Despite a centralized formal structure, Chinese politics and policy-making have long been marked by substantial degrees of regional and local variation and experimentation. These trends have, if anything, intensified as China's reform matures. Though often remarked upon, the politicsof policy formation, diffusion, and implementation at the subnational level have not previously been comprehensively described, let alone satisfactorily explained.

Based on extensive fieldwork, this book explores how policies diffuse across China today, the mechanisms through which local governments...