Many developing countries around the world apply progressive water tariffs, often structured in the form of discretely increasing block tariffs (IBTs). These tariffs have been criticized in the welfare economic literature due to their perceived inefficiency: many of the prices charged under IBTs...

Water use is one of the most critical sustainability issues of the mining sector. It is important in each stage of the mining life cycle. The water use of the mine can introduce significant ecological changes. It can compete with the water use of households living in the community and other...