Compare pay with purchasing power
See this course’s project requirements
An economic-news brief with source cards, inflation and real-pay calculations, labor-force analysis, rate scenarios and clear limits.
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What to include
- An indicator source card with units, periods and populations.
- An inflation calculation and a corrected headline explanation. A nominal-versus-real pay comparison with scope notes.
- A labor-force calculation and a careful interpretation of a rate change.
- A rate-news translation with a fixed/variable comparison.
- A source-based economic-news brief with calculations and limits.
Review and revise
Use these criteria to check your work and choose what to improve.
- Calculations reconcile to the supplied records, with units and dates labeled.
- Assumptions and missing information are visible, including the changed scenario.
- The recommendation follows the evidence and explains an important limitation.
- The six lesson outputs form a usable handoff that another learner can check.
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The idea in everyday life
Fictional hourly wage rises from $20 to $20.40 while the relevant practice price index rises 4%. Use the index as an illustration, not as a claim about any individual household’s exact expenses.
A nominal raise changes the number of dollars; real purchasing power also depends on price changes.
Compare pay with purchasing power — worked practice
A nominal raise changes the number of dollars; real purchasing power also depends on price changes.
Fictional hourly wage rises from $20 to $20.40 while the relevant practice price index rises 4%. Use the index as an illustration, not as a claim about any individual household’s exact expenses.
1. Find nominal raise
Divide 0.40 by 20.
You should see: Nominal wage growth is 2%.
The paycheck dollar change is only one input.
2. Convert new wage
Divide $20.40 by 1.04.
You should see: New wage is about $19.62 in old-price dollars.
Deflate by the price multiplier.
3. Compare
Divide 19.6153846 by 20 and subtract one.
You should see: Purchasing power falls about 1.92%.
The exact real change uses a ratio, not simple subtraction.
4. State scope
Note that a personal basket may differ from the broad index.
You should see: The estimate describes this illustrative comparison.
Different spending patterns experience different changes.
What to finish
A nominal-versus-real pay comparison with scope notes.
Watch for this
Assuming any raise increases buying power.
How can I tell I understand it?
Explain your calculation or classification and reproduce the changed case without copying the worked result.
Quick knowledge check
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Go to the knowledge checkOptional course overview video · same video as Lesson 1
The Consumer Price Index and Why Your Participation is Important
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Sources and further reading
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Source & access notes · checked 2026-09-12
Inspected price-index meaning, percent changes, population coverage and limitations.
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