Book excerpt: "The global economic and financial crisis has created important needs for fiscal consolidation. This document analyses potential instruments to raise additional tax revenues from the financial sector. The first section reviews the current policy objectives related to the taxation of the financial sector. The second section sheds some light on the current tax treatment of the financial sector. The third section discusses potential tax instruments to reach the goals. The fourth and fifth section respectively assess the advantages and drawbacks of a Financial Transaction Tax and a Financial Activities Tax."--Editor.