Kganyago warns compounding crises exceed historical baselines
BIS Speech

Kganyago warns compounding crises exceed historical baselines

South African Reserve Bank Governor Lesetja Kganyago warned that global economic risks now outpace traditional historical safeguards. Speaking in Pretoria on September 28, Kganyago highlighted climate change, technological shifts, debt and fiscal dominance as key threats.

Twenty times beyond the design line

Using an August 26 glacial collapse in Nepal as an analogy for systemic global disruption, South African Reserve Bank Governor Lesetja Kganyago stressed that conventional risk planning fails when baseline assumptions collapse.

In that disaster, rock and debris traveled over 70 kilometers, killing thousands as flood levels exceeded 100-year design thresholds by twentyfold.

Kganyago argued that standard precautions proved insufficient because the operational environment has become inherently more hazardous than models anticipate.

Calling the event a “crisis cascade,” he noted that gradual accumulations of latent danger frequently culminate in unavoidable systemic shocks across modern interconnected systems.

Five fault lines of disorder

Kganyago outlined five interrelated dimensions defining the current global fragmentation: climate change, global imbalances, artificial intelligence and technological shifts, sovereign debt, and the fiscal dominance of monetary policy.

Focusing on climatic pressures, he noted that the previous month matched the hottest August on record while a developing El Niño in the Pacific threatens further disruption.

He emphasized that macroeconomic policymakers now operate in an era where environmental shocks exceed any recorded economic experience.

Blind spots in backward-looking models

Historical stress tests offer false security when structural shocks fall far outside past distributions.

By linking physical climate tipping points to fiscal dominance, Kganyago exposes deep blind spots in central bank modeling.

Policymakers must fundamentally overhaul their risk assumptions before compound crises overwhelm them.

Source: Policy challenges of the new global disorder

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