When Japan repatriates its trillions in foreign assets, it will create a massive capital hole in US and European markets. Rather than allowing a painful credit contraction, the Fed and ECB will respond predictably: by printing more money to fill the gap, reinforcing the global inflationary cycle.
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After a decade of zero rates and QE post-2008, the financial system can no longer function without continuous stimulus. Attempts to tighten policy, as seen with the 2018 repo crisis, immediately cause breakdowns, forcing central banks to reverse course and indicating a permanent state of intervention.
Unlike the past, where economics dictated a strong yen despite loose policy, markets are now driven by politics. The Japanese government is allowing the yen to devalue to manage its debt, even as interest rates rise. This weakens the yen, strengthens the dollar, and could fuel a US equity boom via carry trades.
The US Federal Reserve's money printing functions as a global tax through the Cantillon effect. The first recipients of new money (government, large banks) benefit before inflation spreads. This silently dilutes the wealth of all other dollar holders, both domestically and internationally, effectively transferring purchasing power to entities closest to the money printer.
The upcoming Bank of Japan meeting is the most critical central bank event, with implications beyond FX markets. A hawkish surprise could create a volatility event in Japan's long-end yield curve, which could easily reverberate across global rates markets, impacting carry trades and broader market stability.
When the prevailing narrative, supported by Fed actions, is that the economy will 'run hot,' it becomes a self-fulfilling prophecy. Consumers and institutions alter their behavior by borrowing more and buying hard assets, which in turn fuels actual inflation.
The yen is nearing 160 against the dollar, a key level that has historically triggered intervention. A decisive break could lead to a 'dollar wrecking ball' scenario, causing a cascade of volatility across global currency, bond, and equity markets. This creates a high-stakes 'widowmaker trade' environment.
Japan's Takahichi administration has adopted a surprisingly expansionary fiscal stance. Instead of allowing the Bank of Japan to hike rates, the government is using fiscal spending to offset inflation's impact on purchasing power. This "high pressure" economic policy is a key driver of the yen's ongoing weakness.
The money printing that saved the economy in 2008 and 2020 is no longer as effective. Each crisis requires a larger 'dose' of stimulus for a smaller effect, creating an addiction to artificial liquidity that makes the entire financial system progressively more fragile.
As investors sell US assets to repay strengthening yen loans, it pulls liquidity from the US system. If this happens slowly, it could gently deflate inflated stock prices without causing a crash. This orderly withdrawal is preferable to a sudden market rupture caused by bursting bubbles.
Contrary to a common market fear, a Yen carry trade unwind is historically signaled by *falling* Japanese Government Bond (JGB) yields, a rallying Yen, and a falling Nikkei. The current environment of rising JGB yields does not fit the historical pattern for a systemic unwind.
