For the classification of industries within a certain country on the basis of their comparative trade advantage or trade disadvantage it is common practise to use the Balassa index. If the value of this index exceeds 1, the concomitant industry is thought to have a comparative trade advantage....

Mullainathan and Shleifer (2002) argue that there are two types of media bias. One bias, called ideology, reflects a news outlet's desire to affect reader opinions in a particular direction. The second bias, referred to as spin, reflects the outlet's attempt to simply create a memorable story....