This book investigates why state capability in developing nations often fails to improve despite significant international aid and the adoption of best-practice reforms. The authors, Matt Andrews, Lant Pritchett, and Michael J. V. Woolcock, draw upon their extensive experience at the Harvard Kennedy School and the World Bank to argue that current development strategies suffer from 'isomorphic mimicry'—the adoption of institutional forms that look functional but lack actual capacity. They propose a framework called Problem Driven Iterative Adaptation (PDIA) to help organizations move beyond superficial compliance toward genuine, context-specific state capability.

Experts in public administration and development economics frequently cite this work as a foundational critique of top-down institutional reform. Readers often note the practical, action-oriented nature of the PDIA framework, which provides a clear alternative to traditional, rigid development planning.