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Not investment advice. Educational reading. See Disclaimer.
L.1 · BEGINNER · 2 MIN

Inflation: What It Is and Why It Matters

Inflation is the rate at which the general price level rises over time. The Fed targets roughly 2% annual inflation, a balance between preserving purchasing power and avoiding deflation.

Quiz · 5 questions ↓
§ 01
MeasureWhat It TracksUsed For
CPIConsumer prices (food, housing, transport)Official inflation rate, TIPS adjustment
Core CPICPI minus food and energy (volatile)Public trend gauge; Fed watches Core PCE, not Core CPI
PCEPersonal Consumption ExpendituresFed's primary policy target
PPIProducer/wholesale pricesLeading indicator of consumer inflation
§ 02

Inflation erodes purchasing power. At 3% inflation, $100 today buys only $74 worth of goods in 10 years. This is why cash in a savings account is silently losing value.

§ 03
Check the **Markets** view for current CPI and inflation data in the macro indicators section.
§ 04
The Fed targets 2% inflation. If inflation is running at 5%, what is the Fed most likely to do?
§ 05

Inflation is the invisible tax on every investor. Understanding it is the first step to making sure your returns are real, not just nominal.

Five questions · AI feedback

Sit with the ideas.

A savings account pays 4.5% interest. CPI inflation is running at 3.2%. Core PCE is at 2.8%. What is your approximate real return, and which inflation measure would the Fed focus on?

Why:

Other lessons in this course.

  1. 01Inflation: What It Is and Why It Matters— reading now
  2. 02The Fed and Interest Rates: How Policy Moves Markets
  3. 03The Yield Curve, in Plain English
  4. 04GDP: What the Economy Actually Produces
  5. 05The Business Cycle: Timing the Economic Seasons
  6. 06Fiscal Policy: Government Spending, Taxes, and Deficits
  7. 07The Fed’s Advanced Toolkit: QE, QT, and Forward Guidance
  8. 08Trade, Exchange Rates, and the Dollar
  9. 09Financial Crises: How Economies Break Down
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