The Ifo Institute for Economic Research, officially the ifo Institute – Leibniz Institute for Economic Research at the University of Munich (e.V.), is a Munich-based research institution. Ifo is an acronym from Information and Forschung (research). As one of Germany's largest economic think-tanks, it analyses economic policy and is known for its monthly Ifo Business Climate Index for Germany. According to its 2024 report, 244 employees work for the organisation. The Frankfurter Allgemeine Zeitung ranks it as Germany's most influential economics research institute.