Few topics in Canadian agriculture generate as much debate as supply management in the dairy sector. The issue gained renewed attention when former U.S. President Donald Trump criticized Canada’s protectionist stance during NAFTA renegotiations, underscoring the need to reassess the system’s long-term viability.

While proponents argue that supply management ensures financial stability for farmers and shields them from global market volatility, critics contend that it inflates consumer prices, limits competition, and stifles innovation. A policy assessment titled Supply Management 2.0: A Policy Assessment and a Possible Roadmap for the Canadian Dairy Sector, conducted by researchers at Dalhousie University and the University of Guelph, sheds light on the system’s inefficiencies and presents a compelling case for reform.

Designed in the 1970s to regulate production and stabilize dairy prices, Canada’s supply management system operates through strict production quotas and high import tariffs. However, as successive trade agreements such as the USMCA, CETA, and CPTPP erode these protections, the system appears increasingly fragile. The federal government’s $3-billion compensation package to dairy farmers for hypothetical trade losses is a clear indication that the current structure is unsustainable.

Instead of fostering resilience, supply management has created an industry that is increasingly dependent on government payouts rather than market-driven efficiencies. If current trends persist, Canada could lose nearly half of its dairy farms by 2030........

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