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In progress · 2026

EffDist V2026

Planned global gridded effective-distance dataset using population grids, settlement layers, and probability-weighted flow graphs in place of geographic great-circle distance. In progress; no completed public release is claimed.

Authors
Elizaveta Gonchar, Ian Helfrich
Status
In progress
License
Not yet assigned
Coverage
planned coverage; not yet verified
Limit
This record does not claim a completed public release. Coverage, versioning, and access remain limited to the artifacts linked here.

The planned output is a set of effective-distance matrices at country, regional, and urban-rural levels for use in trade-gravity equations, migration models, and bilateral-exposure work. Companion paper: Gonchar-Helfrich (2025), “Trade in the Spotlight” (SSRN 5202676).

A release date, license, coverage statement, and access route will be added only after the dataset and documentation are verified.