A. A constant change in price
B. A rise in prices
C. An unequal fall in prices
D. A proportionate fall in price
Option A – A constant change in price
The quantity theory of money assumes that the velocity of money is constant. This also means that the inflation rate is equal to the growth rate of the money supply minus the growth rate of output. If the money supply grows at the same rate as output, the price level will be stable.