Mullainathan, Sendhil; Shleifer, Andrei - 2003
There are two different types of media bias. One bias, which we refer to as ideology, reflects a news outlet's desire … to affect reader opinions in a particular direction. The second bias, which we refer to as spin, reflects the outlet …. Whereas competition can eliminate the effect of ideological bias, it actually exaggerates the incentive to spin stories …
