Demand-pull inflation occurs when a. there is a negative GDP gap. i. prices rise because of an increase in aggregate spending not fully matched by an increase in aggregate output. ii. there are increases in per-unit costs of production. iii. there is a negative price gap. b. A negative GDP gap is associated with demand-pull inflation. i. international inflation. ii. cost-push inflation. iii. output inflation. c. A positive GDP gap is associated with demand-pull inflation. i. output inflation. ii. cost-push inflation. iii. international inflation.