Drat, I hat-tipped Cowen instead of David Henderson of Econlog, in an example of the Matthew Effect. http://en.wikipedia.org/wiki/Matthew_effect_(sociology)#Sociology_of_science
Publicized it, I said, not discovered it. Cowen has a huge readership, and pretty much anyone who ever hears of this will do so because Cowen publicized it; and Cowen knows this, so the honesty argument is still true.
ETA: The table linked by Landsburg has been called into serious question by Evan Soltas [H.T. CronoDAS]. I edited the post to leave only the table to provide context for the comment discussion of its status.
Economist Steve Landsburg has a post [H.T. David Henderson] about the supposed stagnation of median wages in the United States in recent decades. In the linked table median wages have risen for: