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Paper: "L0 regularization for subnational microsimulation calibration"
targeting the International Journal of Microsimulation.
Current state of the manuscript:
- Full paper structure: abstract, introduction, background, data,
methodology, results, discussion, conclusion, appendix
- Formal survey calibration problem definition with GREG and IPF
explained in depth, including benefits, drawbacks, and current
practice in operational models (CBO, JCT, TPC, EUROMOD, TAXSIM)
- Four-stage pipeline methodology (clone, matrix, L0 optimize,
assemble) documented against the pipeline source code
- Detailed appendix target tables populated from policy_data.db
(37,758 targets: 33,572 district, 4,080 state, 106 national)
- All writing in US English, citations linked via plainnat/natbib
Still TODO:
- [ ] Implement IPF and GREG baselines on the same calibration matrix
to populate the comparison table (tables/comparison.tex)
- [ ] Run calibration experiments and fill in all [TBC] placeholders
in the results section (accuracy, sparsity, convergence, ESS)
- [ ] Generate convergence curve figure from calibration_log.csv
- [ ] Select and run a subnational policy application example
(Section 5.5 — candidate: EITC expansion across CDs)
- [ ] Review pipeline methodology section against latest code for
accuracy (clone-and-assign, matrix builder, assembly steps)
- [ ] Review and deepen background section: verify claims about
GREG/IPF limitations, add any missing related work
- [ ] Resolve pre-existing overfull hbox warnings (long URLs in
conclusion, hyperparameters table width)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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