Page "Local currency" Paragraph 30

# Some forms of complementary currency can promote fuller utilization of resources over a much wider geographic area and help bridge the barriers imposed by distance.

The Fureai kippu system in Japan issues credits in exchange for assistance to senior citizens.

Family members living far from their parents can earn credits by offering assistance to the elderly in their local community.

The credits can then be transferred to their parents and redeemed by them for local assistance.

Airline frequent flyer miles are a form of complementary currency that promotes customer-loyalty in exchange for free travel.

The airlines offer most of the coupons for seats on less heavily sold flights where some seats normally go empty, thus providing a benefit to customers at relatively low cost to the airline.