But appealing over the heads of oppressive regimes in support of their captive populations can have a powerful catalytic effect.
Times, Sunday Times (2011)
Sometimes other elements of equipment or format have a catalytic effect on popularity.
Times, Sunday Times (2011)
The first fiscal policy report could have a similar catalytic effect.
Times, Sunday Times (2010)
We have a tiny percentage of the national budget but we can have a catalytic effect.
Times, Sunday Times (2012)