.077bn (£3,076,770,000)	https://www.gov.scot/publications/council-tax-collection-statistics-2024-25/pages/3/
Scotland	2024-25	reduction in liability due to CTR	≈ £389m	https://www.gov.scot/news/council-tax-collection-statistics-2024-25/
Scotland	2025-26	total council tax billed, net of CTR	£3.389bn (£3,388,884,000); collected £3.227bn (95.2%)	https://www.gov.scot/publications/council-tax-collection-statistics-2025-26/pages/3/
Wales	2024-25	collectable, excluding council tax reduction scheme	£2,332m (collected £2,228m)	https://www.gov.wales/council-tax-collection-rates-april-2024-march-2025-html
Wales	2025-26	collectable

Social Security microdata regression investigation

Reproducibility appendix for the PolicyEngine postmortem on social_security and social_security_retirement being dropped or ignored in microsimulation.

Files:

social_security_microdata_regression_investigation.ipynb: executed notebook with source-control, GitHub Actions, and PyPI evidence.
reproduce_social_security_microdata_regression.py: plain Python script with

Historical PolicyEngine US CTC Reform Reproduction

This directory contains an executed notebook reproducing the reform run against the historical PolicyEngine US stack current by the end of November 1, 2025 in America/New_York.

It includes both the main credit aggregates and the federal/state/payroll tax decomposition behind the household_net_income change.

Re-execution

Run the notebook from a clean environment with:

	"""Generate hero image for the Madoff fact-check post.

	Uses PolicyEngine design tokens (theme.css CSS variables).
	See: @policyengine/ui-kit/theme.css
	"""

	import matplotlib.pyplot as plt
	import matplotlib.font_manager as fm
	from pathlib import Path

	"""Are the wealthiest U.S. households in the top 1% of federal income+payroll tax payers?

	Uses PolicyEngine-US Enhanced CPS microdata. Net worth is imputed from the Federal
	Reserve's Survey of Consumer Finances and caps at ~$190M in the 2026 file — true
	centibillionaires are not represented.
	"""

	import numpy as np
	import pandas as pd
	from policyengine_us import Microsimulation