Biz/ed is a "free online service for students, teachers and lecturers of business, economics, accounting, leisure and recreation and travel and tourism. Resource discovery is integrated with simulations, worksheets, glossaries, spreadsheets, resource databases, online chat with examiners and a series of Virtual Worlds to give a rich package of support for users." Click Accounting to find "resources for accounting information systems, published accounts, financial accounting and management accounting." Click Business Studies to find "resources for objectives and strategy, accounting and finance, marketing, operations management, HRM and external influences." Click Economics to find "a full range of resources from markets, wages and firms, through to international and development economics." There are also ample resources for International Baccalaureate, Nuffield Economics & Business and Scotland.
http://www.bized.co.uk/learn/index.htm