This paper, aimed at professionals, scholars, and government officials in the field of securities regulations, compares the European (specifically the Market in Financial Instruments Directive--MiFID) and U.S. securities regulations. The analysis focuses on the regulatory and supervisory framework, trading venues, and the provision of investment services. We show that although there may be regional differences in the structure and rules of current securities regulation, the objectives and some outcomes of regulation are comparable. Similarly, as the current global financial and economic...