The book "Problem Factor Underperformance" by Haufe offers a comprehensive analysis of the causes of underperformance in companies, as well as effective prevention strategies and solutions. Written by Reinhold Haller, the second edition of this specialist book is aimed at professionals and decision-makers in the field of business management who are dealing with the challenges of performance optimization. Over 250 pages, various aspects of underperformance are examined, considering both theoretical and practical perspectives. The content is written in German and provides valuable insights based on current research findings and best practices. The book is available in a paperback edition and is produced in Germany. It is an indispensable reference work for anyone looking to enhance efficiency and productivity in their company.