Although the origins of the Financial Transactions Tax (“F.T.T.”) date back to the 1970’s, the European Commission first proposed a European Union-wide financial transactions tax in 2011. The proposal came at a time when many Europeans were concerned about the bad behavior of large banks and several E.U. countries were spending billions of dollars to bail out failing banks, while imposing austerity measures to counterbalance the impact on their budgets. Elizabeth V. Zanet and John Chown ponder whether the E.U. will adopt an F.T.T. now that 11 states have agreed to work on its implementation. Open issues exist.