1. The increase in congestion on Britain's Road's
... be affected, which explains why the marginal cost and marginal social cost differ. This can be shown by the graph that shows negative externalities in consumption. This diagram shows, if there are negative externalities then the marginal social benefit will be less than the marginal private benefit. The best ... no close substitute. Motorists can reduce their usage of their car, and perhaps drive fewer miles, but they can not fill their ''tank'' with water. So if there high taxes on petrol then motorists will want to switch to more fuel efficient cars like diesels and LPG (liquefied petr...
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