The information was made available to the private sector economists. It is a judgment in terms of where the elasticity is going to go. The private sector economists effectively used the historic average elasticity of 1.2. The government's view, based on what we've seen and perhaps based on greater familiarity, having watched tax receipts come in, is that the elasticity will remain higher for longer as a result of higher revenues.
On November 23rd, 2006. See this statement in context.