These are different measures; they're funded differently. When there's an increase in contributions, that also affects employers. That's a macro-economic fact that has to be taken into consideration: the funding isn't the same. So I'd say you need both.
Furthermore, I don't see the Canada Pension Plan reform as a reform based simply on combating poverty. Once again, if you increase Guaranteed Income Supplement benefits, you achieve promising results at a relatively limited cost. I don't think the Quebec Pension Plan and Canada Pension Plan reform should be viewed solely from the perspective of combating poverty. I previously mentioned that income maintenance was very important. In that sense, I don't think this is an alternative. These programs complement each other and play different roles.
That said, it's true that, if you increase the size of the Canada Pension Plan and of the Quebec Pension Plan, if benefits were higher, that could definitely help certain individuals get above the poverty line. Consequently, it could help combat poverty and perhaps reduce the costs of the...
There again, it depends on what reform we're talking about. We need actual figures.