Weaknesses in the enforcement of regulation have been targeted by the G-20 as a priority concern for reform. But enforcement efforts in securities markets have proven difficult and uneven. The recent scandal in the United States, wherein a Ponzi scheme orchestrated by Bernard Madoff went...

The paper considers the generic arguments for and against the creation of a unified regulatory agency, covering each of the main types of financial institutions (banks, insurers and securities firms). The strongest arguments for unification are the enhanced oversight of financial conglomerates...