option value
the value placed on private willingness to pay for maintaining or preserving a public asset or service even if there is little or no likelihood of the individual actually ever using it
en-US/ˈɑpʃən ˈvælju/
en-GB/ˈɒpʃən ˈvæljuː/
the value placed on private willingness to pay for maintaining or preserving a public asset or service even if there is little or no likelihood of the individual actually ever using it