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Nikhil KamathNikhil Kamath

They Called The Trade Wars & China's Housing Crash | Nikhil Kamath | WTF is Finance Ep 4

I sat down with two economists in China — Matthew Klein, who co-wrote the book on why trade wars are really class wars, and Ning Zhu, the professor who predicted China's housing collapse years before it happened — and asked them everything I've never had answers to: what actually happens if trade surpluses and deficits continue for decades, why China consumes so much less of what it produces than India does, why the world keeps parking trillions in American debt, and whether de-dollarization is a real shift or just a story we like telling ourselves. Ning made the case that prolonged imbalances have historically been settled by war, Matthew argued that Korea's most traumatic financial moment — not its miracle — is what turned it into a surplus nation, and both agreed on the one thing every real estate developer in India refuses to believe: land prices do fall, and the moment everyone's convinced they can't is exactly when they do. 00:00 Introduction 06:29 Why trade surpluses and deficits can persist for decades 11:42 What actually signals a healthy economy, and Korea's shift from deficits to surpluses 17:46 Whether tariffs can correct an undervalued currency 23:12 Why the world keeps funding American debt so cheaply 29:49 Where American long-term yields go from here 35:36 Whether dedollarisation is actually happening 41:35 Why unsustainable arrangements outlast the arguments against them 46:37 How China's state guaranteed its housing bubble 52:25 Building an economy from scratch: efficiency against fairness Zhu Ning- Deputy Dean and Professor of Finance, Shanghai Advanced Institute of Finance Matthew C. Klein-Founder, The Overshoot | Co-author, Trade Wars Are Class Wars LinkedIn: https://www.linkedin.com/in/matthewcklein/ Footage Courtesy: World Economic Forum (WEF) CC BY-NC-ND 4.0 Source: https://www.weforum.org/videos/amnc26_summer_davos_highlights/ #Nikhilkamath-Co-founder of Zerodha and Gruhas Host of 'WTF is' & 'People By WTF' Podcast Twitter: https://x.com/nikhilkamathcio/ Instagram: https://www.instagram.com/nikhilkamathcio/ LinkedIn: https://www.linkedin.com/in/nikhilkamathcio?utm_source=share&utm_campaign=share_via&utm_content=profile&utm_medium=ios_app Facebook: https://www.facebook.com/nikhilkamathcio/ Watch 'WTF is' Podcast on Spotify https://tinyurl.com/4nsm4ezn Watch 'People by WTF' Podcast on Spotify https://tinyurl.com/yme92c59 Watch 'WTF Online' on Spotify https://tinyurl.com/4tjua4th #WTFiswithnikhilkamath #PeopleByWTF #WTFOnline

Nikhil KamathhostMatthew C. KleinguestNing Zhuguest
Jul 28, 202659mWatch on YouTube ↗

At a glance

WHAT IT’S REALLY ABOUT

Why trade imbalances endure, Treasuries stay dominant, and China’s housing turned

  1. The discussion explains why global trade imbalances can persist for long periods, emphasizing that capital flows, safe-asset demand, and institutional trust often dominate textbook adjustment mechanisms.
  2. China’s post-COVID surge in trade surplus is framed as a two-speed (K-shaped) outcome: production and export capacity rebounded faster than domestic consumption amid housing-market correction and weak confidence.
  3. Tariffs and exchange-rate adjustments are debated as tools to address imbalances, with both guests broadly skeptical of tariffs while noting they become more tempting when currencies do not adjust normally.
  4. The episode unpacks why U.S. Treasuries remain cheaply financed despite high debt, pointing to the Fed’s monetary sovereignty, the unmatched liquidity/depth of U.S. markets, and the lack of credible large-scale alternatives.
  5. De-dollarization and crypto are treated pragmatically: dollar dominance is slow to change without alternative safe assets, stablecoins may reinforce dollar usage, and crypto’s role is more niche (speculation/diversification or regulatory-avoidance) than systemic replacement.

IDEAS WORTH REMEMBERING

5 ideas

Trade deficits/surpluses can persist for decades because capital flows don’t follow textbook development logic.

Klein argues that in today’s system, trade balances are intertwined with capital flows: global savers often prefer parking money in jurisdictions with deep markets, familiar legal frameworks, and perceived investor protections—regardless of where “standard theory” says capital should go.

A swing toward surplus is not automatically a sign of economic health.

They caution that a stronger trade balance can come from painful adjustment (recession, crisis-driven demand collapse), not from genuine strength; Korea’s move from decades of deficits to persistent surpluses after the Asian Financial Crisis is used as the emblematic case.

Tariffs are a blunt instrument: they mostly tax your own consumers and can misfire without currency movement.

Tariffs may appear attractive when exchange rates don’t adjust, but both guests emphasize tariffs mainly raise domestic prices and create distortions; they’re rarely the “first best” solution, even if they can be politically tempting as an industrial-defense tool.

The world funds U.S. debt cheaply because Treasuries are the only market big and liquid enough—and the depth requires big issuance.

Zhu stresses foreign reserve managers need liquidity and market depth at massive scale, and there are few substitutes for U.S. Treasuries; Klein adds the circularity: you only get a truly liquid safe-asset market if a government issues lots of debt in the first place.

De-dollarization is constrained less by politics and more by the absence of a scalable alternative safe-asset system.

Both guests argue you cannot meaningfully de-dollarize without a credible alternative asset ecosystem (scale, liquidity, institutions). The euro’s unrealized promise and China’s limited issuance of widely held “safe” RMB assets are cited as core constraints.

WORDS WORTH SAVING

5 quotes

If one guaranteed way to either reduce a trade deficit or to generate trade surplus is you just crush your domestic economy.

— Matthew C. Klein

They can always print, they can always print the money.

— Matthew C. Klein

You cannot de-dollarize unless there's an alternative.

— Matthew C. Klein

A lot of things that appear to be unsustainable, and you can create all these arguments for it, turn out to be sustainable for longer than you'd, you'd think.

— Matthew C. Klein

Once it starts turning, it turns very badly.

— Ning Zhu

Trade deficits vs surpluses over decadesCapital flows vs trade flows (post–gold standard)China’s post-COVID surplus and weak consumptionTariffs vs exchange-rate adjustmentSafe assets, liquidity, and U.S. Treasury demandQE, asset inflation, and inequalityRMB internationalization and de-dollarization constraints (euro, alternatives)

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