Brandt, Richard2021-02-222021-02-222021-02http://hdl.handle.net/2003/4004210.17877/DE290R-21922enDoCMA Working Paper;5economic policyuncertainty risksearch termoptimizationmedia analysesrecallprecision004070310Economic Policy Uncertainty IndexExtension and optimization of Scott R. Baker, Nicholas Bloom and Steven J. Davis’s search termworking paper