Now we have the problem that some factors cause high external costs which the public has to pay.
Above all, the water companies may pass on to their customers any new costs caused by changes in environmental regulations.
Obesity is a national epidemic, causing higher medical costs and a lower quality of life.
It's the grey areas that cause more problems and higher costs than just leaving it regulated by national laws.
Indeed, giving insurance to currently uncovered groups may cause costs to spiral up faster.
However, construction never started due to rising costs caused by increasing prices for steel and other materials.
The buyer also bears any extra costs caused by events that happen after delivery.
The report says the delays caused increased costs for aid agencies and thousands of deaths.
The missile attacks and the added military costs caused by the gulf war are costing Israel at least $3 billion, officials say.
However, new technology could help deal with the busy periods, without causing costs to skyrocket.