Answer: political economy of the media
Explanation: Most broadcasting companies are privately owned I the United States and the motive behind establishing a media house is partly if not wholly for revenue generation or profit making. As such advertising provides a perfect at firm to make enough profit especially political campaigns and promotions. This introduces a sort of bias which is due to the fact that the media houses are not run by charity amor free. Therefore, media houses tends to be more inclined in support and favor of their sponsors and owners.
