Warsh, attending his first international policy summit since assuming leadership of the U.S. central bank in May, noted that the narrative of capital sitting idle due to a lack of opportunities no longer holds. He suggested that the current global environment is characterized by intense competition for funding, driven by massive investments in artificial intelligence data centers and industrial infrastructure. This shift marks a departure from the mid-2000s, when excess capital flowed heavily into safe, low-yielding instruments like U.S. Treasury bonds.

This transition carries significant implications for the U.S. economy, particularly regarding borrowing costs. As capital finds more lucrative outlets, the demand for Treasuries faces new pressures, contributing to higher yields. Warsh is now questioning whether the U.S. and other major economies possess a higher underlying growth potential than the 1.8% annual rate often predicted by entities like the Congressional Budget Office. While Treasury Secretary Scott Bessent dismissed concerns regarding the $40 trillion public debt load, Warsh’s remarks underscore a growing focus on productivity gains. Following his recent commentary at Jackson Hole, the Fed chair also hinted that policymakers may need to maintain a restrictive stance if inflation fails to retreat toward the 2% target.