The idea of a wealth tax has taken on new prominence since French economist Thomas Piketty famously proposed a global wealth tax in 2013; Senator Elizabeth Warren has even made a national wealth tax a plank in her campaign to become the Democratic presidential candidate in 2020. The current interest...

The Canadian system of equalization is designed to address differences in revenue-raising capacity across provinces, basing entitlements on actual provincial tax rates and bases. However, since it does so on a year-on-year basis, the standard against which a given province's equalization...