The Lombard Review
Economy Special Report

Memorial Day: Petrol prices and the summer inflation bump

Seasonal energy distortion

A supermarket aisle in New Orleans
A supermarket aisle in New OrleansPhoto: Infrogmation of New Orleans / Wikimedia Commons, CC BY-SA 4.0

Memorial Day weekend traditionally marks the unofficial commencement of the American summer driving season, and with retail gasoline prices averaging roughly $3.59 per gallon, motorists are absorbing an unhedged holiday tax. For macroeconomic forecasters, the seasonal spike in energy demand introduces predictable distortion into summer inflation calculations.

A crude oil tanker at the BP refinery jetty, Kwinana, Australia
A crude oil tanker at the BP refinery jetty, Kwinana, AustraliaPhoto: Calistemon / Wikimedia Commons, CC BY-SA 4.0

The Seasonal Energy Squeeze

Refinery transitions to costlier summer-blend fuel and elevated travel demand routinely inflate retail pump prices in late spring. While headline inflation prints are vulnerable to energy volatility, central bankers will focus intently on core metrics to strip out transient holiday distortions. Nonetheless, high petrol prices remain the most psychologically salient inflation signal for the American consumer.

The trading floor of the Frankfurt Stock Exchange
The trading floor of the Frankfurt Stock ExchangePhoto: Ank Kumar / Wikimedia Commons, CC BY-SA 4.0

Summer fuel price spikes may be an annual seasonal phenomenon, but their psychological power over consumer inflation expectations ensures they will weigh heavily on central bank deliberations.