Because of a growing population and industrialization, total pollution levels in many water-courses around the world have increased considerably for hundreds, if not thousands, of years. In the last few decades, however, the trend of increasing water pollution has been turned in many...

We estimate willingness to pay (WTP) for better quality of tap water on a unique cross-section sample from 10 OECD countries. On the pooled sample, households are willing to pay 7.5% of the median annual water bill to improve the tap water quality. The highest relative WTP for better tap water...