Photo © BigStockPhoto/Nyul >> DATA MANAGEMENT Exposing Tax with Analytics Evasion By Wes Gill Tax evasion reportedly costs the Canadian government a whopping $80 billion. 18 I n late 2011, the Tax Justice Network—a coalition of researchers and activists—released The Cost of Tax Abuse: A Briefing Paper on the Cost of Tax Evasion Worldwide, which estimated the total cost of global tax evasion at $3.2 trillion or five per cent of the world’s gross domestic product (GDP). The organization estimated the impact on Canada alone was approximately $80 billion. The problem was large enough that, as part OCTOBER 2013 GPG_October_2013.indd 18 10/9/13 4:25 PM