
Philippine rice tariffication allowed cheaper imports, but wholesale price declines did not fully reach retail buyers. Middlemen captured larger wholesale-retail margins, which widened to about P8 per kilo for well-milled rice in 2019-20.
Import liberalization has made the Philippines the top rice importer, so policy design affects world import demand. Wider margins suggest retail prices are less responsive to import price falls.
After 468 past policy events, Rough Rice moved a median +0.3% over 5 sessions (53% higher; middle half -2.0% to +2.0%), and +0.1% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.