This volume is based on a review of the evolving groundwater situation during the 1990s in a substantial number of developing nations. It aims to raise awareness of the key linkages between groundwater and rural development and to identify appropriate technical and institutional approaches for...

This paper argues that despite 50 years of empirical research, the phenomenon of social contagion is still poorly understood. Social contagion research has produced an eclectic, largely confused and jumbled body of evidence that lacks any comprehensive organising principle or conceptual...