I agree PM's only have so much policy leverage when it comes to the economy. They play a role, but many other factors are global or otherwise outside their control. Still voters are happy when job numbers are good.. Not familiar with Porter's specific analysis. I'm not saying it's wrong; others such as The Economist have identified the child benefit specifically as having boosted the economy. I like an oil price in the $45 to $60 range. Keeps Canada's industry going without hitting manufacturing and exports too hard. Whatever is boosting the economy, or whatever combo of factors, it's all good!