By Anosha Khan ( September 15, 2026, 4:30 PM EDT) -- Today, Prime Minister Mark Carney introduced the new Productivity Mega Deduction at the first Canada Investment Summit in Toronto. The tax incentive will increase the share of assets covered from 15 per cent to more than 65 per cent. He also announced that Canada will seek private investment through long-term concessions to operate the country’s four largest airports....