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Ottawa pitches Productivity Mega Deduction as permanent immediate expensing for most capital assets

Agriculture Minister Heath MacDonald highlighted the tax change in Charlottetown, saying eligible assets jump from about 15% to more than 65% and the marginal effective tax rate on new investment falls to 6.4%.

Published: October 3, 2026 · Updated: October 3, 2026 · 1 min read

Independent analysts are more cautious about the fiscal trade-offs. The Canadian Tax Observatory notes Finance Canada pegs the Mega Deduction's cost at about $36 billion over five years and estimates it could lift economic output by up to roughly $22 billion a year on average over a decade — while urging Ottawa to publish clearer assumptions on how much investment would be truly new versus merely accelerated, and how start-ups or loss-making firms that cannot use the deduction immediately will fare. Sources: CNW / Government of Canada; Canadian Tax Observatory.

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