Inflation-Adjusted Return Framework
Adjust returns for inflation
This framework emphasizes the importance of adjusting returns for inflation to ensure that the purchasing power of earnings is maintained.
- Inflation can significantly impact the purchasing power of returns.
- Returns should be adjusted for inflation to ensure that the purchasing power of earnings is maintained.
- Real returns are more important than nominal returns.
- Calculate nominal returnsDetermine the nominal returns on an investment or corporate earnings.Pro tipUse historical data to calculate nominal returnsWarningDo not rely solely on nominal returns
- Adjust for inflationAdjust the nominal returns for inflation to determine the real returns.Pro tipUse a reliable inflation index, such as the Consumer Price Index (CPI)WarningIgnore inflation at your own peril
- Evaluate the real returnsAssess the real returns in the context of the investment or corporate earnings.Pro tipConsider the impact of inflation on the purchasing power of returnsWarningDo not prioritize nominal returns over real returns
Example of inflation-adjusted returns
An investment with a nominal return of 10% may have a real return of 5% after adjusting for inflation.
OutcomeThe purchasing power of the returns is reduced due to inflation.
Relying solely on nominal returns
Ignoring the impact of inflation can lead to incorrect conclusions about returns.
Failing to adjust for inflation
Not adjusting returns for inflation can result in a loss of purchasing power.
Prioritizing nominal returns
Focusing on nominal returns can lead to poor investment decisions and neglect of the impact of inflation.
The impact of inflation on returns has been recognized by economists and investors for decades.
Source · INVESTOR LETTER
Berkshire Hathaway Shareholder Letter 1980