Terminology
So far, there is no consistent terminology for MRIO systems and parameters in the scientific community. For pymrio, the following variable names (= attributes of the IOSystem and Extensions) are used (the alias columns are other names and abbreviations often found in the literature):
variable name |
formal name |
alias variable names |
alias formal names |
description |
---|---|---|---|---|
Z |
transaction matrix |
T |
flow matrix |
transactions matrix, inter industry flows |
A |
A matrix |
inter-industry coefficients (direct requirements matrix) |
||
L |
Leontief inverse |
B |
leontief inverse (total requirements matrix) (multi regional approach) |
|
Y |
final demand matrix |
H, y |
final demand matrix (sectors x region/countries and final demand categories) |
|
x |
gross output |
q |
industry output |
total output, defined as column vector |
F |
factor production |
extensions, stressors |
Factors of productions: extensions plus value added block |
|
F_Y |
factor production final demand |
yF, Fhh |
Factor inputs/emissions of the final demand, eg the emissions from housholds |
|
S |
factor production coefficients |
D |
stressor coefficients |
|
S_Y |
factor production coefficients final demand |
DY, yD, Shh |
Factor inputs/emissions coefficients of the final demand, eg the emissions from housholds |
|
D_cba |
consumption-based accounts |
fp, con |
footprints, consumption footprints |
footprint of consumption, further specification with reg (per region) or cap (per capita) possible |
D_pba |
production-based accounts |
terr |
territorial accoutns |
territorial or domestic accounts, further specification with reg (per region) or cap (per capita) possible |
D_imp |
import accounts |
imp |
import accounts, further specification with reg (per region) or cap (per capita) possible |
|
D_exp |
export accounts |
exp |
export accounts, further specification with reg (per region) or cap (per capita) possible |
|
M |
multipliers |
m |
total requirement factors |
|
pxp |
iosystem products x products |
mxm |
||
ixi |
iosystem industries x industries |
nxn |