Mike Bird on Japanese Monetary Policy, Yield Curve Control, and the US-China Trade War

Episode Summary

Executive Summary: David Beckworth and Mike Bird discuss Japan’s shift away from highly activist monetary policy, focusing on QQE, ETF purchases, and yield curve control, while comparing the Bank of Japan’s options with the Fed’s. They then turn to China’s slowing growth, rising leverage, property-market distortions, and why threats to dump U.S. Treasuries are not credible.

Main Topics: Japan’s era of activist monetary policy (Priority: 5/5): Bird reviews the Abe-Kuroda period beginning in 2012, when Japan launched massive QQE and explicit reflation efforts to reverse years of stagnant nominal growth and weak labor-market conditions. ETF purchases and central-bank ownership (Priority: 4/5): The conversation examines the BOJ’s large ETF buying program, especially its unintended corporate governance implications and how it pushes the central bank into quasi-owner roles in Japanese firms. Yield curve control in Japan (Priority: 5/5): Bird explains why the BOJ adopted YCC in 2016, mainly to steepen an excessively flat yield curve and help bank profitability, while reducing the pace of JGB purchases. Why the Fed likely cannot copy Japan (Priority: 5/5): The discussion contrasts Japan’s relatively controlled bond market and weaker macro volatility with the U.S. Treasury market’s size, liquidity, and global benchmark role, making YCC harder to implement credibly in the U.S. China’s slowing growth and rising debt (Priority: 4/5): Bird describes China’s decelerating economy, increasing corporate and household leverage, and the build-up of debt since the post-2008 stimulus era. China’s property-market distortions (Priority: 4/5): The episode highlights how housing has become China’s key store of wealth, making house-price declines politically difficult and drawing capital into low-yield speculative real estate activity. Why China dumping Treasuries is a hollow threat (Priority: 5/5): Bird argues that selling U.S. Treasuries would hurt China more than the U.S., raise the yuan, and leave Beijing with fewer safe assets and less crisis insurance.

Key Arguments: Japan’s activist monetary policy under Abe and Kuroda was unusually aggressive and appears to have helped lift nominal growth, tighten labor markets, and raise wages after years of stagnation. The BOJ’s ETF buying has created governance and ownership complications that go beyond the original monetary-policy intent. Yield curve control in Japan was designed less to stimulate more and more to fix the side effects of stimulus, especially the flat curve that hurt bank profitability. Low policy rates do not automatically mean easy monetary policy; what matters is the rate relative to the economy’s neutral/natural rate. The Fed would struggle to copy Japanese-style YCC because U.S. Treasuries are too liquid, too important as global safe assets, and too likely to be tested by markets. China’s slowdown is intertwined with high leverage, especially in property and state-linked borrowing, which has redirected real resources into speculative real estate. China’s reserves and capital controls provide buffers, but dumping Treasuries would undermine those buffers and likely strengthen the yuan, contrary to Beijing’s interests.

Data Points: Bank of Japan JGB purchases: cut by nearly two-thirds year-on-year - Bird says the BOJ dramatically slowed bond buying after switching to yield curve control in 2016. BOJ monetary base target: 80 trillion yen - The BOJ kept a nominal monetary-base target, though actual purchases ran far below it. Actual BOJ purchase pace: below 30 trillion yen - Bird notes the BOJ was far from fulfilling its nominal annual target at the time discussed. BOJ 10-year yield target: 0% with about ±0.1% trading band - Describes the initial YCC framework used to keep Japanese long rates near zero. Japan housing market/policy impact: roughly 30 years of near-zero nominal movement - Used to characterize the long-run stagnation that shaped Japanese policy choices and expectations. China U.S. Treasury holdings: a little over $1.3 trillion - Used in the discussion of China’s limited ability to weaponize Treasury sales. U.S. marketable Treasuries: close to $16 trillion - Provides scale showing China is a large but not dominant holder in the broader Treasury market. Chinese property price-to-income ratios in major cities: close to 20x - Bird compares affordability in some Chinese cities to London’s much lower but still elevated ratio. London price-to-income ratio: around 10x - Benchmark used to underscore how expensive Chinese urban housing has become. Fed Board references to YCC: 2 Fed board members mentioned it - Bird notes YCC has entered Fed discussion, mainly as a future framework topic rather than an active proposal.

Pivotal Quotes: "Japan is giving up on activist monetary policy." — Mike Bird: Title and core thesis of Bird’s article discussed at the start of the interview. "The US time zone is worst for global markets." — Mike Bird: Bird explains why working in Hong Kong is operationally convenient for covering Asia, Europe, and the U.S. in sequence. "I think you either commit to doing it... or you don't do it at all." — Mike Bird: Bird’s warning that a half-credible yield curve control framework would be vulnerable to market testing.

Implications: Japan’s policy experiment shows both the power and limits of aggressive central banking. For the Fed, YCC is possible only with exceptional credibility and costs. For China, leverage and property distortions remain the bigger risk than trade headlines.