Over the last decade, research from many different countries has demonstrated the important role played by teachers in increasing students' learning and improving their academic performance. Studies from countries as different as the US and Indonesia have shown the enormous benefits that follow...

How to finance the infrastructure and service of bulk water supply, and how to use pricing to achieve efficient allocation and use of water as a resource are the central issues that emerge from discussions about bulk water pricing. Efficiency will lead to allocating water resources better,...