The book “Securities as optimal contractual forms”, written by a team of authors, is a unique study that immerses the reader in the world of financial instruments and their role in the modern economic space. This publication will become a real guide for those interested in finance, investment and law, as well as for students and professionals in the field of economics and law. The book considers securities as the most important elements of financial markets, their functions and importance in the economy. The authors analyze how securities serve as optimal contractual forms, allowing market participants to effectively manage risk and capital. The reader will be able to learn about different types of securities, such as stocks, bonds, derivatives and other instruments, as well as how they can be used to achieve financial goals. The book will be of interest to a wide range of readers: from students studying finance and economics to professionals working in the investment and banking fields. It will also attract the attention of entrepreneurs and businessmen who want to better understand how to use securities to attract investment and optimize financial flows. The topics raised in the book cover not only the technical aspects of securities, but also their legal basis. The authors examine in detail the legislative and regulatory aspects that affect the functioning of financial markets. This makes the book particularly valuable for lawyers and financial regulatory professionals. The style of the authors is characterized by accessibility and clarity of presentation, which allows even those who do not have deep knowledge in the field of finance to easily absorb the material. The book is filled with examples from practice, which makes theoretical concepts more understandable and applicable. The authors use current data and research, which gives the work additional value and relevance. “Securities as optimal contractual forms” also raises important questions about the future of financial markets and the role of securities in the context of globalization and digitalization of the economy. How will the securities market change in the coming years? What new tools can appear? These and many other issues are reflected in the book, which makes it relevant and useful for analyzing current trends. If you are looking for literature that will help you better understand the mechanisms of financial markets and the role of securities in the economy, then this publication will be a real find for you. The book will not only expand your knowledge, but also inspire new ideas and approaches in your professional activities. Do not miss the opportunity to immerse yourself in the world of securities with this fascinating and informative book It will be your reliable assistant in the study of complex but fascinating aspects of the financial world.