GBADEBO AD. EVALUATING THE DUAL ROLE OF CARBON PRICING IN ENVIRONMENTAL PERFORMANCE AND INNOVATION OF CANADIAN PROVINCES USING A DIFFERENCE-IN-DIFFERENCES ANALYSIS . gujaf [Internet]. 2025Oct.20 [cited 2026Jun.13];6(3):252-69. Available from: https://journals.gujaf.com.ng/index.php/gujaf/article/view/489