A persistent fall in the general price level of goods and services is known as

Explanation

Official WBPSC key (Series A): (A) Deflation. Deflation is defined as a persistent decrease in the general price level of goods and services, where the inflation rate falls below zero percent. In contrast, Disinflation is a slowdown in the rate of inflation (prices still rise, but slower), and Stagflation is high inflation coupled with slow economic growth.