Athey, Susan <br/><br/>
The Impact of the internet on advertising markets for news media / 
Susan Athey, Emilio Calvano and Joshua Gans 
 - Cambridge  NBER  2013 
 - 55p 
 - NBER Working Paper ;  19419 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 19419<br/>E10571.pdf