MVPA=GDPPC/( M2 /POP). An adaptation to normal Money Velocity, taking into account populations for more volatile plots/different perspective. Major world economy's money supply velocity. Compare how each country's monetary policy has played out and current trajectory in comparison to others. The velocity of money is a measure of the number of times that the average unit of currency is used to purchase goods and services within a given time period. The concept relates the size of economic activity to a given money supply, and the speed of money exchange is one of the variables that determine inflation .