Climate Change Drives Global Inflation Even Higher

Episode Summary

Executive Summary: The episode examines how a strong El Nino could disrupt weather patterns, raise commodity prices, and revive inflation pressure through supply-chain bottlenecks, especially in shipping chokepoints like the Panama Canal. Experts from Deutsche Bank and Bloomberg Economics argue the effects will be uneven but likely negative for many poorer, tropical economies and could complicate central banks’ disinflation efforts.

Main Topics: El Nino as an economic shock (Priority: 5/5): The hosts explain how warming Pacific waters can shift the jet stream, increase natural disasters, and affect growth, trade, and inflation worldwide. Panama Canal drought and shipping disruption (Priority: 5/5): Laura Curtis reports that low water levels in Gatun Lake are tightening draft limits, creating delays and higher costs for cargo moving through a key global trade artery. Inflation transmission via shipping and commodities (Priority: 5/5): Jonathan Ostry argues shipping-cost spikes persistently feed into consumer prices, and the panel notes that drought can also lift energy and food inflation indirectly. Regional winners and losers (Priority: 4/5): The discussion emphasizes that El Nino’s effects vary by geography: drought risk rises in Australia/Indonesia while flooding risk rises in parts of the Americas and southern U.S. Historical precedents and market signals (Priority: 4/5): Henry Allen reviews strong El Nino episodes in 1997-98 and 2014-16, while pointing to current market moves in coffee, sugar, and cocoa as early signs of stress. Policy implications for central banks (Priority: 5/5): The guests warn that a supply-side shock from El Nino could make inflation harder to tame, especially if shipping costs rise again in late 2023 and into 2024.

Key Arguments: El Nino can trigger a broad set of economic effects because it changes weather patterns in ways that increase disasters, disrupt agriculture, and alter trade flows. Shipping costs are a leading indicator of inflation; past container-shipping spikes had durable effects on consumer prices globally. The Panama Canal drought matters economically because it is a major maritime chokepoint, and lower water levels reduce vessel capacity and increase freight costs. The impact of El Nino is highly uneven: poorer tropical countries and commodity exporters are likely to suffer more than richer economies. Commodity markets already appear to be pricing in risk, with coffee, sugar, and cocoa showing notable price strength. Central banks should watch for renewed supply-chain inflation because it could work against efforts to bring inflation back to target. Even simple models may understate the true cost because they miss spillovers, indirect effects, and persistent output losses. Climate-related weather shocks may be a preview of broader climate-change economics, making measurement and forecasting increasingly important.

Data Points: US Climate Prediction Center probability of El Nino: more than 90% - Likelihood of an El Nino pattern unfolding later in the year Chance of a strong El Nino by winter: 56% - Henry Allen cites climate agency estimates for December-January Panama Canal water levels: historic lows by the end of July - Gatun Lake projected to fall sharply, tightening transit constraints Waiting time at Panama Canal: 5 to 6 days - Mid-June congestion after earlier zero wait time Container shipping cost spike in 2021: 600% - Bottleneck-driven surge from pre-COVID levels Effect on global consumer price inflation in 2022: more than 2 percentage points - Estimated inflation impact from 2021 shipping bottlenecks Effect on small island nations: nearly 5 percentage points - Additional inflation hit for Pacific and Caribbean import-dependent economies Inflation impact of a 20% shipping-cost increase: 0.15 percentage point a year later - Jonathan Ostry’s estimate of delayed pass-through Coffee futures: highest level since the contract began in 2008 - Market response cited as an early El Nino-related signal Sugar prices: around a decade high - Commodity market stress linked to weather concerns Cocoa prices: 7-year high - Another agricultural commodity affected by El Nino expectations Argentina and Brazil inflation impact: about 0.5 percentage point higher at annual level - Bloomberg Economics estimate for selected countries GDP impact for India and Argentina: about 0.5 percentage point knocked off GDP - Bloomberg Economics model results for selected economies Historical impact estimate from Dartmouth researchers: nearly $6 trillion in lost GDP - Reassessment of El Nino’s effect in the late 1990s Potential century-long cumulative GDP shortfall: $80 trillion or about 1% of global GDP - Long-run estimate if persistent El Nino effects are included

Pivotal Quotes: "Shipping costs are a canary in the coal mine." — Jonathan Ostry: He is explaining why freight-rate spikes can foreshadow broader inflation pressures "You think you're finally, like, in the right hands. You're just not." — Promotional voiceover: Opening teaser for the preceding IVF Disrupted ad read "This may be the starter for full dinner served next year." — Henry Allen: He warns that Panama Canal drought and El Nino could intensify into a larger shipping problem in 2024

Implications: Listeners should expect climate shocks to keep affecting prices, trade, and policy. If El Nino strengthens, shipping bottlenecks and commodity inflation could reappear, especially hurting import-dependent and poorer economies and complicating central-bank decisions.