The Psychology of Inflation
An independent exercise, not a statement by the video creator or verification of every claim in the video.
What happens to the grocery bill when inflation slows?
Start with a hypothetical price index of 100. Inflation of 10% in the first year takes it to 110. If inflation slows to 3% the following year, the index reaches 113.3, calculated by multiplying 110 by 1.03. To return to 100, the index would have to fall about 11.7% from 113.3.
Check for yourself
- Does an inflation release report a year-over-year change or a price level relative to a base period?
- When interest rates change, how do borrowing costs and grocery prices each respond?
Limits of application
This hypothetical calculation uses a single index. The burden for a household depends on what it buys and the terms of its borrowing.
- What to look for
- Follow how wage bargaining and company pricing can keep inflation elevated after an initial jump in energy prices.
- Why it matters
- Calculate what happens to the price level when inflation slows, then check whether households’ income expectations and actual spending move together after policy changes.
Timeline
4 segmentsThe US experienced oil supply shocks and slowing growth in the 1970s. The video describes how expectations of continued price increases and cost-of-living wage adjustments could prolong price pressure. Under Volcker, tightening brought inflation down amid recessions and rising unemployment.