Cold War espionage added $4.6 billion to East Germany's economy1 report from 1 outlet in 1 language · first reported 2026-09-29 18:15 UTC · updated 2026-09-29 18:15 UTC · JSONEconomy & businessGerman Democratic RepublicReportsCold War espionage added $4.6 billion to East Germany's economypopsci.com · en · 2026-09-29 18:15 UTC