Misconception · MIS:pension-obligation-gain-or-loss-can-be-handled-as-a-shortcut

Mistaken idea “Mistaken idea: Every change in PBO belongs in service or interest cost”

Mistaken reasoning: A learner may assume that every change in PBO belongs in service or interest cost. The correction keeps the pension or postretirement schedules distinct.

Updated Sep 11, 2026 Review due Dec 11, 2026

Why this is mistaken

Wrong: Every change in PBO belongs in service or interest cost.

Correction: Assumption changes and experience differences enter the actuarial gain-or-loss route rather than service or interest cost.

Where to watch

When this mistake may appear

  • A benefit-plan analysis treats this claim as true: Every change in PBO belongs in service or interest cost.
Check your work

Your work may contain this mistake if:

  • Every change in PBO belongs in service or interest cost.