What Happened to Inflation? And What Happens If It Comes Back?

Theme and Background

This chapter discusses how the U.S. economy has failed to develop as expected over the past year, leaving the trajectory of interest rates highly uncertain. The author focuses on the potential threat of an inflation shock to current portfolio composition, arguing that its destructive power could exceed that of an economic depression.

Core Thesis

The author’s central judgment is: In the current environment, a significant inflation surge could be more damaging to portfolios than an economic depression. This view runs counter to market consensus, as investors traditionally fear recession more than inflation. The author emphasizes that inflation delivers a double blow to both high-quality bonds (due to extremely low real yields) and stocks (due to excessive valuations), whereas a depression at least benefits bonds.

Key Arguments and Data

Economic Context: One year ago, inflation was at the Federal Reserve’s target level, the unemployment rate was near full employment, and a new president promised fiscal stimulus; however, the Fed began tightening policy (“diluting the alcohol content”), leading to uncertainty in interest rate direction.
Comparison of Inflation vs. Depression Impact:

Scenario	Impact on Risk Assets	Impact on High-Quality Bonds	Source of Loss
Economic Depression	Negative	Positive (safe-haven demand)	Impairment of future cash flows
Inflation Surge	Moderately negative (exacerbated by high valuations)	Very negative (extremely low real yields)	Decline in valuations, not impairment of cash flows

Key Data Points: Current bond real yields are extremely low, and stock valuations are excessively high, amplifying losses from an inflation shock. The author notes that losses from inflation primarily stem from valuation declines rather than impairment of future cash flows, so sustainable spending capacity is less affected, but paper wealth losses could be substantial.

Companies/Assets Involved

U.S. Treasuries/High-Quality Bonds: Bearish. In an inflationary environment, extremely low real yields make bonds perform particularly poorly.
Stocks: Moderately bearish. High valuations make stocks more vulnerable than expected in an inflation shock.
No Specific Companies Mentioned: This chapter is a macro analysis and does not cover individual stocks or specific enterprises.

Investment Implications

Investors should view an inflation surge as the primary risk to current portfolios, rather than the traditional concern of economic recession. Specific directions include: reducing exposure to high-quality bonds (due to their extremely low real yields) and being wary of valuation compression risks for high-valuation stocks in an inflationary environment. Although inflation is not inevitable, investors should prioritize hedging against inflation in asset allocation (e.g., inflation-linked bonds, real assets) rather than focusing solely on downside protection from economic weakness.