A renowned political scientist, Goddard brings expertise in great power politics and international order to SIPA’s leading research institute on strategic studies.

Tracks the extra cost paid by U.S. consumers for gasoline and diesel since the Iran conflict began on February 28, 2026, compared against a no-war counterfactual baseline.

Abstract. Terrorism is designed to change minds by destroying bodies; it is a form of costly signaling. Terrorists employ five primary strategies of costly signaling: attrition, intimidation, provocat...