s o S Price S, 0:13:46 D D 0 Quantity The diagram concerns supply adjustments to an increase in demand (01 to Da) in the immediate market period, the short run, and the long run. On the basis of this illustration, we can conclude that Multiple Choice Multiple Choice short-run adjustments are more economically efficient than are long-run adjustments. the amount of time producers have to adjust to a change in demand is not a determinant of supply elasticity Sy reflects a longer adjustment period for producers than does S2 S2 reflects a longer adjustment period for producers than does S