The product is a textbook titled "Credit Risk : Pricing, Measurement, and Management" by authors Darrell Duffie and Kenneth J. Singleton, published by Princeton University Press in 2003. It belongs to the Princeton Series in Finance Ser. The book covers subjects such as decision-making, finance, and economics, providing insights into credit risk pricing, measurement, and management. With a hardcover format and 416 pages, this textbook is a valuable resource for those studying business and economics.