The selection of exogenous factors may be based on the assumptions made in the EU Reference Scenario 2016 or other subsequent policy scenarios for the same variables.
Féadfaidh roghnú na dtosca eisginiúla a bheith bunaithe ar na toimhdí a rinneadh i gCás Tagartha 2016 AE nó i gcásanna beartais eile ina dhiaidh sin maidir leis na hathróga céanna.