
Economist Barry Eichengreen writes that the broad effective dollar fell 8% between January 2017 and January 2018, contrary to expectations of tax cuts, rate hikes and tariffs pushing it higher. He argues that tariffs would normally require a stronger real exchange rate to offset their effects on an economy near full employment.
The column explores why the expected dollar strength has not materialized.
Persistent dollar weakness supports US commodity exports priced in dollars, while tariff-driven currency adjustments could alter trade flows for soy and corn. The outlook is an analytical view rather than a new market shock.
After 1,637 past bearish macro events, US Dollar (Broad) moved a median -0.2% over 5 sessions (39% higher; middle half -0.6% to +0.3%), and -0.2% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.