Fairly straight forward, Can I assume that Price Level and Inflation are interchangeable when looking at these graphs together?
Generally, are they equivalent in Macroeconomics?
Fairly straight forward, Can I assume that Price Level and Inflation are interchangeable when looking at these graphs together?
Generally, are they equivalent in Macroeconomics?
Snoram is correct. Price level is a just that, the relative level of prices. Inflation/deflation is the act of moving up/down price levels. The inflation rate is the difference in price levels from one time period to another.
I.E. Year 1: Price level = 100 | Year 2: Price level =105.
There was inflation in the economy (because price level increased). The inflation rate was 5%.
Another example:
I.E. Year 1: Price level = 177
In this example we do NOT know if the economy is experiencing inflation or deflation becuase we only have a single point in time and thus cannot determine the rate or direction of change.
Related but not equivalent. I assume you mean inflation rate when you say inflation,
Let $p_t =$ price level at time t
=> inflation rate at time t $ = \frac{p_{t}-p_{t-1}}{p_{t-1}} = \frac{p_{t}}{p_{t-1}} -1 $