Airbnb features a review system in which guests and hosts can rate each other after a stay. Hosts and guests are unable to see reviews until both have submitted a review or until the window to review has closed, a system which aims to improve accuracy and objectivity by removing fears that users will receive a negative review in retaliation if they write one. However, the truthfulness and impartiality of reviews may be adversely affected by concerns of future stays because prospective hosts may refuse to host a user who generally leaves negative reviews. In addition, the company's policy requires users to forego anonymity, which may also detract from users' willingness to leave negative reviews. These factors may damage the objectivity of the review system.[126][127][128][129]

Airbnb is criticized for its impact on housing affordability, sparking protests,[133][134][135] and for its related data management.[136][137] As of the beginning of 2018, several studies found that rental prices in many areas increased due to Airbnb, as landlords kept properties off the longer-term rental market and instead get higher rental rates for short-term housing via Airbnb.[138] Landlords have been accused of illegally evicting tenants in order to convert properties into Airbnb listings.[139] In San Francisco, the issue led to protests in November 2015.[140]
Hosts provide prices and other details for their rental or event listings. Pricing is determined by the host, with recommendations from Airbnb.[7] Hosts may be required to report income and pay income taxes on income received via Airbnb. In the US, homeowners who refinance their mortgages with some agencies are able to count income they earn from Airbnb rentals on their refinance loan applications.[8]
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