Book 931 Innovation Policy . Cost-effectiveness of investments: training. Ilyichev I . P. , Kostyukhina Yu. Yu. and Elisha E. N. It is a unique educational tool that immerses the reader in the world of innovative economics and strategic investment management. This publication will become an indispensable assistant for students, postgraduates and practitioners in the field of economics, management and innovative development. The book focuses on how to properly evaluate and manage investments in innovative projects. The authors offer the reader an in-depth analysis of the cost effectiveness of such investments, considering both theoretical aspects and practical examples. They explore how innovation can be a catalyst for economic growth and competitiveness, as well as what factors influence the success of investment decisions. The book is full of relevant data, research and case studies, which makes it especially useful for those who want not only to study the theory, but also to apply the knowledge gained in practice. This work will be interesting not only for students and teachers, but also for entrepreneurs, managers and anyone who seeks to understand how innovation can change the business environment. Readers interested in modern trends in the economy will be pleasantly surprised by how the authors reveal complex concepts in a simple and accessible language. The book is suitable for people of different ages, from students to experienced professionals, and will be useful for those who want to expand their knowledge in the field of investment and innovation management. The topics raised in the book cover a wide range of issues, from risk and opportunity analysis to developing strategies for introducing innovation into existing business models. The authors emphasize the importance of a systematic approach to innovation policy, emphasizing that successful investment in innovation requires not only financial investment, but also competent management, strategic planning and market analysis. This makes the book especially relevant in a rapidly changing economic environment, where innovation is becoming a key factor in the survival and prosperity of companies. The style of the authors is distinguished by clarity and logical presentation, which allows the reader to easily assimilate even the most complex concepts. Ilyichev, Kostyukhin and Eliseeva are experienced specialists in the field of economics and management, and their knowledge and experience make this book a reliable source of information. They are also authors of other well-known works that have gained recognition in academic circles and among practitioners. If you are looking for a tutorial that will not only give you theoretical knowledge, but also help you develop practical skills in the field of investment assessment and management, then “No. 931 Innovation Policy . Cost-effectiveness of investments" will be an excellent choice for you. This book is not just a collection of theories, but a practical guide that will help you become more confident in making investment decisions and understanding innovative processes. In conclusion, “No. 931 Innovation Policy . Economic efficiency of investments” is an important step towards understanding the modern world of economics and business. It inspires new ideas and approaches, encouraging the reader to take action and innovate in their practice. Do not miss the opportunity to deepen your knowledge and become part of a new generation of specialists ready for the challenges of the time!