Perusvaihtoehto
Perusvaihtoehto is a term used in Finnish decision analysis and impact assessments to describe the baseline or reference option. It represents the scenario that unfolds if no new measures are implemented beyond existing commitments, policies, and infrastructure. The perusvaihtoehto serves as the standard against which other alternatives are compared in terms of costs, benefits, risks, and environmental or social impacts.
Construction of the perusvaihtoehto typically draws on current conditions: ongoing policy trajectories, existing facilities, demographic and
In evaluation, alternatives are assessed by their additional impacts relative to the perusvaihtoehto. For example, in
Limitations include reliance on assumptions and data quality, which can influence results. As a baseline, the