For starters, consider the fact that the degree of market failure varies from region to region: thedifference between the price of water and its true marginal cost must be higher in dry places than wet ones.
"This is a major step forward, giving us the opportunity to make a big difference to the city and theregion, " said Brighton and Hove City Council's Green Party leader Jason Kitcat.
Last but not least, by improving the quality of their relationship with citizens, they can make a big difference to the attractiveness of their country, region or city as a place to live and work.