The idea for this article came to me after I read a piece published by the International Tax Review with the title “Mexico confirms that US may qualify as a preferential tax regime in light of the 2017 Tax Cuts and Jobs Act”.[1] Instead of curating a proper blacklist, or a published list of tax havens…

The well-known expression “butterfly effect” comes from chaos theory, and it refers to the idea that a butterfly could flap its wings in Brazil and, through ripple effect, set off a tornado in Texas. Bringing this expression into the tax world, a decision by a domestic court on a seemingly domestic tax matter could trigger…