| Subject | English | Catalan |
| math. | autoregressive conditional heteroscedasticity model | ARCH |
| math. | autoregressive conditional heteroscedasticity model | models autoregressius condicionals heterocedàstics |
| math. | generalised autoregressive conditional heteroscedasticity model | model GARCH (model d'heteroscedasticitat condicionada autorregressiva) |
| math. | generalized autoregressive conditional heteroscedasticity model | model GARCH (model d'heteroscedasticitat condicionada autorregressiva) |