Due to the surge of business scandals over the past years there is an increased interest in business ethics and moral behavior in business. What are the dynamics that cause a purchaser to accept a bribe, accountants to become fraudulent, bankers to ruthlessly speculate on currencies, stocks, commodities, and mortgages, without any regards to the consequences? And why and under which circumstances do CEOs try cover up the scale of disasters caused by their corporations? Questions like these and the consequent request for moral behavior in business have received increased attention in the academic community. The field of business ethics seeks to answer these. This book will discuss research and research methods in the field of decision-making business ethics research. It provides a brief explanation of the causes and backgrounds for the increased interest in business ethics research. Because of its popularity and the proven track record in helping to find answers to the above questions, a major part of this book will discuss scenario-based decision-making research with a focus on ethical and unethical decision-making in businesses and organizations.