Berry, Steven <br/><br/>
Optimal product variety in radio markets / 
Steven Berry, Alon Eizenberg and Joel Waldfogel 
 - Cambridge  NBER  2015 
 - 61p 
 - NBER Working Paper ;  21621 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 21621<br/>E15706.pdf