Couldn't this be just a side effect of what he advocated a few days ago in his WSJ commentary? [1]
By putting a lot of pressure on measuring things, people use the data that is easy accessible/comparable. Consequently they put a lot of effort into constructing the argument why these factors are the most important ones. Getting unskewed data is incredibly hard, especially when there is so much to gain from subtly manipulating the data.
Comments
Couldn't this be just a side effect of what he advocated a few days ago in his WSJ commentary? [1]
By putting a lot of pressure on measuring things, people use the data that is easy accessible/comparable. Consequently they put a lot of effort into constructing the argument why these factors are the most important ones. Getting unskewed data is incredibly hard, especially when there is so much to gain from subtly manipulating the data.
[1]http://online.wsj.com/article/SB1000142412788732353980457826...