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How does inflation affect capital?

Published in Inflation Economics 6 mins read

Inflation profoundly influences capital by eroding its purchasing power and altering the financial landscape for businesses and investors, significantly impacting everything from investment decisions to the cost of borrowing.

Understanding the Impact of Inflation on Capital

Capital, whether financial resources, physical assets, or funds for investment, is directly affected by inflation—the rate at which the general level of prices for goods and services is rising, and consequently, the purchasing power of currency is falling. When inflation rises, the real value of money decreases, which has cascading effects on all forms of capital and its management.

Key Effects on the Cost of Capital

High inflation or even the expectation of it directly influences critical parameters used in calculating the cost of capital, which is the return a company needs to make on a project to justify the cost of funding it.

  • Higher Risk-Free Rate: During periods of rising inflation, central banks often increase benchmark interest rates to cool down the economy and curb price increases. This action directly leads to a higher risk-free rate, such as the yield on government bonds, as investors demand greater compensation for the eroded purchasing power of their money over time. This higher risk-free rate serves as a baseline for all investments, making the cost of capital for businesses more expensive.
  • Increased Market Risk Premium: Inflation introduces greater economic uncertainty, making it harder for companies to predict future earnings and cash flows. Investors perceive a higher risk in the market and, consequently, demand a higher market risk premium—the additional return they expect for investing in risky assets like stocks compared to risk-free assets. This increases the cost of equity for companies.
  • Elevated Sustainable Growth Rate (Nominal): While real economic growth might be pressured by inflation, nominal revenues and earnings often increase as prices for goods and services rise. This can lead to a higher sustainable growth rate when measured in nominal terms, which companies may incorporate into their financial projections. However, it's crucial to differentiate between this nominal growth and actual, inflation-adjusted (real) growth.

Broader Ramifications for Capital Management

Beyond the immediate impact on cost of capital parameters, inflation affects various aspects of how capital is acquired, managed, and utilized:

  • Erosion of Purchasing Power:
    • Example: Cash held in reserves or in low-interest savings accounts loses value over time. If inflation is 5%, $100 today will only buy what $95 bought a year ago.
    • Impact: This incentivizes investors and businesses to seek assets that offer returns exceeding the inflation rate to preserve or grow real capital.
  • Impact on Investment Decisions:
    • Investors often shift capital from fixed-income assets (like bonds with low, fixed returns) to inflation-hedging assets such as:
      • Real Estate: Property values and rents often rise with inflation.
      • Commodities: Raw materials like gold, oil, and agricultural products can maintain or increase their value.
      • Inflation-Protected Securities: Like Treasury Inflation-Protected Securities (TIPS), which adjust their principal value based on inflation.
  • Cost of Borrowing and Debt Management:
    • As interest rates rise to combat inflation, the cost of new debt (loans, bonds) increases for businesses, making capital more expensive to acquire.
    • Existing debt with variable interest rates will also see higher servicing costs. However, for businesses with fixed-rate debt, inflation can reduce the real burden of repayment, as they repay with money that has less purchasing power.
  • Valuation of Assets:
    • Higher discount rates (driven by increased risk-free rates and risk premiums) are used in financial models to value future cash flows. This typically leads to lower present valuations for companies and long-duration assets, as future earnings are discounted more heavily.
    • Conversely, some tangible assets might see their nominal value increase, but their real return depends on how quickly they appreciate relative to inflation.
  • Working Capital Requirements:
    • Businesses need more working capital (e.g., cash, inventory) to fund day-to-day operations as the cost of raw materials, labor, and other inputs rises.
    • Challenge: Managing inventory becomes critical; holding too much can incur higher carrying costs, while holding too little can disrupt production.
  • Physical Capital Replacement Costs:
    • The cost to replace machinery, equipment, and buildings increases significantly during inflationary periods.
    • This impacts a company's ability to maintain and expand its operational capacity, often requiring more capital expenditure than originally planned. Learn more about capital expenditures at Investopedia.

Practical Strategies for Capital Protection During Inflation

To mitigate the adverse effects of inflation on capital, businesses and investors can consider several strategies:

  • Diversify Portfolios: Include assets that have historically performed well during inflationary periods, such as real estate, commodities, and value stocks.
  • Invest in Companies with Pricing Power: Businesses that can pass on higher costs to customers without significant loss of sales tend to fare better.
  • Optimize Debt Structure: Favor fixed-rate debt over variable-rate debt where appropriate to lock in interest costs before rates rise further.
  • Efficient Working Capital Management: Implement robust inventory management systems, negotiate favorable payment terms, and accelerate receivables collection to reduce the need for additional working capital.
  • Inflation-Adjusted Investments: Utilize financial instruments designed to protect against inflation, such as Treasury Inflation-Protected Securities (TIPS).
  • Focus on Real Returns: Evaluate investments based on their returns after accounting for inflation, not just their nominal gains.
  • Strategic Capital Expenditure Planning: Anticipate rising replacement costs for physical assets and plan for higher capital outlays or invest in more durable, long-life assets.

Summary of Inflation's Impact on Key Capital Parameters

Parameter Effect of High Inflation Explanation
Risk-Free Rate Higher Central banks raise rates to combat inflation, increasing the benchmark return for risk-free investments.
Market Risk Premium Higher Investors demand greater compensation for increased uncertainty and risk associated with inflationary periods.
Sustainable Growth Rate Higher (Nominal) While real growth might be challenged, nominal revenues and earnings can grow due to rising prices.
Purchasing Power Lower The real value of money diminishes over time, eroding capital's buying capacity.
Cost of Debt Higher (New Debt) Interest rates rise, making new borrowing more expensive.
Asset Valuations Lower (Present Value) Higher discount rates reduce the present value of future cash flows.
Working Capital Needs Higher More capital is required to cover rising input costs and operational expenses.

Understanding these multifaceted effects allows businesses and investors to make informed decisions to protect and grow capital in an inflationary environment. For further reading on how the economy works, visit the Federal Reserve.