We develop a simple theoretical model of hygiene levels in close communities. We model a close community as one where typically social costs are imposed on the individuals if they deviate from the community norms. This has a network effect as the utility derived by any individual in a close...

This book, an adaptation of Nancy R. Lee and Philip Kotler's highly successful book Social Marketing: Influencing Behaviors for Good, 4th Edition, is structured around the ten-step marketing planning process that trains and encourages those in positions responsible for influencing public...