40
60
80
100
40
60
80
100
0
50
100
−10
0
10
20
30
40
40
60
80
100
1970
1980
1990
2000
2010
2020
40
60
80
100
Original
Original
HP trend 2-sided
BK trend
BK cycle
CF trend
CF cycle
Original
Hamilton trend
HP trend 2-sided
HP trend 1-sided
FIGURE 1 - Original series and trends
Original INDPRO
HP two-sided trend vs original
Baxter-King trend and cycle
Christiano-Fitzgerald trend and cycle
Hamilton trend vs original
HP one-sided vs two-sided trend
plotly-logomark