I won't purport to be an economist, but all of the radio tariffs are set by the Copyright Board. They're an economic tribunal, so that is their expertise. In terms of the tariffs the economist in question is looking at, if the standard methodology they're using is clearly not the standard methodology the Copyright Board is using, then perhaps that is where there may be some information missing and why they would arrive at two different quantums. The sole purpose and work of the Copyright Board is to arrive at the right rate for the input of music use.
On September 24th, 2018. See this statement in context.