Pith Number

pith:AQWFXSRJ

pith:2026:AQWFXSRJOAZN6ONC6RTXCEU5VV

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Modelling the Index of Sustainable Economic Welfare (ISEW) and its response to policies

C\'edric Crofils, Daniel W. O'Neill, Jefim Vogel, Kevin J. Dillman, Lorenzo Di Domenico, Luzie Dallinger, Reo Van Eynde, Se\'an Fearon, Tina Beigi

Dynamic modeling of the sustainable welfare index shows combined policies improve it most while shorter work hours alone reduce it.

arxiv:2602.21971 v2 · 2026-02-25 · econ.GN · q-fin.EC

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\pithnumber{AQWFXSRJOAZN6ONC6RTXCEU5VV}

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

We find that the ISEW grows in all scenarios. The strongest improvement over business-as-usual arises when all policies are combined, while the individual policies mostly affect the ISEW positively. Only in the case of working-time reduction, the ISEW decreases. Our results suggest that the ISEW is better than GDP at capturing their effects, but it omits the full environmental costs of growth.

C2weakest assumption

The COMPASS model, once extended with ISEW components, correctly captures the net effects and interconnections of the tested policies on welfare without major unmodeled feedbacks or measurement errors in the social and environmental cost terms.

C3one line summary

Dynamic simulations show ISEW rises under carbon tax and redistribution, falls with working-time reduction, improves most when policies combine, and captures policy effects better than GDP while still missing full biophysical limits captured by the Doughnut.

Formal links

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Receipt and verification

First computed	2026-05-18T02:44:31.064417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

042c5bca297032df39a2f46771129dad6e114877e9cd95c94fec81d48cb25e9f

Aliases

arxiv: 2602.21971 · arxiv_version: 2602.21971v2 · doi: 10.48550/arxiv.2602.21971 · pith_short_12: AQWFXSRJOAZN · pith_short_16: AQWFXSRJOAZN6ONC · pith_short_8: AQWFXSRJ

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AQWFXSRJOAZN6ONC6RTXCEU5VV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 042c5bca297032df39a2f46771129dad6e114877e9cd95c94fec81d48cb25e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6a1319f90cffe5142ea2899c083a2f172149be2980c9d8ea9f95113a55a86b0",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2026-02-25T14:53:30Z",
    "title_canon_sha256": "d78acaf86fad17ef96cc9a7831d28d77580b871bc3887d98761ccbf0193b8381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21971",
    "kind": "arxiv",
    "version": 2
  }
}