Effective risk management is a crucial part of the success of any organization.  In scholarly research, numerous publications have been written on the design of complex enterprise risk management systems, however very little consideration has been given to the effectiveness of implemented management solutions. This book seeks to fill this important gap. Based on a study featuring a representative group of 722 companies, the author presents the various determinants of risk management effectiveness, including behavioural determinants (such as attitude to risk) as well as internal and external determinants (such as human and financial resources and the environment in which the organization operates). Along with a theoretical and practical overview of the various considerations from an international perspective, the reader will gain an insight into the implications for practice. Ultimately, this book formulates conclusions and recommendations for the improvement of tools and systems of enterprise risk management.