Changes in velocity (V) act as temporary shocks to aggregate demand by altering the frequency with which money changes hands, thereby causing proportional shifts in consumption or investment components without affecting long-run inflation rates when the monetary supply growth rate remains constant. This mechanism operates within macroeconomic models based on the national income identity and distinguishes between permanent AD curve shifts driven by money supply growth versus temporary fluctuations induced by velocity variations such as animal spirits or fiscal changes. The concept defines the boundary conditions of the aggregate demand-aggregate supply framework, establishing that while short-run equilibrium points deviate due to V changes, long-run adjustments ensure a return to the initial inflation and output levels dictated solely by monetary factors.
Changes in velocity (V) act as temporary shocks to aggregate demand by altering the frequency with which money changes hands, thereby causing proportional shifts in consumption or investment componen…