NSA, CIA, Exectutive branch are front running markets

A 2008 paper by Arindrajit Dube, Ethan Kaplan, and Suresh Naidu (hat tip MS) found evidence that the CIA and/or members of the Executive branch either disclosed or acted on information about top-secret authorizations of coups. Stocks in “highly exposed” firms rose more in the pre-coup authorization phase than they did when the coup was actually launched.