American Economic Journal : Applied Economics 

 - Nashville  American Economic Association  2009 
<br/><br/><label>ISSN: </label>6215 
<br/><br/><label>Standard No.: </label>
<br/><br/><label>Standard Tech. Report. No.: </label>
<br/><br/><label>LC Class. No.: </label>01AEJAE      
<br/><br/><label>GPO Item No.: </label>1006215