Understanding Uncertainty in Economic Predictions

Apr 13, 2025

Lecture Notes: Howard Marks' Memo "Nobody Knows Yet"

Introduction

  • Date of significant event: September 15, 2008
    • Lehman Brothers filed for bankruptcy.
    • Followed by failures at Wachovia, Washington Mutual, and AIG.
  • US financial sector perceived as near meltdown.
    • Causes:
      • Financial deregulation.
      • Housing boom and unwise mortgage lending.
      • Overrated securities and highly levered bank investments.
      • Counterparty risk due to banks' interconnectedness.

2008 Memo "Nobody Knows"

  • Marks' perspective: Ignorance of the future was affirmed.
  • Suggested investment:
    • Despite uncertainties, financial assets were bought at discounted prices.
    • Investing $10 billion in distressed debt opportunities.

Key Conclusions

  • Predicting the end of the world is futile as most of the time it doesn't end.
  • Action was taken based on logical reasoning rather than certainty.

Future Uncertainties and Predictions

  • Future is unknowable, subject to complex, unquantifiable factors.
  • Action during crises is filled with trepidation and lack of certainty.

Reflections on Current Economic Events

  • Discussion on tariffs under Trump's administration.
    • Events reminiscent of the 2008 financial crisis.
    • Unpredictability of global trade and its consequences.

Importance of Decision-Making in Uncertainty

  • Forecasts require evaluation of their probability.
  • Decisions are necessary despite lack of certainty.
  • Inaction is also a decision.

Tariffs and Their Implications

  • Goals of tariffs: Support US manufacturing, discourage imports, etc.
  • Tariffs lead to second and third order consequences.
    • Retaliation, inflation, recession, supply shortages.
    • Long-term effects on global order and economic relationships.
  • Unpredictable politics and economics.

Global Trade and Comparative Advantage

  • Post-WWII global trade benefits highlighted.
  • Comparative advantage maximizes collective welfare.
  • US has benefited from cheaper imports, despite some job losses.

Risks of Isolationism and Antagonizing Allies

  • US historical generosity and its positive impacts on global relations.
  • Risk of antagonizing trading partners, shifting global alliances.
  • Potential financial implications of reduced foreign investment in US treasuries.

Conclusion

  • Tariff developments compared to "own goal" in soccer, akin to Brexit.
  • Potential for economic recession and inflation due to tariffs.
  • Encouragement to connect globally and find investment opportunities amidst upheaval.
    • Reference to historical context and cyclical nature of economic events.

Personal Reflection

  • Marks shared his respect for Canada amidst tariff concerns.
  • Emphasis on global friendships and alliances.

Final Thoughts

  • Importance of understanding complex economic and trade issues.
  • Howard Marks urges informed yet speculative approaches to investing.
  • Future economic landscapes remain uncertain and unpredictable.