Levinson, Arik <br/><br/>
How much energy do building energy codes really save? :  Evidence from California / 
Arik Levinson 
 - Cambridge  NBER  2014 
 - 42p 
 - NBER Working Paper ;  20797 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 20797<br/>E13979.pdf