Allocative Efficiency and Aggregate Productivity Growth in Canada and the United States Staff Working Paper 2021-1 Lin Shao, Rongsheng Tang The lack of improvement in allocative efficiency plays a quantitatively important role in the productivity slowdown in the United States and the widening Canada–US productivity gap. Content Type(s): Staff research, Staff working papers Topic(s): Economic models, Productivity JEL Code(s): C, C6, C67, D, D4, D5, D57, E, E2, E23