Editing Broadcasting (section)

==Economic models==
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There are several means of providing financial support for continuous broadcasting:
* [[Commercial broadcasting]]: for-profit, usually privately owned stations, channels, networks, or services providing programming to the public, supported by the sale of air time to advertisers for [[radio advertisement|radio]] or [[television advertisement]]s during or in breaks between programs, often in combination with cable or [[pay cable]] subscription fees.
* [[Public broadcasting]]: usually [[non-profit]], publicly owned stations or networks supported by license fees, government funds, grants from foundations, corporate [[underwriting]], audience memberships, contributions or a combination of these.
* Community broadcasting: a form of [[mass media]] in which a [[television station]], or a [[radio station]], is owned, operated or [[broadcast programming|programmed]], by a community group to provide programs of local interest known as [[local programming]]. Community stations are most commonly operated by [[non-profit group]]s or [[cooperatives]]; however, in some cases they may be operated by a local [[college]] or [[university]], a [[cable company]] or a municipal government.
* Internet Webcast: the audience pays to recharge and buy virtual gifts for the anchor, and the platform converts the gifts into virtual currency. The anchor withdraws the virtual currency, which is drawn by the platform. If the anchor belongs to a trade union, it will be settled by the trade union and the live broadcasting platform, and the anchor will get the salary and part of the bonus. This is the most common profit model of live broadcast products.

Broadcasters may rely on a combination of these [[business model]]s. For example, in the United States, [[National Public Radio]] (NPR) and the [[Public Broadcasting Service]] (PBS, television)  supplement public membership subscriptions and grants with funding from the [[Corporation for Public Broadcasting]] (CPB), which is allocated bi-annually by Congress. US public broadcasting corporate and charitable grants are generally given in consideration of [[underwriting spot]]s which differ from commercial advertisements in that they are governed by specific [[FCC]] restrictions, which prohibit the advocacy of a product or a "call to action".