BENGALURU—The Bank of Canada will raise rates as early as the third quarter of next year, at least three months earlier than previously expected, according to economists polled by Reuters who see a risk that the increase could come even sooner. Just last month economists were almost evenly split on the risk of higher rates; now nearly all are saying sooner rather than later. That shift in view, based on intensifying inflation pressures—owing to global supply chain bottlenecks, labour shortages, and rising energy costs—is increasingly shared by forecasters around the world. “With inflation pressures continuing to build globally, Canada’s activity story looking robust, and with the jobs market strengthening more quickly than in most other countries, the odds are increasingly stacked in favour of earlier and more aggressive policy tightening next year,” said James Knightley, chief international economist at ING. That view is in line with the central bank’s latest …