Müller, HenrikRieger, JonasHornig, Nico2022-05-302022-05-302022-05http://hdl.handle.net/2003/4093010.17877/DE290R-22780enDoCMA Working Paper;11uncertaintynarrativeslatent Dirichlet allocationbusiness cyclestext miningcomputational methodsCovid-19Ukraine warRussiaPutin004070310Vladimir vs. the Virus – a Tale of two ShocksAn Update of our Uncertainty Perception Indicator (UPI) to April 2022 – a Research Noteworking paperText MiningCOVID-19KriegWirtschaftUngewissheit