engangseffekter
Engangseffekter, meaning one-off effects, are effects that occur at a single point in time or during the initial phase of an intervention and are not expected to recur with subsequent exposure. The term is used in Norwegian and Swedish contexts and is often contrasted with recurring, persistent, or long-term effects.
These effects arise when an action triggers a temporary change that is not repeated as the system
Assessment of engangseffekter typically involves defining a clear time horizon and a baseline, identifying the one-off
Limitations include the potential for one-off effects to have lasting indirect consequences or to interact with
Related concepts include non-recurring costs, initial impacts, and first-dose or initial effects in various applied contexts.