For many CEOs a company's ethical principles help define the corporate mission, determine obligations to various constituencies, and set guidelines for the organization's policies and practices. These business leaders tell us that ethical concepts are an important unifying force for companies confronting an intensely competitive environment and involved in diverse business enterprise throughout the world. International survey and interview examine how 300 leading companies: * define ethical issues; * respond to ethical dilemmas; * develop and communicate codes of ethics; * design ethics training programs.