Table S3.

Model selection results with top 5 models and AICc values

Model	Variables								AICc
	Legitimacy	Length	Local knowledge	Represent PC	Interactions PC	Dissent	Salience	Inst. capacity PC
Impact 2
1	X								30.0
2	X						X		31.5
3	X	X		X					32.0
4	X								32.1
5							X		32.1
Impact 3
1	X		X						22.3
2	X				X				22.7
3	X				X			X	22.9
4	X							X	23.5
5	X								24.0
Impact 4a
1	X								45.0
2	X		X						45.1
3	X							X	45.2
4	X				X				47.2
5					X				47.4
Impact 4b
1	X							X	56.1
2	X								56.3
3	X		X						57.0
4						X			57.5
5							X		57.8

An “X” indicates variables included in each model.