Conference slide deck (IMA World Congress 2026) for the VAT paper#18
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vahid-ahmadi wants to merge 5 commits into
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Conference slide deck (IMA World Congress 2026) for the VAT paper#18vahid-ahmadi wants to merge 5 commits into
vahid-ahmadi wants to merge 5 commits into
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A 29-frame beamer (metropolis) talk adapting the Chicago template to the main-branch VAT microsimulation paper: - PolicyEngine branding: light-teal header banner + deep-teal text matching the poster, official transparent PE mark in every header corner, centered title slide with the teal wordmark, light-teal section dividers with a slim step-progress bar. - Paper-section order: motivation (ONS/HMRC/OBR figures) -> data & calibration -> static costing -> bunching/dominated region -> behavioural -> conclusion, plus appendix backup slides with working hyperlink nav buttons. - Key equations on the data, bunching, dominated-region and behavioural slides. - Math-safe \pounds everywhere (no stray dollar signs); self-contained author-year citations; figures under Figures/, logos under logo/. - Closing slide with QR to the project site and contact icons. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Sync onto the new main (PRs #19, #20 merged) and reflect Section 7's value-added recast of the behavioural simulator. - New slide "The firm's problem: VAT on value added (formulation A)": pi(y)=(1-delta)(1-tau f(y))y - C(y;n,e), with delta the deductible-input share (value added (1-delta)y), C the own-factor cost (inputs already netted, so reading C as total cost would double-count), optimum n[(1-delta)(1-tau)]^e, and the new formulation_a_optima figure (delta in {0,0.4,0.8} across notch and taper). - Behavioural slide: note the simulator is a value-added base (formulation A). The e-sensitivity numbers (GBP508m->GBP292m, etc.) are unchanged. - Limitations: the "turnover-tax approximation" bullet now states the simulator taxes value added with a parametric delta (ONS Supply-Use to come), still abstracting from voluntary registration. Rebuilt slides.pdf (30 pages). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Port the VAT firm-microsimulation talk to the PolicyEngine Next.js/React slideshow template under paper/slides/presentation/ — 30 slides (cover, six sections, content, thank-you with QR, four appendix), KaTeX math, clickable appendix jump/back links, PDF export. Move the formulation-A optima legend to a frameless bottom legend and regenerate the figure across paper/ and the decks. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Delete paper/slides/slides.tex, slides.pdf and the vendored Figures/logo now that the Next.js deck under paper/slides/presentation/ is the deck. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Replaces the paper's conference deck with an interactive Next.js / React slideshow under
paper/slides/presentation/, built on the PolicyEngine slideshow template (Tailwind v4, KaTeX). Built for IMA World Congress 2026, Brussels — Parallel Session 4A (Tax Analysis).What's here
paper/slides/presentation/— the deck app. Run locally withnpm install && npm run dev; export to PDF withnpm run export:pdf(Playwright screenshots each slide).slides/config.ts(order + metadata) andslides/vat-ima-2026.tsx(the slides); figures inpublic/figures/.slides.tex/slides.pdf) has been removed in favour of this.The deck
f); clickable "→ appendix" and "← back" jump links; page counter that excludes the appendix.Content fidelity
All numbers from the paper: £17,000 notch, £85k→£90k anchor (£175m vs HMRC £185m), reform menu (−£508m / −£336m / −£343m / −£171m), dominated region a = £21,250, bunching b = 0.060 / E = 8,712 with the placebo collapse, behavioural e-sweep {0.05, 0.17, 0.32}. The formulation-A optima figure's legend was moved to a frameless bottom legend at source and the figure regenerated.
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