Skip to article frontmatterSkip to article content
Site not loading correctly?

This may be due to an incorrect BASE_URL configuration. See the MyST Documentation for reference.

Notation cheat sheet

In the multi-regional model, every row and column is a country–sector pair. D and N are the two results most users work with.

SymbolNameIn wordsUnits
A (Adom, Aimp)Direct requirementsInputs bought per dollar of a sector’s output, split into domestic and imported$ / $
LTotal requirements (Leontief inverse)All the output needed across the whole supply chain per dollar of final demand$ / $
VSupply (Make) tableProduction of each commodity by each domestic industry$
U (Udom, Uimp)Use tableCommodities bought by each industry as inputs, split into domestic and imported$
xIndustry outputTotal output of each industry: the row sums of V$
qCommodity outputTotal domestic output of each commodity: the column sums of V$
y (ydom, yimp)Final demandPurchases by households, government, investment, and exports, split into domestic and imported$
ynabFinal demand for the national accounting balanceFinal demand for domestic production: ydom plus exports$
EEmissionsEmissions of each gas by each sectorkg gas
BDirect emission intensitiesEmissions of each gas per dollar of a sector’s own outputkg gas / $
CCharacterization factorsGlobal warming potentials that convert each gas to CO₂ekg CO₂e / kg gas
MTotal emission intensities by gasB × L: emissions of each gas across the supply chain per dollarkg gas / $
DDirect emission factorsC × B: CO₂e emitted by the sector itself per dollar of outputkg CO₂e / $
NTotal emission factorsC × M = C × B × L: CO₂e across the whole supply chain per dollar of purchaseskg CO₂e / $

Applies to: 2026-rc.1 · Last reviewed: 2026-rc.1