The economic impact of airbnb on Paris & San Francisco

"Highlights from these first two reports cover just one year and include the following.
Airbnb produces significant economy benefits
Airbnb generated approximately $240 million in economic activity in Paris
Airbnb generated approximately $56 million in economic activity in San Francisco
Guests on Airbnb stay longer and spend more
The average Paris hotel guest visits for 2.3 nights and spends $584 during their stay. The average Paris Airbnb guest, on the other hand, visits for 5.2 nights and spends $1,151 during their stay.
The average San Francisco hotel guest visits for 3.5 days and spends $840. The average San Francisco Airbnb guest visits for 5.5 days and spends $1,045.
Airbnb hosts rent out the homes they live in
83 percent of Airbnb hosts in Paris use Airbnb to rent the home they live in.
90 percent of Airbnb hosts in San Francisco use Airbnb to rent the home they live in.\
Airbnb hosts use their income to make ends meet
56 percent of Airbnb hosts in San Francisco said they use their Airbnb income to help pay their mortgage or rent.
46 percent of Airbnb hosts in Paris said they use income for essential living expenses such as rent and mortgage payments.
Airbnb brings tourists to new neighborhoods
72 percent of Airbnb properties in San Francisco are located outside the central hotel district.
70 percent of Airbnb properties in Paris are located outside the main hotel districts.
The San Francisco study was conducted in 2012 and the Paris study was conducted in 2013. The Airbnb community has only gotten bigger since the studies were conducted, so we expect these numbers will increase as Airbnb continues to have a positive economic impact in cities around the world"
Source:  airbnb Public Policy blog, 12th June 2013
Press release - San Francisco Study
Press release - Paris Study