If you are applying productivity criteria, a lot of the stuff in the last budget wouldn't meet it. Often these measures are politically motivated.
Second, if you're going to bet the farm on corporate income tax cuts, that's the only thing you're going to be able to do, if you can even do that, because there is just not the fiscal room to do everything. So you're going to have to bet on corporate income tax cuts doing everything you want to do, because you won't have the money for infrastructure, education, the environment, aboriginal peoples. There won't be any money to spend for those other things.