The book "Market research and economic justification of the effectiveness of engineering and technical developments", created by the team of authors, is a unique publication that will become an indispensable assistant for specialists in the field of engineering, economics and project management. This work immerses the reader in the world of complex economic calculations and strategic analysis necessary for the successful implementation of engineering solutions. In a rapidly changing market where innovation is becoming a key driver of success, this book offers readers an in-depth understanding of how to properly assess the potential of new technologies and their commercial viability. The authors offer readers not only theoretical foundations, but also practical tools that will help in making informed decisions. The book covers a wide range of topics, including market research methods, competition analysis, risk assessment, and financial models, making it relevant to students, graduate students, researchers, and practitioners. The topics raised in the book concern not only technical aspects, but also social, economic and environmental factors affecting the introduction of new technologies. The reader will find here materials that will help to understand how engineering developments can be adapted to the needs of the market, as well as how to effectively justify their implementation from the point of view of economic feasibility. This makes the book particularly valuable for project managers, engineers, and economists seeking to integrate technology and business. The style of the authors is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. They use examples from real practice, which makes the material more clear and understandable. The book is not only informative, but also inspiring, prompting the reader to reflect on the future of engineering and its role in the modern world. If you are looking for literature that will help you understand the intricacies of the economic justification of engineering solutions, then this publication will be a real find for you. The book will be of interest not only to professionals, but also to students studying economics, management and engineering sciences. It can also attract the attention of entrepreneurs who want to understand how best to innovate in their companies. In addition, the work of the team of authors echoes other well-known works in the field of economics and engineering, such as “Project Management” by Joseph Phillips and “Economy of Innovation” by Igor Lukyanov .. These books also address issues related to the effectiveness of the introduction of new technologies and their impact on the market. Finally , “Market research and economic justification for the effectiveness of engineering developments” is not just a book. A whole tool for analysis and decision-making , This will help you not only to understand the current trends. but also anticipate future changes in engineering and economics. Do not miss the opportunity to enrich your knowledge and skills by immersing yourself in this fascinating and useful literature.