Which lever to pull: more chances or a better rate
Payout is chances times value per chance times the rate. Users feel the count and barely notice the rate, so the count is the lever that changes behaviour.
2 entries
Payout is chances times value per chance times the rate. Users feel the count and barely notice the rate, so the count is the lever that changes behaviour.
Compute cost per claim from payouts that actually happened. Two accounting bugs make the modelled figure wrong, and both are easy to ship without noticing.