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
| """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 |
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.
Run the notebook from a clean environment with: