The study speaks to the larger question of how do policy makers and economists measure this new emerging part of the economy, a new area that creates new value from an already existing asset?

FORBES: Airbnb Had $56 Million Impact On San Francisco: Study

Leaders value innovation and new ideas, but the leaders themselves also seem to recognize they are part of the larger world.

FORBES: In Defense Of Tech's Treatment Of Women

Sheffield Chamber of Commerce said all businesses protected by the new flood defences would become part of the BID, and would have to make payments based on their rateable value over a period of five years.

BBC: Sheffield businesses asked to help pay for flood defences