This course provides an introduction to the use of operations research methods in business. For this purpose, the course starts with a brief review of the basics from calculus and linear algebra, which is followed by the conceptual foundations of economic modeling and the applications of optimization techniques on various economic problems. The course provides a very sound perspective on how to use operations research techniques in any kind of economic and managerial decision making, which has become an increasingly sought after skill. We will work on various problems, including portfolio management, resource management, environment and energy related regulations, etc.