sentence: In 1992 , the Common Effective Preferential Tariff ( CEPT ) scheme was adopted as a schedule for phasing out tariffs with the goal to increase the `` region 's competitive advantage as a production base geared for the world market '' .
question: why was something schemed _ _ _ ?
answers: as a schedule for phasing out tariffs with the goal to increase the `` region 's competitive advantage as a production base geared for the world market ''