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Key takeaways

  • Inflation represents the gradual rise in prices over time. It results in a decrease in purchasing power.
  • A diversified portfolio of equities and bonds can help mitigate inflation risk.
  • Companies’ revenues and earnings typically outpace inflation over time. Bonds can provide stability against equity market volatility.

Whether you’re saving for education, retirement or another long-term goal, it’s important to be aware of inflation risk – that is, the risk that inflation will erode the value of your investments over the long term. Here’s a guide to understanding the forces behind inflation, and how diversification can help you protect the value of your money.

What is inflation?

Simply put, inflation is the increase in prices over time. The inflation rate measures how prices have changed over a period of time.

As inflation rises, your purchasing power decreases. This means that your money does not go as far or buy as many things as it did before prices rose. Inflation impacts all aspects of the economy – from consumer spending and business investments, to government policies and interest rates.

cost of a dozen eggs en

1. Source: Statscan, Bank of Canada.
2. Source: Statscan, Bank of Canada.
3. Calculated using projected annual inflation of 2%.

How is inflation measured?

Governments use various measures to keep tabs on the economy and implement policy decisions. One of the most commonly cited measurements by many countries is the Consumer Price Index (CPI). The CPI is usually presented as a simple number. However, a lot of work goes into compiling it.

  • In the U.S., the CPI is based on a basket of 80,000 items in more than 200 product categories across eight major groups.
  • To keep the basket up to date, 24,000 families are interviewed every two years for insights on what they actually buy. An additional 12,000 families keep diaries on their spending habits.
  • Every month, the prices of the 80,000 items are recorded. The average overall price levels are then reported as the CPI. This is used to calculate the annual and monthly rates of inflation.

The index began at a baseline level of 100 in 1982. When the CPI reached 200 in April 2006, it signified a 100% increase in overall prices since the early 80’s. By June 2021, that figure was closer to 172%.


Canada Consumer Price Index

1982 - 2022

consumer price index en

Source: Statscan, RBC GAM. Unadjusted monthly Canadian CPI from December 31, 1981 to April 30, 2022

Other commonly cited measurements of inflation you may hear about include:

  • Core inflation is CPI minus the more volatile price categories (i.e. food and energy).
  • Personal Consumption Expenditures Price Index (PCE) accounts for changes in consumer preferences. Sometimes, people move away from some goods and services towards others. For instance, if the price of chicken rises unexpectedly, consumers may buy pork. PCE is the U.S. Federal Reserve’s preferred measure.

What causes inflation?

  • There are two main theories: Cost-push theory states when the cost of labour and materials (and really anything that’s required to get products onto shelves) rises, this drives up the price of goods and services.
  • Demand-pull theory suggests inflation rises when consumers have money and want to spend, but there are not enough goods for purchase. In this case, it’s not the raw materials that cause the increase in prices. It’s the demand for the finished product.

From an economic perspective, cost-push forces can be a greater concern. They indicate problems in the supply of goods and services. Demand-pull forces are more positive, as they occur when the average person has more money to spend. Higher demand feeds into higher prices – a sign of a strong, expanding economy.

Why is inflation a problem?

Traditionally, a moderate level of inflation (around 2%) is considered a positive signal. This is because it’s associated with economic growth. Higher levels of inflation are often perceived as a negative signal – suggesting the economy may be overheated. This can lead to an economic downturn, with some businesses suffering more than others. Inflationary pressures can drive higher prices. And if prices are rising faster than wages, then real incomes will drop. Inflation can also drive more government spending, as it costs more to run the same programs.

How can you protect your portfolio from the effects of higher inflation?

Inflation can affect some asset classes more than others. When inflation rises and market conditions change, it’s important to closely monitor the asset mix of your portfolio.

On a relative basis, inflation can have a bigger effect on cash and bond returns

Source: Bloomberg, RBCGAM for 20-year investment return data as of April 30, 2022. For illustrative purposes only. Cash: FTSE Canada 30 day T- Bill Index. Bonds: FTSE Canada Universe Bond Index. Equities: S&P/TSX Composite TR Index. . The indicated rates of return are the historical annual compounded total returns for the periods indicated including changes in unit value and reinvestment of all distributions. Index returns do not reflect deduction of expenses associated with investments. If such expenses were reflected, returns would be lower. An investment cannot be made directly in an index. Source: Statscan for average 20-year inflation data as of April 30, 2022. Inflation is approximated by the change in Consumer Price Index (CPI) each month.

Equities tend to offer better protection against inflation. Company revenues, and therefore earnings, can outpace inflation over time. Over the last 20 years, equities have delivered returns approximately 6% higher than inflation.4

Diversification is key. For example, it can help to add exposure to companies with ties to commodities, real estate, or those with the ability to pass on price increases to their customers without impacting demand.


Fixed income investors are often enticed by the stable stream of income bonds provide. However, inflation and interest rates tend to move in the opposite direction from bond prices. When interest rates rise, it can reduce the value of your bond holdings.

While inflation may impact areas of the bond market in the near term, bonds play an important role in diversified portfolios by providing stability against equity market volatility. Consider bonds with a variety of characteristics including: maturity, various risk levels, as well as sovereign and corporate bonds, both domestic and global.


If you start to see the impact of inflation on your portfolio, remember: balance is everything.

  • If the portion of equities in your portfolio increases, you may experience more volatility. So keep your risk tolerance in mind when considering any changes to your portfolio.
  • Fixed income will continue to play an important role within a diversified balanced portfolio. It can help create a smoother investment experience and help you stick to your investment plan. Explore different parts of the bond market now.

Inflation is just one of the many economic forces that can affect your investments. The key is to choose investments carefully, with strategies to address inflation.

Diversifying your portfolio can help to minimize inflation risk. If you have questions about how inflation may affect your investments, talk to your financial advisor.

4. Source: Morningstar Direct, RBC GAM for 20-year Investment returns data as of June 28, 2021. For illustrative purposes only. Cash: FTSE Canada 30 day T- Bill Index. Bonds: FTSE Canada Universe Bond Index. Equities: S&P/TSX Composite TR Index. .The indicated rates of return are the historical annual compounded total returns for the periods indicated including changes in unit value and reinvestment of all distributions. Index returns do not reflect deduction of expenses associated with investments. If such expenses were reflected, returns would be lower. An investment cannot be made directly in an index. Source: Bank of Canada for average inflation data as of June 28, 2021. Inflation is approximated by the change in Consumer Price Index (CPI) each month.

Disclosure

This has been provided by RBC Global Asset Management Inc. (RBC GAM) and is for informational purposes only. It is not intended to provide legal, accounting, tax, investment, financial or other advice and such information should not be relied upon for providing such advice. RBC GAM takes reasonable steps to provide up-to-date, accurate and reliable information, and believes the information to be so when provided. Information obtained from third parties is believed to be reliable but RBC GAM and its affiliates assume no responsibility for any errors or omissions or for any loss or damage suffered. RBC GAM reserves the right at any time and without notice to change, amend or cease publication of the information.
'Last updated: June 2022