Demand pull inflation arises where there is an increase in aggregate demand[?] in an economy relative to aggregate supply[?]. This is commonly described as "too much money chasing too few goods[?]". This would not be expected to persist over time due to increases in supply, unless the economy is already at a full employment level.
The term demand pull inflation is mostly associated with Keynesian economics.
... town the population is spread out with 28.2% under the age of 18, 7.5% from 18 to 24, 33.5% from 25 to 44, 23.9% from 45 to 64, and 6.9% who are 65 years of age or older. ...