The PBO's projections showed that the federal government could increase spending or cut taxes annually by roughly $13-billion, or 0.6-0.7 per cent of the GDP, over the next 37 years and still maintain fiscal sustainability.

A new report from the Officer of the Parliamentary Budget Officer, headed by Jean-Denis Fréchette, pictured, projects that the federal government could increase spending or cut taxes annually by roughly $13 billion dollars, or 0.6-0.7 per cent of the GDP, over the next 37 years and still maintain fiscal sustainability.