USA economic policy uncertainty index
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
2008
2010
2012
2014
2016
2018
2020
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
320
340
360
380
400
420
440
1987
crash
Gulf
War
Sept 11
GFC
Debt
ceiling
Trump
election
Iraq War
Covid-19
News Based Policy Uncert Index
